{"title":"Labor Day Sale","description":null,"products":[{"product_id":"mercedes-benz-amg-53-series-renntech-power-module-494-hp-445-lb-ft-m256-3-0l-i6-turbo-eq-boost","title":"Mercedes-Benz AMG 53 Series | RENNtech Power Module | 494 HP\/445 LB-FT | M256 | 3.0L I6 Turbo EQ Boost","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Power Module  | M256 AMG 53 | 3.0L I6 Turbo EQ Boost | Up to 494 HP \/ 480 LB-FT | Gains: +59 HP \u0026amp; +97 LB-FT\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RENNtech Power Module (RPM) ECU tune delivers significant horsepower and torque gains across the entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, and modifying boost mapping for turbo-chargers the\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eMercedes-AMG 53 M256 3.0L I6 Turbo EQ Boos\u003c\/em\u003et -engine gains up to +59 HP and +97 LB-FT, based on Dyno measured power figures.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe RENNtech Power Module is contained in a CNC machined 6061 aluminum enclosure with pre-labeled wires and connectors. The RPM module comes with a bypass that can be installed in place of the module to quickly turn the vehicle back to stock performance. The harness can be uninstalled to return the vehicle to stock completely. Through our 30+ years of ECU tuning experience, countless hours of in-house research, development and long-term testing ensure that our ECU upgrade offers the best in quality, performance and reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003ePower:\u003c\/strong\u003e\u003cbr\u003eStock: 435 HPand 383 TQ\u003cbr\u003eRPM Tuned: 494 HP and 480 TQ\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment: \u003c\/strong\u003e\u003cbr\u003eThe RENNtech Power Module for Mercedes-AMG 53 M256 -engines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eE 53 AMG\u003c\/strong\u003e (W213 \/ S213 -chassis)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLS 53 AMG\u003c\/strong\u003e (C257 -chassis)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGT 53 AMG\u003c\/strong\u003e (X290 -chassis)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGLE 53 AMG\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(V167 -chassis)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProfessional installation is recommended. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cem\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eBuyer Beware:\u003c\/strong\u003e There have been reported failures the stock Turbo’s in the Mercedes-AMG 53 series M256 -engine. Increasing the power output without upgrading the OEM turbo charger may increase the chance of Turbo -failure. See \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"index.php\/products\/mb\/cls-class\/cls-257-2019\/cls-53-amg\/rt-stage-i-m256-257-detail\" style=\"color: #000000;\"\u003eSTAGE 1\u003c\/a\u003e \u003c\/strong\u003e\u003c\/span\u003e and \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"index.php\/products\/mb\/cls-class\/cls-257-2019\/cls-53-amg\/rt-stage-ii-m256-257-detail\" style=\"color: #000000; text-decoration: underline;\"\u003eSTAGE 2\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e Turbo Upgrade for additional details.\u003c\/span\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46576214311168,"sku":"54.256.RPM.53","price":2780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/RT-Piggyback-56_1.jpg?v=1744292444"},{"product_id":"renntech-hand-held-suspension-module-bluetooth","title":"RENNtech | Hand-Held Suspension Module Bluetooth","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Bluetooth HSM | Digital Suspension Lowering Module for vehicles equipped with Airmatic \/ Magic Body Control Suspension\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eNOTE: HSM integrates with M.B. COMMAND system up until Model Year 2020. For later model years (2021 – 2023)  RT App is required.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RENNtech Hand-Held Suspension Module (HSM) is designed to work with the Mercedes Airmatic Suspension. The unit allows the user to have full control over all four corners of the vehicle’s suspension and adjust in 1mm increments through RENNtech Mobile app and Blue Tooth Connection.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe HSM comes pre-loaded with a RENNtech lowering setting. User can load their custom setting onto the HSM to set the vehicle to their preferred ride height.\u003c\/p\u003e\n\u003cp\u003eThe desired lowering setting will be loaded onto the vehicle via the ODB2 port in the footwell of the car. After plugging the HSM into the ODB2 port, the user can set the desired ride height using RENNtech App on their Apple and\/or Android phone.\u003c\/p\u003e\n\u003cp\u003eAfter a few seconds, the new setting is uploaded and the car will adjust to the new height. The factory setting will always be stored on the HSM and the user can set the vehicle back to the factory setting. Once the settings are loaded, simply unplug and store for future use.\u003c\/p\u003e\n\u003cp\u003eWith the newest update to our HSM, the user is now able to adjust the suspension settings directly on your mobile phone. After plugging the HSM into the OBD2 port, the RENNtech App will automatically connect to the Module. After changing and saving the settings, the module can be unplugged and the screen goes back to the regular Mercedes menu. No tools, laptop or tablet needed. Full Plug'n'Play Solution.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eLower or Raise your car to your prefered ride height.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAdjusted setting loaded onto car via Bluetooth\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInstallation in less than 10 seconds\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWith the first use, the HSM will be 'married' to the vehicle and can only be used with this vehicle\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cspan\u003eOptimized for Apple iOS. Android support limited.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eRENNtech HSM | Hand-Held Suspension Module Specifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustment increments: 1mm\u003c\/li\u003e\n\u003cli\u003eMaximum Lowering: Limited only by vehicle\u003c\/li\u003e\n\u003cli\u003eSize: 73mm x 44mm x 24mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFitment:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e      *UP TO 2022*\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eW205 - C-Class\n\u003cul\u003e\n\u003cli\u003eC350e Plug-In Hybrid\u003c\/li\u003e\n\u003cli\u003eC400 (Air Body Control Optional)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eC218 - CLS Coupe\n\u003cul\u003e\n\u003cli\u003eCLS 550\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eC257 - CLS Coupe\n\u003cul\u003e\n\u003cli\u003eCLS450 (Air Body Control Optional)\u003c\/li\u003e\n\u003cli\u003eCLS 53 AMG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eW\/S212 - E-Class\n\u003cul\u003e\n\u003cli\u003eE550 BiTurbo\u003c\/li\u003e\n\u003cli\u003eE63 AMG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eW\/S213 E-Class Sedan and Wagon\n\u003cul\u003e\n\u003cli\u003eE300 (Air Body Control Optional)\u003c\/li\u003e\n\u003cli\u003eE350 (Air Body Control Optional)\u003c\/li\u003e\n\u003cli\u003eE400 (Air Body Control Optional)\u003c\/li\u003e\n\u003cli\u003eE450 (Air Body Control Optional)\u003c\/li\u003e\n\u003cli\u003eE43 AMG\u003c\/li\u003e\n\u003cli\u003eE53 AMG\u003c\/li\u003e\n\u003cli\u003eE63 AMG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eC238 - E-Class Coupe\n\u003cul\u003e\n\u003cli\u003eE400 (Air Body Control Optional)\u003c\/li\u003e\n\u003cli\u003eE450 (Airmatic Optional)\u003c\/li\u003e\n\u003cli\u003eE53 AMG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eW222 - S-Class Sedan\n\u003cul\u003e\n\u003cli\u003eS450 (Air Body Control Optional)\u003c\/li\u003e\n\u003cli\u003eS550\u003c\/li\u003e\n\u003cli\u003eS560 (Air Body Control Optional)\u003c\/li\u003e\n\u003cli\u003eS600\u003c\/li\u003e\n\u003cli\u003eS63 AMG\u003c\/li\u003e\n\u003cli\u003eS65 AMG\u003c\/li\u003e\n\u003cli\u003eS500 Maybach\u003c\/li\u003e\n\u003cli\u003eS560 Maybach\u003c\/li\u003e\n\u003cli\u003eS600 Maybach\u003c\/li\u003e\n\u003cli\u003eS650 Maybach\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eC217 - S-Class Coupe\n\u003cul\u003e\n\u003cli\u003eS550\u003c\/li\u003e\n\u003cli\u003eS560\u003c\/li\u003e\n\u003cli\u003eS63 AMG\u003c\/li\u003e\n\u003cli\u003eS65 AMG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eX290 - AMG GT 4-Door Coupe\n\u003cul\u003e\n\u003cli\u003eAMG GT 43\u003c\/li\u003e\n\u003cli\u003eAMG GT 53\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eR231 - SL-CLass\n\u003cul\u003e\n\u003cli\u003eSL550 (ABC Optional)\u003c\/li\u003e\n\u003cli\u003eSL63 AMG  (ABC Optional)\u003c\/li\u003e\n\u003cli\u003eSL65 AMG  (ABC Optional)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46589562716416,"sku":"32.971.8001","price":1495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/Bluetooth-HSM_1.jpg?v=1744743142"},{"product_id":"renntech-evm-exhaust-valve-module-mercedes-benz","title":"RENNtech EVM | Exhaust Valve Module | Mercedes Benz","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18pt;\"\u003e\u003cstrong\u003eEVM - Exhaust Valve Module (Remote Controlled)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e VIN NUMBER REQUIRED UPON ORDER \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNOT SO FUN FACT:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your Mercedes-AMG is equipped with factory exhaust valves, with or without a center console button to open or close them, factory settings do \u003cspan style=\"text-decoration: underline;\"\u003eNOT\u003c\/span\u003e allow the flaps to fully open unless certain speed and\/or RPM have been reached. For example, while cruising the exhaust flaps will never fully open!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTHE EVM SOLUTION:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech’s Exhaust Valve Module, (EVM) gives you complete control over the exhaust sound of your exhaust regardless of speed, RPM or driving mode! The Exhaust Valve Module allows you to fully open the exhaust valves of the AMG Sport Exhaust by pressing \u003cem\u003eButton 1\u003c\/em\u003e on the remote control, and to return to factory settings by pressing \u003cem\u003eButton 2\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp\u003eThe RENNtech Exhaust Valve Module is made in Germany.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAdvantages of RENNtech’s EVM:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eActivation completely independent regardless of drive mode\n\u003cul\u003e\n\u003cli\u003eOverride your cars factory exhaust flap setting with the push of a button.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eEVM does not engage with CAN-Bus\n\u003cul\u003e\n\u003cli\u003eNo interference with any control units.\u003c\/li\u003e\n\u003cli\u003eSoftware updates do not interfere with the functionality of the EVM exhaust valve module.\u003c\/li\u003e\n\u003cli\u003eNo cutting wires, no damage to factory cables, fully reversible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eIncluded:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Exhaust Valve Module\u003c\/li\u003e\n\u003cli\u003e2 x Remote Controls (\u003cem\u003eButton 1\u003c\/em\u003e fully open, \u003cem\u003eButton 2\u003c\/em\u003e back to factory)\u003c\/li\u003e\n\u003cli\u003eWiring harness (model specific)\u003c\/li\u003e\n\u003cli\u003eInstallation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFitment: \u003cspan style=\"color: #ff0000; text-decoration: underline;\"\u003eONLY for vehicles\u003cstrong\u003e equipped with optional performance exhaust factory valves\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAMG GT 55 \u0026amp; 63 MY 2023+ (C192 -chassis)\u003c\/li\u003e\n\u003cli\u003eC257 - CLS Coupe\n\u003cul\u003e\n\u003cli\u003eCLS450\u003c\/li\u003e\n\u003cli\u003eCLS 53 AMG EQ-Boost | MY2019+ | *Needs to be equipped with optional performance exhaust\/factory valves*\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eW213 - E-Class Sedan\n\u003cul\u003e\n\u003cli\u003eE400 BiTurbo Sedan | MY2017-18\u003c\/li\u003e\n\u003cli\u003eE450 BiTurbo Sedan | MY2019\u003c\/li\u003e\n\u003cli\u003eE43 AMG Sedan | MY2017-18\u003c\/li\u003e\n\u003cli\u003eE53 AMG Sedan | MY2019+ | *Needs to be equipped with optional performance exhaust\/factory valves*\u003c\/li\u003e\n\u003cli\u003eE63 AMG 4-MATIC+ Sedan | MY2018+\u003c\/li\u003e\n\u003cli\u003eE63 S AMG 4-MATIC+ Sedan | MY2018+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eS213 - E-Class Wagon\n\u003cul\u003e\n\u003cli\u003eE400 BiTurbo Wagon | MY2017-18\u003c\/li\u003e\n\u003cli\u003eE450 BiTurbo Wagon | MY2019\u003c\/li\u003e\n\u003cli\u003eE43 AMG Wagon | MY2017-18\u003c\/li\u003e\n\u003cli\u003eE53 AMG Wagon | MY2019+ | *Needs to be equipped with optional performance exhaust\/factory valves*\u003c\/li\u003e\n\u003cli\u003eE63 AMG 4-MATIC+ Wagon | MY2018+\u003c\/li\u003e\n\u003cli\u003eE63 S AMG 4-MATIC+ Wagon | MY2018+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eC238 - E-Class Coupe\n\u003cul\u003e\n\u003cli\u003eE400 BiTurbo Coupe | MY2017+\u003c\/li\u003e\n\u003cli\u003eE450 BiTurbo Coupe | MY2017+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eX290 - AMG GT 4-Door Coupe\n\u003cul\u003e\n\u003cli\u003eAMG GT 43 4-Door Coupe | MY2019+ | *Needs to be equipped with optional performance exhaust\/factory valves*\u003c\/li\u003e\n\u003cli\u003eAMG GT 53 4-Door Coupe | MY2019+ | *Needs to be equipped with optional performance exhaust\/factory valves*\u003c\/li\u003e\n\u003cli\u003eAMG GT 63 4-Door Coupe | MY2019+\u003c\/li\u003e\n\u003cli\u003eAMG GT 63 S 4-Door Coupe | MY2019+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eW222 - S-Class Sedan\n\u003cul\u003e\n\u003cli\u003eS560 Sedan | MY2018-2020\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL R232\u003c\/li\u003e\n\u003cli\u003eS63 AMG Sedan | MY2018-2020\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eW223 - S-Class Sedan\n\u003cul\u003e\n\u003cli\u003eS580 | MY2021+\u003c\/li\u003e\n\u003cli\u003eS63 E Performance | MY2021+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eC217 - S-Class Coupe\n\u003cul\u003e\n\u003cli\u003eS560 Coupe | MY2018+\u003c\/li\u003e\n\u003cli\u003eS63 AMG Coupe | MY2018+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eX253 - GLC SUV\n\u003cul\u003e\n\u003cli\u003eGLC63 AMG SUV | MY2020+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eC253 - GLC Coupe\n\u003cul\u003e\n\u003cli\u003eGLC63 AMG Coupe | MY2020+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eW167 - GLE SUV\n\u003cul\u003e\n\u003cli\u003eGLE63 S AMG SUV | MY2021+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eC292 - GLE\n\u003cul\u003e\n\u003cli\u003eGLE63 S AMG Coupe | MY2021+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eX167 - GLS SUV\n\u003cul\u003e\n\u003cli\u003eGLS 580 \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eASTON MARTIN\n\u003cul\u003e\n\u003cli\u003eDBX\u003c\/li\u003e\n\u003cli\u003eDBX Straight Six\u003c\/li\u003e\n\u003cli\u003eDBX707\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e*Before Placing Order, Confirm If Your Car Is Equipped with Factory Exhaust Valves* \u003c\/strong\u003e-\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e EVM will not work on vehicles without factory exhaust valves.\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe RENNtech EVM is placed in the trunk, no hard wiring necessary.\u003c\/li\u003e\n\u003cli\u003eFor extra convenience, the EVM is programmed so once the exhaust valves stay fully open in Position 1 (Button 1). Valves will stay open even when the car is turned off and restarted. The EVM will ONLY revert to factory setting by pressing Button 2.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe height=\"315\" width=\"560\" src=\"https:\/\/www.youtube.com\/embed\/qvUCtMww78k\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe height=\"315\" width=\"560\" src=\"https:\/\/www.youtube.com\/embed\/mrrhjU19pfQ\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46594935783680,"sku":"49.290.906.40","price":780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/EVM-2020-H_1_530ca957-eb89-4242-bd89-89c75b91ec11.jpg?v=1770655257"},{"product_id":"renntech-sprinter-van-ecu-upgrade-3-0l-v6-diesel-my2007-22-om642-258hp-398lb-ft","title":"RENNtech Sprinter VAN ECU Upgrade | 3.0L V6 Diesel | MY2007-22 | OM642 | 258HP \/ 398LB-FT","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (Hand Held Tuner) allows you the unlimited ability to switch between tuned and stock ECU programming without ECU removal!\u003c\/p\u003e\n\u003cp\u003eRENNtech’s proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Sprinter Vans offers significant gains in horsepower and torque across the entire power band maximizing the Sprinters ability to transport large cargo and tow large loads without degrading performance. \u003cbr\u003e\u003cbr\u003eTuning is available for Mercedes Sprinter, Freightliner, Dodge and Airstream Vans equipped with the 3.0L OM642 V6 Diesel Engine.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAvailability:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMY2007 - 2020\n\u003cul\u003e\n\u003cli\u003eTuned via RENNtech HHT | Hand-Held Tuner\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMercedes-Benz Vans Sprinter (MY2010 - 2021 | OM642 | 3.0L V6 Turbo Diesel) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cb\u003e188  \u003c\/b\u003eHP @ 3,500rpm; \u003cstrong\u003e325\u003c\/strong\u003e LB-FT @ 1,400-2,400rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e189\u003c\/strong\u003e HP @ 3,400rpm; \u003cb\u003e294\u003c\/b\u003e LB-FT @ 3,750rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003eNote:  HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003cem\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eMercedes-Benz Vans Sprinter (MY2010 - 2021 | OM642 | 3.0L V6 Turbo Diesel)\u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e258\u003c\/strong\u003e HP\u003c\/span\u003e @ 3,00rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e398\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 2,850rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              217 whp @ 3,400rpm; 334 wtq @ 2,850rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on Sprinter vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed explanation on crank HP, wheel HP, drivetrain loss, etc. please \u003ca rel=\"noopener noreferrer\" href=\"index.php\/crank-wheel-hp\" target=\"_blank\"\u003eclick here\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"style-scope ytd-watch-metadata\"\u003eDrag Race: Stock Sprinter Vs RENNtech Engine Tune\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"container-iframe\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/xOalgAyrD5w\" class=\"responsive-iframe\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46597252841728,"sku":"54.906.OM642","price":1460.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-x253-glc-43-amg-suv-416-hp-460-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU+ Upgrade | X253 | GLC 43 AMG | SUV | 416 HP \/ 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Plus Upgrade for X253 - GLC 43 AMG SUV.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eThe ECU Plus Upgrade brings the GLC 43 AMG SUV up to 416 HP and 460 LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +41 HP and +62 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Plus Upgrade \u003cspan\u003ethe X253 - GLC 43 AMG SUV gains up to \u003c\/span\u003e\u003cstrong\u003e+41 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+62 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the X253 - GLC 43 AMG SUV is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e460\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eDue to fuel quality problems, the following states can not be supplied with the full power Upgrade: AZ, CA, CO, LA, NV, TX, WA, Canada. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG SUV (X253 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 2,000-4,200 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG SUV (X253 | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e\u003cstrong\u003e416\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e460\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46605069713664,"sku":"54.253X.GLC43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-c253-glc-43-amg-coupe-416-hp-460-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU+ Upgrade | C253 | GLC 43 AMG | Coupe | 416 HP \/ 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eThe  RENNtech ECU Plus Upgrade brings the GLC 43 AMG SUV up to 416 HP and 460 LB-FT | Gains: +41 HP and +62 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Plus Upgrade \u003cspan\u003ethe C253 - GLC 43 AMG Coupe gains up to \u003c\/span\u003e\u003cstrong\u003e+41 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+62 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the C253 - GLC 43 AMG Coupe is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e460\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eDue to fuel quality problems, the following states can not be supplied with the full power Upgrade: AZ, CA, CO, LA, NV, TX, WA, Canada. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG Coupe (C253 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 2,000-4,200 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG Coupe (C253 | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e\u003cstrong\u003e416\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e460\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46605089538304,"sku":"54.253C.GLC43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-s213-e63-amg-s-4matic-773-hp-778lb-ft-4-0l-v8-biturbo-m177-my2018","title":"RENNtech ECU+ Upgrade | S213 | E63 AMG (S) 4MATIC+ | 773 HP\/778LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2023","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 773 HP \/ 778 LB-FT | Gains: +82 HP \u0026amp; +84 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith the proprietary RENNtech ECU Tuning the W213 - E63 AMG S 4MATIC+ gains up to \u003cstrong\u003e+82 HP\u003c\/strong\u003e and \u003cstrong\u003e+84LB-FT\u003c\/strong\u003e,\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E63 AMG S 4MATIC+ is \u003cstrong\u003e773 HP\u003c\/strong\u003e and \u003cstrong\u003e778 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\" alt=\"\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eW213 - E63 AMG S Wagon\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.08 sec\u003c\/td\u003e\n\u003ctd\u003e7.29 sec\u003c\/td\u003e\n\u003ctd\u003e9.18 sec\u003c\/td\u003e\n\u003ctd\u003e11.25 sec\u003c\/td\u003e\n\u003ctd\u003e124.85 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eW213 - E63 AMG S Wagon\u003c\/td\u003e\n\u003ctd\u003eRt ECU Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e2.8 sec\u003c\/td\u003e\n\u003ctd\u003e6.76 sec\u003c\/td\u003e\n\u003ctd\u003e8.32 sec\u003c\/td\u003e\n\u003ctd\u003e10.95 sec\u003c\/td\u003e\n\u003ctd\u003e128.71 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE63 AMG S 4MATIC+ (MY2018+ | S213 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e6\u003c\/strong\u003e\u003cstrong\u003e03\u003c\/strong\u003e HP @ 5,750-6,500rpm; \u003cstrong\u003e627\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                \u003cstrong\u003e685\u003c\/strong\u003e HP @ 5,750-6,500rpm; \u003cstrong\u003e667\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e691\u003c\/strong\u003e HP @ 6,200rpm; \u003cb\u003e694\u003c\/b\u003e LB-FT @ 3,400rpm\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE63 AMG S 4MATIC+ (MY2018+ | S213 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e773\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,600rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e778\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              665 whp @ 5,600rpm; 668 wtq @ 4,400rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 18pt;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607137014016,"sku":"54.213S.E63BT","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-w463-g63-amg-731-hp-786-lb-ft-4-0l-v8-biturbo-m177-my2018","title":"RENNtech ECU+ Upgrade | W463 | G63 AMG | 731 HP\/786 LB-FT | 4.0L V8 BiTurbo | M177 | MY2019-2024","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 731 HP \/ 786 LB-FT | Gains: +88 HP \u0026amp; +65 LB-FT\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe W463 - G63 AMG gains up to \u003c\/span\u003e\u003cstrong\u003e+88 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+66 \u003c\/strong\u003e\u003cstrong\u003eLB-FT (+75 WHP and +56 WTQ)\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the G63 AMG is \u003cstrong\u003e731 HP\u003c\/strong\u003e and \u003cstrong\u003e786 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on SUV's.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eG63 AMG (MY2019+ | W463 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(peak.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cb\u003e577 \u003c\/b\u003eHP @ 6,000rpm; \u003cstrong\u003e627\u003c\/strong\u003e LB-FT @ 2,500-3,500rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cb\u003e642\u003c\/b\u003e HP @ 6,050rpm; \u003cb\u003e720\u003c\/b\u003e LB-FT @ 3,250rpm\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eG63 AMG (MY2019+ | W463 | M177 | 4.0L V8 BiTurbo)\u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e731 \u003c\/b\u003eHP\u003c\/span\u003e @ 6,100rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e786\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 3,600rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              614 whp @ 6,100rpm; 660 wtq @ 3,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on SUV's vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 18pt;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607212445952,"sku":"54.463A.G63BT.FL","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-x253-glc63-amg-s-4matic-suv-601-hp-644lb-ft-4-0l-v8-biturbo-m177-my2016","title":"RENNtech ECU+ Upgrade | X253 | GLC63 AMG (S) 4MATIC+ SUV | 601 HP\/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | GLC 63 AMG S and non-S | Up to 601 HP \/ 644 LB-FT | Gains: +75 HP \u0026amp; +113 LB-FT\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe X253 - GLC63 AMG 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+75 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+113\u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GLC63 and GLC63 S AMG 4MATIC+ is \u003cstrong\u003e601 HP\u003c\/strong\u003e and \u003cstrong\u003e644 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\" alt=\"\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRENNtech stock power numbers are measured with the GLC 63 AMG. Tune is compatible with GLC 63 AMG and GLC 63 S AMG. Maximum power numbers are for both, S and non-S models.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,750rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.74 sec\u003c\/td\u003e\n\u003ctd\u003e9.46 sec\u003c\/td\u003e\n\u003ctd\u003e13.26 sec\u003c\/td\u003e\n\u003ctd\u003e12.21 sec\u003c\/td\u003e\n\u003ctd\u003e112.82 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_alt\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.45 sec\u003c\/td\u003e\n\u003ctd\u003e8.92 sec\u003c\/td\u003e\n\u003ctd\u003e12.36 sec\u003c\/td\u003e\n\u003ctd\u003e11.86 sec\u003c\/td\u003e\n\u003ctd\u003e115.59 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU+ Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.25 sec\u003c\/td\u003e\n\u003ctd\u003e8.27 sec\u003c\/td\u003e\n\u003ctd\u003e12.20 sec\u003c\/td\u003e\n\u003ctd\u003e11.67 sec\u003c\/td\u003e\n\u003ctd\u003e116.73 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cem\u003e*If not otherwise noted, performed on non-prepped asphalt and with OEM, Street-Legal and\/or Non-Performance tires. Data measured with Racelogic Performance Box.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ (MY2016+ | X253 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e469\u003c\/strong\u003e HP @ 5,500-6,250rpm; \u003cstrong\u003e479\u003c\/strong\u003e LB-FT @ 1,750-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e526\u003c\/strong\u003e HP @ 6,250rpm; \u003cb\u003e532\u003c\/b\u003e LB-FT @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ \u003cstrong\u003e(MY2016+ | X253 | M177 | 4.0L V8 BiTurbo) \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e601\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,500rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e645\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,600rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              505 whp @ 5,600rpm; 542 wtq @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607606743296,"sku":"54.253X.GLC63BT","price":3280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-c253-glc63-s-amg-4matic-coupe-601-hp-644lb-ft-4-0l-v8-biturbo-m177-my2016","title":"RENNtech ECU+ Upgrade | C253 | GLC63 (S) AMG 4MATIC+ Coupe | 601 HP\/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | GLC 63 AMG S and non-S | Up to 601 HP \/ 644 LB-FT | Gains: +75 HP \u0026amp; +113 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\" lang=\"EN-US\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe C253 - GLC63 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+75 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+113\u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GLC63 and GLC63 S AMG 4MATIC+ is \u003cstrong\u003e601 HP\u003c\/strong\u003e and \u003cstrong\u003e644 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRENNtech stock power numbers are measured with the GLC 63 AMG. Tune is compatible with GLC 63 AMG and GLC 63 S AMG. Maximum power numbers are for both, S and non-S models.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,750rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.74 sec\u003c\/td\u003e\n\u003ctd\u003e9.46 sec\u003c\/td\u003e\n\u003ctd\u003e13.26 sec\u003c\/td\u003e\n\u003ctd\u003e12.21 sec\u003c\/td\u003e\n\u003ctd\u003e112.82 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_alt\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.45 sec\u003c\/td\u003e\n\u003ctd\u003e8.92 sec\u003c\/td\u003e\n\u003ctd\u003e12.36 sec\u003c\/td\u003e\n\u003ctd\u003e11.86 sec\u003c\/td\u003e\n\u003ctd\u003e115.59 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU+ Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.25 sec\u003c\/td\u003e\n\u003ctd\u003e8.27 sec\u003c\/td\u003e\n\u003ctd\u003e12.20 sec\u003c\/td\u003e\n\u003ctd\u003e11.67 sec\u003c\/td\u003e\n\u003ctd\u003e116.73 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cem\u003e*If not otherwise noted, performed on non-prepped asphalt and with OEM, Street-Legal and\/or Non-Performance tires. Data measured with Racelogic Performance Box.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ (MY2016+ | W253 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e469\u003c\/strong\u003e HP @ 5,500-6,250rpm; \u003cstrong\u003e479\u003c\/strong\u003e LB-FT @ 1,750-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e526\u003c\/strong\u003e HP @ 6,250rpm; \u003cb\u003e532\u003c\/b\u003e LB-FT @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ \u003cstrong\u003e(MY2016+ | W253 | M177 | 4.0L V8 BiTurbo\u003cstrong\u003e | S and non-S\u003c\/strong\u003e) \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e601\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,500rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e645\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,600rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              505 whp @ 5,600rpm; 542 wtq @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003ca href=\"images\/stories\/virtuemart\/product\/RENNtech_253-GLC63AMG_ECU+_web.jpg\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" title=\"YouTube video player\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607616966912,"sku":"54.253C.GLC63BT","price":3280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-g550-w463-523-hp-583-lb-ft-4-0l-biturbo-v8-m176-1","title":"RENNtech | ECU+ Upgrade | G550 | W463 | 523 HP \/  583 LB-FT | 4.0L BiTurbo V8 | M176 | MY2019-2024","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | 523HP \/ 583TQ | Gains: +102 HP \/ +128 TQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU+ Tuning \u003cspan\u003ethe W463 - G550 (MY2019+) gains up to \u003c\/span\u003e\u003cstrong\u003e+102 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+128 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU+ Upgrade for the W463 - G 550 is up to \u003cstrong\u003e528 HP \u003c\/strong\u003eand \u003cstrong\u003e558 LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor detailed information about our ECU+ Upgrades feel free to email us at info@renntechmercedes.com or call our sales-team under 561.845.7888.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\" alt=\"\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M176 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. \u003c\/em\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 20% Drivetrain loss on G-Wagon models.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; float: left; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eG 550 (W463) | MY2017+ | 4x4 | M176 | 4.0L V8 BiTurbo) Stock Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:      \u003cstrong\u003e416 \u003c\/strong\u003eHP @ 5,250-5,500rpm; \u003cstrong\u003e450 \u003c\/strong\u003eLB-FT @ 2,250-4,750rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e421 \u003c\/strong\u003eHP @ 5,200rpm; \u003cstrong\u003e455 \u003c\/strong\u003eLB-FT @3,250-4,650rpm\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNote: Mercedes M176 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e \u003cstrong style=\"font-size: 12.16px;\"\u003e \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong style=\"font-size: 12.16px;\"\u003e \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eG 550 (W463 | MY2017+ | 4x4 | M176 | 4.0L V8 BiTurbo) \u003c\/strong\u003eModified Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e523 \u003c\/strong\u003eHP @ 5,150rpm; \u003cstrong\u003e583 \u003c\/strong\u003eLB-FT @ 2,800-3,200rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n                                                    418whp @ 5,150rpm; 466wtq @ 2,800-3,200rpm\u003cbr\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 20% Drivetrain loss on G-Wagon models.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46631116013824,"sku":"54.463A.G550BT.FL","price":2840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-tcu-tune-9g-transmission-upgrade","title":"RENNtech | TCU Tune | 9G Transmission Upgrade","description":"\u003cp\u003e\u003cstrong\u003eTransmission Control Unit (TCU) Software Upgrade | AMG 9G Transmission Upgrade\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTCU -upgrade is now available as an individual upgrade for the following vehicles equipped with the \u003cb\u003eMercedes-Benz 9G-Tronic transmission\u003c\/b\u003e. Our TCU upgrade delivers faster acceleration by matching the power output of our ECU and Turbo upgrades.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eIncreased Clutch Torque Limits\u003c\/li\u003e\n\u003cli\u003eIncreased Clutch Pressure\u003c\/li\u003e\n\u003cli\u003eFaster shift times\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003cbr\u003e\u003c\/strong\u003eW463 | G-Wagon\u003c\/p\u003e\n\u003cp\u003eW205 | C-Class\u003c\/p\u003e\n\u003cp\u003eW213 | E-Class\u003c\/p\u003e\n\u003cp\u003eX290 | AMG GT63 4-Door Coupe\u003c\/p\u003e\n\u003cp\u003eW222 | S-Class\u003c\/p\u003e\n\u003cp\u003eX253 | GLC-Class\u003c\/p\u003e\n\u003cp\u003eW166 | GLE-Class\u003c\/p\u003e\n\u003cp\u003eW167 | GLE-Class\u003c\/p\u003e\n\u003cp\u003eX166 | GLS-Class\u003c\/p\u003e\n\u003cp\u003eX167 | GLS Class\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The TCU upgrade included with R-Line and Turbo upgrades and is recommended vehicles with ECU tune.  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46693280481536,"sku":"27.725.9.TS","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025.jpg?v=1747996929"},{"product_id":"renntech-front-brake-rotor-upgrade","title":"RENNtech Performance Front Rotors Upgrade | E63 (W\/S 213) | SLS AMG (C197) | SL55\/63 (R230) | GLC 63 (X\/C253) | C63 Black Series (C 204)","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Performance Front Rotors | E63 (W\/S 213) | SLS AMG (C197) | SL55\/63 (R230) | GLC 63 (X\/C253) | C63 Black Series (C 204) \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor: E63 (W\/S 213) | SLS AMG (C197) | SL55\/63 (R230) P30 only | GLC 63 (X\/C253) | C63 Black Series (C 204)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 7.5pt; background: white;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: Arial, sans-serif; color: #333333;\"\u003eThe RT Performance Brake Rotors \u003c\/span\u003e\u003cspan style=\"font-size: 10.5pt; font-family: Arial, sans-serif; color: #333333;\"\u003eare an upgrade and direct replacement for the OE brake rotors with no modifications necessary. The rotors bolt directly to the car and fit perfectly with Mercedes-Benz AMG OE calipers and the iron rings can easily be replaced when needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 7.5pt; background: white; orphans: 2; text-align: start; widows: 2; word-spacing: 0px;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: Arial, sans-serif; color: #333333;\"\u003eThe rotors consist of a two-piece iron disc, aerospace grade aluminum hat construction. The high carbon content and the chemical composition of the steel enable teh RENNtech discs to be more durable and lighter than its OEM counterparts. This allows them to perform better and longer during high performance driving.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 7.5pt; background: white; orphans: 2; text-align: start; widows: 2; word-spacing: 0px;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: Arial, sans-serif; color: #333333;\"\u003eThe left- and right-hand specific rotors feature directional curved vanes that actively pump air through the disc reducing the amount of heat soak. The design of the slots refreshes the pad surface and prevent containments and water from collecting between the pad and disc, therefore for maintaining maximum stopping power and brake response in all driving conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 7.5pt; background: white; orphans: 2; text-align: start; widows: 2; word-spacing: 0px;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: Arial, sans-serif; color: #333333;\"\u003eOEM Mercedes discs are drilled which presents two issues. Firstly, they are major stress risers which can lead to premature cracking, and second, they also act like a cheese grater on the brake pads which wear them at an accelerated rate and create grooves in the pads which in turn creates grooves in the rotors. For this reason, Mercedes recommends replacing the discs with every pad change because of the uneven surface. With our discs, drivers can run several sets of pads on them without having to prematurely change them.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 7.5pt; background: white; orphans: 2; text-align: start; widows: 2; word-spacing: 0px;\"\u003e\u003cspan style=\"font-size: 10.5pt; font-family: Arial, sans-serif; color: #333333;\"\u003eThe RENNtech discs are machined exclusively in the United States from start to finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e- Front Rotors\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46697016525056,"sku":"42.213.1200","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/A7303709.jpg?v=1748189036"},{"product_id":"renntech-stage-i-turbo-upgrade-package-w463-g63-amg-818-hp-820-lb-ft-4-0l-v8-biturbo-m177-my2019","title":"RENNtech Stage I Turbo Upgrade Package | W463 | G63 AMG | 818 HP \/ 820 LB-FT | 4.0L V8 BiTurbo | M177 | MY2019+","description":"\u003cp\u003e\u003cstrong\u003eIncludes Upgraded Turbos, ECU Upgrade, BOV Adapters, Air Filters and Fuel System Upgrade. Gains: Up to +176 HP | +100 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mercedes X463 - G 63 AMG comes with the newest engine fully developed by AMG, the company’s Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4.0L V8 BiTurbo engine is an incredible platform to build performance upon. In addition to that, the all-new X463 - G 63 AMG is equipped with the latest technology Twin-Scroll Turbocharger.\u003c\/p\u003e\n\u003cp\u003eRENNtech lightweight forged billet turbo wheel features a dramatically larger-than stock impeller (inlet side) and an increase in the turbine trim (exhaust side). This combination of high quality, lightweight components compensates for turbo lag despite being a functionally larger turbo. The cartridge supporting shaft is both larger and stronger, designed to handle the larger wheel and additional power. This entire cartridge is then fine balanced as a complete assembly to safely allow for these increases. The impeller and turbine housings are then precision CNC machined and flow tested in-house to fit the larger internal cartridge. The end result is nothing short of spectacular with the RENNtech turbo package creating up to 818 hp and 820 lb-ft.\u003c\/p\u003e\n\u003cp\u003eThe RENNtech Stage I Turbocharger extends power and torque over a longer RPM range at a higher power range compared to our ECU Upgrade. The peak horsepower gains are up to +176 HP over stock up to +87 HP over our ECU Upgrade. The peak Torque increase is up to +100 LB-FT over stock and up to +34 LB-FT over our ECU Upgrade. The RENNtech Stage I Turbocharger extends power and torque over a longer RPM range at a higher power range compared to our ECU Upgrade. The peak horsepower gains are up to +176 HP over stock up to +87 HP over our ECU Upgrade. The peak Torque increase is up to +100 LB-FT over stock and up to +34 LB-FT over our ECU Upgrade.\u003c\/p\u003e\n\u003cp\u003eMore power isn’t the only performance benefit as our turbos spool quicker, offer a more responsive throttle and immediate power delivery thanks to a reduction in exhaust back pressure, rolling resistance, higher RPM’s and a lighter rotating mass. In addition, our turbo upgrade kit functions with the OEM oil and coolant lines. This isn’t just an OEM turbo charger with machined internals; but a dramatically larger, more powerful turbocharger that blows away anything else on the market!More power isn’t the only performance benefit as our turbos spool quicker, offer a more responsive throttle and immediate power delivery thanks to a reduction in exhaust back pressure, rolling resistance, higher RPM’s and a lighter rotating mass. In addition, our turbo upgrade kit functions with the OEM oil and coolant lines. This isn’t just an OEM turbo charger with machined internals; but a dramatically larger, more powerful turbocharger that blows away anything else on the market!\u003c\/p\u003e\n\u003cp\u003eThe RENNtech performance turbo upgrade is truly the ultimate upgrade for your G 63 AMG.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe RENNtech \u003cstrong\u003eStage I Turbo Upgrade\u003c\/strong\u003e comes with an RENNtech \u003cstrong\u003eECU Upgrade,\u003c\/strong\u003e RENNtech \u003cstrong\u003eBlow-Off Valve Adapters,\u003c\/strong\u003e BMC \u003cstrong\u003eAir Filters\u003c\/strong\u003e and RENNtech\u003cstrong\u003e Fuel System Upgrade.\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarger impeller (inlet) wheel\u003c\/li\u003e\n\u003cli\u003eCartridge shaft is larger and stronger to support larger wheel\u003c\/li\u003e\n\u003cli\u003eEntire cartridge is fine balanced as an assembly\u003c\/li\u003e\n\u003cli\u003eLightweight forged billet wheel\u003c\/li\u003e\n\u003cli\u003eLess rolling resistance offers quicker spooling\u003c\/li\u003e\n\u003cli\u003eVirtually no lag with impressive throttle response\u003c\/li\u003e\n\u003cli\u003ePrecision machined impeller and turbine housings\u003c\/li\u003e\n\u003cli\u003eUp to 818  HP and 820 TQ @ Crank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eG 63 AMG  (MY2019+ | W463 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e577\u003c\/strong\u003e HP @ 6,000 rpm; 627 LB-FT @ 2,500-3,500rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                \u003cb\u003e642 \u003c\/b\u003eHP @ 6,050; \u003cb\u003e720 \u003c\/b\u003eLB-FT @ 3,250 rpm\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003e\u003c\/em\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eG63 AMG 4MATIC+ (MY2019+ | W463 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e818\u003c\/strong\u003e HP\u003c\/span\u003e @ 6,200rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e820 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 6,500 rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              687 whp @ 6,200rpm; 689 wtq @ 3,7500 rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"dyno_graph\"\u003e \u003c\/div\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46699424121088,"sku":"PKG.09.177.1020","price":16840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/G63-For-Sale-15_021dae03-6538-453e-be1d-2316f1f83937.jpg?v=1748286182"},{"product_id":"renntech-stage-i-turbo-upgrade-m256-3-0l-i6-turbo-eq-boost-505hp-460lb-ft-my2018","title":"RENNtech Stage I Turbo Upgrade | M256 | 3.0L I6 Turbo EQ Boost | 505HP\/460LB-FT | MY2018+","description":"\u003cp bis_size='{\"x\":12,\"y\":9,\"w\":644,\"h\":19,\"abs_x\":12,\"abs_y\":9}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":9,\"w\":493,\"h\":18,\"abs_x\":12,\"abs_y\":9}'\u003eIncludes Turbo Upgrade, and ECU Upgrade. Gains: Up to +69HP | +50LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":45,\"w\":644,\"h\":19,\"abs_x\":12,\"abs_y\":45}'\u003e RENNtech \u003cstrong bis_size='{\"x\":82,\"y\":45,\"w\":44,\"h\":18,\"abs_x\":82,\"abs_y\":45}'\u003e\u003cem bis_size='{\"x\":82,\"y\":45,\"w\":44,\"h\":18,\"abs_x\":82,\"abs_y\":45}'\u003eStage I\u003c\/em\u003e\u003c\/strong\u003e \u003cstrong bis_size='{\"x\":130,\"y\":45,\"w\":37,\"h\":18,\"abs_x\":130,\"abs_y\":45}'\u003e\u003cem bis_size='{\"x\":130,\"y\":45,\"w\":37,\"h\":18,\"abs_x\":130,\"abs_y\":45}'\u003eTurbo\u003c\/em\u003e\u003c\/strong\u003e upgrade for the AMG 53 | M256 | AMG 3.0L Inline-6 engine.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":80,\"w\":644,\"h\":58,\"abs_x\":12,\"abs_y\":80}'\u003eRENNtech has been at the forefront of ECU tuning for over 30 years. Through our experience, countless hours of in-house Research \u0026amp; Development, and extensive testing we ensure that all RENNtech Performance upgrades offer incredible performance gains as well as rock-solid reliability.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":155,\"w\":644,\"h\":58,\"abs_x\":12,\"abs_y\":155}'\u003eThe RENNtech Stage I Turbo -upgrade package for the Mercedes-Benz M256 -engine was developed to address and prevent possible OEM turbo failures when increasing the power output of the AMG 53 | M256 | AMG 3.0L Inline-6 engine. \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":230,\"w\":644,\"h\":97,\"abs_x\":12,\"abs_y\":230}'\u003eWith a strengthened turbo cartridge shaft, larger intake and exhaust impellers, and upgraded bearings the M256 Turbo upgrade is engineered to handle and deliver maximum power and torque. The use of new high quality, light weight components compensate for turbo lag despite their increased size. The impeller and turbine housings are precision CNC machined and flow tested in-house to fit the larger internal cartridge which is balanced as a complete assembly prior to installation.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":344,\"w\":644,\"h\":117,\"abs_x\":12,\"abs_y\":344}'\u003eThe RENNtech \u003cstrong bis_size='{\"x\":105,\"y\":344,\"w\":185,\"h\":18,\"abs_x\":105,\"abs_y\":344}'\u003e\u003cem bis_size='{\"x\":105,\"y\":344,\"w\":185,\"h\":18,\"abs_x\":105,\"abs_y\":344}'\u003eStage I M256 Turbo Upgrade\u003c\/em\u003e\u003c\/strong\u003e isn’t just an OEM turbo charger with machined internals; but a dramatically larger, more powerful turbocharger capable increasing the power of the AMG 53 series. The result is nothing short of spectacular with gains up to \u003cstrong bis_size='{\"x\":412,\"y\":383,\"w\":39,\"h\":18,\"abs_x\":412,\"abs_y\":383}'\u003e69 HP\u003c\/strong\u003e and \u003cstrong bis_size='{\"x\":482,\"y\":383,\"w\":49,\"h\":18,\"abs_x\":482,\"abs_y\":383}'\u003e50 lb-ft\u003c\/strong\u003e, delivering up to \u003cstrong bis_size='{\"x\":12,\"y\":403,\"w\":145,\"h\":18,\"abs_x\":12,\"abs_y\":403}'\u003e505 HP and 460 LB-FT\u003c\/strong\u003e with solid reliability and longevity.\u003cbr bis_size='{\"x\":370,\"y\":403,\"w\":0,\"h\":18,\"abs_x\":370,\"abs_y\":403}'\u003e\u003cbr bis_size='{\"x\":12,\"y\":422,\"w\":0,\"h\":18,\"abs_x\":12,\"abs_y\":422}'\u003eKey Features:\u003c\/p\u003e\n\u003cul bis_size='{\"x\":12,\"y\":477,\"w\":644,\"h\":176,\"abs_x\":12,\"abs_y\":477}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":477,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":477}'\u003eThe RENNtech Stage I Turbo Upgrade comes with an RENNtech RPM - ECU Upgrade.\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":497,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":497}'\u003eLarger impeller (inlet)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":517,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":517}'\u003eCartridge shaft is larger and stronger to support larger wheels\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":536,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":536}'\u003eEntire cartridge is fine balanced as an assembly\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":556,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":556}'\u003eLightweight forged billet wheels\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":575,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":575}'\u003eLess rolling resistance offers quicker spooling\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":595,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":595}'\u003eVirtually no lag with impressive throttle response\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":615,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":615}'\u003ePrecision machined impeller and turbine housings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":634,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":634}'\u003eUp to 505 HP and 460 TQ @ crank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":12,\"y\":668,\"w\":644,\"h\":19,\"abs_x\":12,\"abs_y\":668}'\u003e\u003cem bis_size='{\"x\":12,\"y\":668,\"w\":37,\"h\":18,\"abs_x\":12,\"abs_y\":668}'\u003eNotes:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":12,\"y\":703,\"w\":644,\"h\":235,\"abs_x\":12,\"abs_y\":703}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":703,\"w\":604,\"h\":39,\"abs_x\":52,\"abs_y\":703}'\u003e\u003cem bis_size='{\"x\":52,\"y\":703,\"w\":588,\"h\":38,\"abs_x\":52,\"abs_y\":703}'\u003eThis Turbo Upgrade requires an additional core charge, which will be credited upon return of OEM turbo core to RENNtech\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":743,\"w\":604,\"h\":58,\"abs_x\":52,\"abs_y\":743}'\u003e\u003cem bis_size='{\"x\":52,\"y\":743,\"w\":585,\"h\":57,\"abs_x\":52,\"abs_y\":743}'\u003eWe have found the new M256 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory. Numbers will be dependent on conditions and fuel quality.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":801,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":801}'\u003e\u003cem bis_size='{\"x\":52,\"y\":801,\"w\":428,\"h\":18,\"abs_x\":52,\"abs_y\":801}'\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":821,\"w\":604,\"h\":39,\"abs_x\":52,\"abs_y\":821}'\u003e\u003cem bis_size='{\"x\":52,\"y\":821,\"w\":600,\"h\":38,\"abs_x\":52,\"abs_y\":821}'\u003eTo reach the maximum power level, RENNtech downpipe, BOV adapters and high-flow air filters are required.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":860,\"w\":604,\"h\":39,\"abs_x\":52,\"abs_y\":860}'\u003e\u003cem bis_size='{\"x\":52,\"y\":860,\"w\":591,\"h\":38,\"abs_x\":52,\"abs_y\":860}'\u003ePublished figures are dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with the Stage I and Stage II Turbo Performance Package.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":899,\"w\":604,\"h\":39,\"abs_x\":52,\"abs_y\":899}'\u003e\u003cem bis_size='{\"x\":52,\"y\":899,\"w\":569,\"h\":38,\"abs_x\":52,\"abs_y\":899}'\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":12,\"y\":953,\"w\":644,\"h\":19,\"abs_x\":12,\"abs_y\":953}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":953,\"w\":106,\"h\":18,\"abs_x\":12,\"abs_y\":953}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":12,\"y\":953,\"w\":106,\"h\":18,\"abs_x\":12,\"abs_y\":953}'\u003e\u003cem bis_size='{\"x\":12,\"y\":953,\"w\":106,\"h\":18,\"abs_x\":12,\"abs_y\":953}'\u003eApplication List:\u003c\/em\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":12,\"y\":988,\"w\":644,\"h\":137,\"abs_x\":12,\"abs_y\":988}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":988,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":988}'\u003eW213 - E 53 AMG Sedan\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":1008,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":1008}'\u003eS213 - E 53 AMG Wagon\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":1027,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":1027}'\u003eC238 - E 53 AMG Coupe\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":1047,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":1047}'\u003eC257 - CLS 53 AMG\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":1067,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":1067}'\u003eX290 - GT 53 AMG\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":1086,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":1086}'\u003eC167 - GLE 53 AMG Coupe\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":1106,\"w\":604,\"h\":19,\"abs_x\":52,\"abs_y\":1106}'\u003eV167 - GLE 53 AMG SUV\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1139,\"w\":644,\"h\":19,\"abs_x\":12,\"abs_y\":1139}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1175,\"w\":644,\"h\":19,\"abs_x\":12,\"abs_y\":1175}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":1175,\"w\":373,\"h\":18,\"abs_x\":12,\"abs_y\":1175}'\u003eTURBO UPGRADE CORE EXCHANGE POLICY DISCLAIMER\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1211,\"w\":644,\"h\":156,\"abs_x\":12,\"abs_y\":1211}'\u003e\u003cem bis_size='{\"x\":12,\"y\":1211,\"w\":643,\"h\":57,\"abs_x\":12,\"abs_y\":1211}'\u003eRENNtech carefully selects the turbo cores we use for use in our turbo upgrades. The units may show light aesthetic imperfections which may in no way interfere with the functionality of the turbo. We do not accept damaged cores in exchange for new units.\u003cbr bis_size='{\"x\":264,\"y\":1250,\"w\":0,\"h\":18,\"abs_x\":264,\"abs_y\":1250}'\u003e\u003cbr bis_size='{\"x\":12,\"y\":1269,\"w\":0,\"h\":18,\"abs_x\":12,\"abs_y\":1269}'\u003e\u003c\/em\u003eAll replacement cores are completely disassembled, cleaned, and inspected prior to mechanical upgrades. RENNtech replaces original parts with new components for upgraded function and performance. If you wish to have a new turbo core, please contact our sales department prior to order. Ordering a new turbo core will increase turnaround time and cost.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1383,\"w\":644,\"h\":19,\"abs_x\":12,\"abs_y\":1383}'\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\" bis_size='{\"x\":12,\"y\":1419,\"w\":644,\"h\":19,\"abs_x\":12,\"abs_y\":1419}'\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\" bis_size='{\"x\":12,\"y\":1455,\"w\":644,\"h\":503,\"abs_x\":12,\"abs_y\":1455}'\u003e\n\u003ctable bis_size='{\"x\":12,\"y\":1455,\"w\":644,\"h\":503,\"abs_x\":12,\"abs_y\":1455}'\u003e\n\u003ctbody bis_size='{\"x\":14,\"y\":1457,\"w\":639,\"h\":498,\"abs_x\":14,\"abs_y\":1457}'\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":1457,\"w\":639,\"h\":498,\"abs_x\":14,\"abs_y\":1457}'\u003e\n\u003ctd bis_size='{\"x\":14,\"y\":1457,\"w\":639,\"h\":498,\"abs_x\":14,\"abs_y\":1457}'\u003e\n\u003cp bis_size='{\"x\":16,\"y\":1459,\"w\":635,\"h\":19,\"abs_x\":16,\"abs_y\":1459}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":1459,\"w\":218,\"h\":18,\"abs_x\":16,\"abs_y\":1459}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":1459,\"w\":218,\"h\":18,\"abs_x\":16,\"abs_y\":1459}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1459,\"w\":214,\"h\":18,\"abs_x\":16,\"abs_y\":1459}'\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":16,\"y\":1495,\"w\":635,\"h\":19,\"abs_x\":16,\"abs_y\":1495}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":1495,\"w\":605,\"h\":18,\"abs_x\":16,\"abs_y\":1495}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1495,\"w\":605,\"h\":18,\"abs_x\":16,\"abs_y\":1495}'\u003e53 AMG EQ Boost (MY2018+ | M256 | 3.0L I6 Turbo EQ Boost) \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":426,\"y\":1495,\"w\":124,\"h\":18,\"abs_x\":426,\"abs_y\":1495}'\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":16,\"y\":1530,\"w\":635,\"h\":195,\"abs_x\":16,\"abs_y\":1530}'\u003e\n\u003cli bis_size='{\"x\":56,\"y\":1530,\"w\":595,\"h\":19,\"abs_x\":56,\"abs_y\":1530}'\u003eRated by \u003cstrong bis_size='{\"x\":115,\"y\":1530,\"w\":100,\"h\":18,\"abs_x\":115,\"abs_y\":1530}'\u003eMercedes-Benz\u003c\/strong\u003e:                        \u003cstrong bis_size='{\"x\":310,\"y\":1530,\"w\":24,\"h\":18,\"abs_x\":310,\"abs_y\":1530}'\u003e429\u003c\/strong\u003e HP @ 6,100rpm; \u003cstrong bis_size='{\"x\":442,\"y\":1530,\"w\":24,\"h\":18,\"abs_x\":442,\"abs_y\":1530}'\u003e384\u003c\/strong\u003e LB-FT @ 1,800-5,800rpm\u003c\/li\u003e\n\u003cli bis_size='{\"x\":56,\"y\":1550,\"w\":595,\"h\":19,\"abs_x\":56,\"abs_y\":1550}'\u003eDyno measured by \u003cstrong bis_size='{\"x\":176,\"y\":1550,\"w\":70,\"h\":18,\"abs_x\":176,\"abs_y\":1550}'\u003eRENNtech:\u003c\/strong\u003e               \u003cstrong bis_size='{\"x\":304,\"y\":1550,\"w\":24,\"h\":18,\"abs_x\":304,\"abs_y\":1550}'\u003e436\u003c\/strong\u003e HP @ 6,000rpm; \u003cb bis_size='{\"x\":436,\"y\":1550,\"w\":24,\"h\":18,\"abs_x\":436,\"abs_y\":1550}'\u003e410\u003c\/b\u003e LB-FT @ 4,000rpm\u003c\/li\u003e\n\u003cli bis_size='{\"x\":56,\"y\":1569,\"w\":595,\"h\":156,\"abs_x\":56,\"abs_y\":1569}'\u003e\n\u003cul bis_size='{\"x\":56,\"y\":1569,\"w\":595,\"h\":156,\"abs_x\":56,\"abs_y\":1569}'\u003e\n\u003cli bis_size='{\"x\":96,\"y\":1569,\"w\":555,\"h\":117,\"abs_x\":96,\"abs_y\":1569}'\u003e\u003cem bis_size='{\"x\":96,\"y\":1569,\"w\":541,\"h\":116,\"abs_x\":96,\"abs_y\":1569}'\u003eNote: Mercedes M256 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":96,\"y\":1687,\"w\":555,\"h\":39,\"abs_x\":96,\"abs_y\":1687}'\u003e\u003cem bis_size='{\"x\":96,\"y\":1687,\"w\":537,\"h\":38,\"abs_x\":96,\"abs_y\":1687}'\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":16,\"y\":1740,\"w\":635,\"h\":19,\"abs_x\":16,\"abs_y\":1740}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1740,\"w\":3,\"h\":18,\"abs_x\":16,\"abs_y\":1740}'\u003e \u003c\/strong\u003e\u003cstrong bis_size='{\"x\":20,\"y\":1740,\"w\":3,\"h\":18,\"abs_x\":20,\"abs_y\":1740}'\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":16,\"y\":1776,\"w\":635,\"h\":19,\"abs_x\":16,\"abs_y\":1776}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":1776,\"w\":585,\"h\":18,\"abs_x\":16,\"abs_y\":1776}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1776,\"w\":585,\"h\":18,\"abs_x\":16,\"abs_y\":1776}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1776,\"w\":429,\"h\":18,\"abs_x\":16,\"abs_y\":1776}'\u003e53 AMG EQ Boost (MY2018+ | M256 | 3.0L I6 Turbo EQ Boost) \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":449,\"y\":1776,\"w\":148,\"h\":18,\"abs_x\":449,\"abs_y\":1776}'\u003eModified Performance\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":16,\"y\":1811,\"w\":635,\"h\":39,\"abs_x\":16,\"abs_y\":1811}'\u003e\n\u003cli bis_size='{\"x\":56,\"y\":1811,\"w\":595,\"h\":19,\"abs_x\":56,\"abs_y\":1811}'\u003eRated by \u003cstrong bis_size='{\"x\":115,\"y\":1811,\"w\":166,\"h\":18,\"abs_x\":115,\"abs_y\":1811}'\u003eRENNtech \u003cem bis_size='{\"x\":185,\"y\":1811,\"w\":95,\"h\":18,\"abs_x\":185,\"abs_y\":1811}'\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":338,\"y\":1811,\"w\":45,\"h\":18,\"abs_x\":338,\"abs_y\":1811}'\u003e\u003cstrong bis_size='{\"x\":338,\"y\":1811,\"w\":24,\"h\":18,\"abs_x\":338,\"abs_y\":1811}'\u003e505\u003c\/strong\u003e HP\u003c\/span\u003e @ 6,150rpm; \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":470,\"y\":1811,\"w\":62,\"h\":18,\"abs_x\":470,\"abs_y\":1811}'\u003e \u003cstrong bis_size='{\"x\":470,\"y\":1811,\"w\":24,\"h\":18,\"abs_x\":470,\"abs_y\":1811}'\u003e460\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,600rpm\u003c\/li\u003e\n\u003cli bis_size='{\"x\":56,\"y\":1831,\"w\":595,\"h\":19,\"abs_x\":56,\"abs_y\":1831}'\u003eRated by \u003cstrong bis_size='{\"x\":115,\"y\":1831,\"w\":168,\"h\":18,\"abs_x\":115,\"abs_y\":1831}'\u003eRENNtech \u003cem bis_size='{\"x\":185,\"y\":1831,\"w\":97,\"h\":18,\"abs_x\":185,\"abs_y\":1831}'\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              419 whp @ 6,150rpm; 382 wtq @ 4,600rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul bis_size='{\"x\":16,\"y\":1865,\"w\":635,\"h\":39,\"abs_x\":16,\"abs_y\":1865}'\u003e\n\u003cul bis_size='{\"x\":56,\"y\":1865,\"w\":595,\"h\":39,\"abs_x\":56,\"abs_y\":1865}'\u003e\n\u003cli bis_size='{\"x\":96,\"y\":1865,\"w\":555,\"h\":39,\"abs_x\":96,\"abs_y\":1865}'\u003e\u003cem bis_size='{\"x\":96,\"y\":1865,\"w\":506,\"h\":38,\"abs_x\":96,\"abs_y\":1865}'\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":16,\"y\":1918,\"w\":635,\"h\":19,\"abs_x\":16,\"abs_y\":1918}'\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46699537957120,"sku":"PKG.09.256.2021","price":5780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/RENNtech_M256-Turboupgrade_002_7509efdd-fe35-4a7a-9594-67a0b98a0ea3.jpg?v=1748294025"},{"product_id":"renntech-stage-i-turbo-upgrade-c253-glc-63-s-amg-coupe-709hp-638lb-ft-4-0l-v8-biturbo-m177-my2015","title":"RENNtech Stage I Turbo Upgrade | C253 | GLC 63 \/S AMG | Coupe | 709HP\/638LB-FT | 4.0L V8 BiTurbo | M177 | MY2015+","description":"\u003cp\u003e\u003cstrong\u003eIncludes Turbo Upgrade, ECU Upgrade, ana Fuel System Upgrade. Gains: Up to +164HP | +88LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mercedes 253 - GLC 63 AMG comes with the newest engine fully developed by AMG, the company’s Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4.0L V8 BiTurbo engine is an incredible platform to build performance upon. \u003c\/p\u003e\n\u003cp\u003eRENNtech lightweight forged billet turbo wheels feature a dramatically larger than stock impeller (inlet side) and an increase in the turbine trim (exhaust side). This combination of high quality, light weight components compensates for turbo lag despite being a functionally larger turbo. The cartridge supporting shaft is also both larger and stronger designed to handle the larger wheels and additional power. This entire cartridge is then\u003cstrong\u003e \u003c\/strong\u003efine balanced as a complete assembly to compensate for these increases. The impeller and turbine housings are then precision CNC machined and flow tested in-house to fit the larger internal cartridge. The end result is nothing short of spectacular with the RENNtech turbo package creating up to \u003cstrong\u003e709 hp\u003c\/strong\u003e and \u003cstrong\u003e638 lb-ft\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMore power isn’t the only performance benefit as our turbos spool quicker, offer a more responsive throttle and immediate power delivery thanks to a reduction in exhaust back pressure, rolling resistance, higher RPM's and a lighter rotating mass. In addition, our turbo upgrade kit functions with the OEM oil and coolant lines.\u003cstrong\u003e \u003c\/strong\u003eThis isn’t just an OEM turbo charger with machined internals; but a dramatically larger, more powerful turbocharger that blows away anything else on the market!\u003c\/p\u003e\n\u003cp\u003eThe RENNtech performance turbo upgrade is truly the ultimate upgrade for your GLC 63 AMG.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe RENNtech Stage I Turbo Upgrade comes with an RENNtech \u003cstrong\u003eECU Upgrade\u003c\/strong\u003e and the RENNtech \u003cstrong\u003eFuel System Upgrade\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarger impeller (inlet) and turbine (exhaust) cartridge\u003c\/li\u003e\n\u003cli\u003eCartridge shaft is larger and stronger to support larger wheels\u003c\/li\u003e\n\u003cli\u003eEntire cartridge is fine balanced as an assembly\u003c\/li\u003e\n\u003cli\u003eLightweight forged billet wheels\u003c\/li\u003e\n\u003cli\u003eLess rolling resistance offers quicker spooling\u003c\/li\u003e\n\u003cli\u003eVirtually no lag with impressive throttle response\u003c\/li\u003e\n\u003cli\u003ePrecision machined impeller and turbine housings\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e709 HP and 638 LB-FT\u003c\/strong\u003e @ crank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eNotes:\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cem\u003e\u003cspan\u003eThis Turbo Upgrade requires an additional core charge, which will be credited upon return of OEM turbo core to RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe have found the new M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory. Numbers will be dependent on conditions and fuel quality.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eTo reach the maximum power level, RENNtech downpipes, BOV adapter and high-flow air filters are required.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependend on conditions and fuel quality.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cspan\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eGLC 63 AMG S (C253 | M177 | 4.0L V8 BiTurbo) Stock Performance(at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        503 HP @ 5,500-6,250 rpm; 516 LB-FT @ 1,750-4,500 rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                 545 HP @ 6,150 RPM; 550 LB-FT @ 3,700-4,700 RPM\u003c\/span\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eGLC 63 AMG S (C253 | M177 | 4.0L V8 BiTurbo) Modified Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:              \u003cspan\u003e\u003cstrong\u003e709\u003c\/strong\u003e HP\u003c\/span\u003e @ 6,800rpm; \u003cspan\u003e\u003cstrong\u003e638\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 5,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e                                                    610 whp @ 6,800rpm; 549 wtq @ 5,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003ca rel=\"noopener noreferrer\" href=\"images\/stories\/virtuemart\/product\/RENNtech_205-C63AMG_R2_web.jpg\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/div\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46703503900928,"sku":"PKG.09.177.1010","price":13840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_m177_m178_turbo_stage_i_002_5ab87ca4-bafb-4302-bc95-eb1f1e429601.jpg?v=1748353402"},{"product_id":"renntech-stage-i-turbo-upgrade-c205-c63-s-amg-sedan-709hp-638lb-ft-4-0l-v8-biturbo-m177-my2015","title":"RENNtech Stage I Turbo Upgrade | C205 | C63 \/S AMG | Sedan | 709HP\/638LB-FT | 4.0L V8 BiTurbo | M177 | MY2015+","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Stage I Turbo Upgrade | C205 | C63 \/S AMG | Sedan | 709HP\/638LB-FT | 4.0L V8 BiTurbo | M177 | MY2015+\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mercedes 205 - C 63 AMG comes with the newest engine fully developed by AMG, the company’s Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4.0L V8 BiTurbo engine is an incredible platform to build performance upon. \u003c\/p\u003e\n\u003cp\u003eRENNtech lightweight forged billet turbo wheels feature a dramatically larger than stock impeller (inlet side) and an increase in the turbine trim (exhaust side). This combination of high quality, light weight components compensates for turbo lag despite being a functionally larger turbo. The cartridge supporting shaft is also both larger and stronger designed to handle the larger wheels and additional power. This entire cartridge is then\u003cstrong\u003e \u003c\/strong\u003efine balanced as a complete assembly to compensate for these increases. The impeller and turbine housings are then precision CNC machined and flow tested in-house to fit the larger internal cartridge. The end result is nothing short of spectacular with the RENNtech turbo package creating up to \u003cstrong\u003e709 hp\u003c\/strong\u003e and \u003cstrong\u003e638 lb-ft\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMore power isn’t the only performance benefit as our turbos spool quicker, offer a more responsive throttle and immediate power delivery thanks to a reduction in exhaust back pressure, rolling resistance, higher RPM's and a lighter rotating mass. In addition, our turbo upgrade kit functions with the OEM oil and coolant lines.\u003cstrong\u003e \u003c\/strong\u003eThis isn’t just an OEM turbo charger with machined internals; but a dramatically larger, more powerful turbocharger that blows away anything else on the market!\u003c\/p\u003e\n\u003cp\u003eThe RENNtech performance turbo upgrade is truly the ultimate upgrade for your C 63 AMG.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe RENNtech Stage I Turbo Upgrade comes with an RENNtech \u003cstrong\u003eECU Upgrade\u003c\/strong\u003e and the RENNtech \u003cstrong\u003eFuel System Upgrade\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarger impeller (inlet) and turbine (exhaust) cartridge\u003c\/li\u003e\n\u003cli\u003eCartridge shaft is larger and stronger to support larger wheels\u003c\/li\u003e\n\u003cli\u003eEntire cartridge is fine balanced as an assembly\u003c\/li\u003e\n\u003cli\u003eLightweight forged billet wheels\u003c\/li\u003e\n\u003cli\u003eLess rolling resistance offers quicker spooling\u003c\/li\u003e\n\u003cli\u003eVirtually no lag with impressive throttle response\u003c\/li\u003e\n\u003cli\u003ePrecision machined impeller and turbine housings\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e709 HP and 638 LB-FT\u003c\/strong\u003e @ crank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eNotes:\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cem\u003e\u003cspan\u003eThis Turbo Upgrade requires an additional core charge, which will be credited upon return of OEM turbo core to RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe have found the new M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory. Numbers will be dependent on conditions and fuel quality.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eTo reach the maximum power level, RENNtech downpipes, BOV adapter and high-flow air filters are required.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependend on conditions and fuel quality.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cspan\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eC 63 AMG S (C205 | M177 | 4.0L V8 BiTurbo) Stock Performance(at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        503 HP @ 5,500-6,250 rpm; 516 LB-FT @ 1,750-4,500 rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                 545 HP @ 6,150 RPM; 550 LB-FT @ 3,700-4,700 RPM\u003c\/span\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eC 63 AMG S (C205 | M177 | 4.0L V8 BiTurbo) Modified Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:              \u003cspan\u003e\u003cstrong\u003e709\u003c\/strong\u003e HP\u003c\/span\u003e @ 6,800rpm; \u003cspan\u003e\u003cstrong\u003e638\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 5,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e                                                    610 whp @ 6,800rpm; 549 wtq @ 5,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003ca rel=\"noopener noreferrer\" href=\"images\/stories\/virtuemart\/product\/RENNtech_205-C63AMG_R2_web.jpg\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/div\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46717544825088,"sku":"PKG.09.177.1010","price":13840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_m177_m178_turbo_stage_i_001_4e8af125-d111-4df6-952f-0fe2e04eab1a.jpg?v=1748861496"},{"product_id":"renntech-stage-i-turbo-upgrade-w205-c63-s-amg-sedan-709hp-638lb-ft-4-0l-v8-biturbo-m177-my2015","title":"RENNtech Stage I Turbo Upgrade | W205 | C63 \/S AMG | Sedan | 709HP\/638LB-FT | 4.0L V8 BiTurbo | M177 | MY2015+","description":"\u003cp\u003e\u003cstrong\u003eIncludes Turbo Upgrade, ECU Upgrade, and Fuel System Upgrade. Gains: Up to +164HP | +88LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mercedes 205 - C 63 AMG comes with the newest engine fully developed by AMG, the company’s Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4.0L V8 BiTurbo engine is an incredible platform to build performance upon. \u003c\/p\u003e\n\u003cp\u003eRENNtech lightweight forged billet turbo wheels feature a dramatically larger than stock impeller (inlet side) and an increase in the turbine trim (exhaust side). This combination of high quality, light weight components compensates for turbo lag despite being a functionally larger turbo. The cartridge supporting shaft is also both larger and stronger designed to handle the larger wheels and additional power. This entire cartridge is then\u003cstrong\u003e \u003c\/strong\u003efine balanced as a complete assembly to compensate for these increases. The impeller and turbine housings are then precision CNC machined and flow tested in-house to fit the larger internal cartridge. The end result is nothing short of spectacular with the RENNtech turbo package creating up to \u003cstrong\u003e709 hp\u003c\/strong\u003e and \u003cstrong\u003e638 lb-ft\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMore power isn’t the only performance benefit as our turbos spool quicker, offer a more responsive throttle and immediate power delivery thanks to a reduction in exhaust back pressure, rolling resistance, higher RPM's and a lighter rotating mass. In addition, our turbo upgrade kit functions with the OEM oil and coolant lines.\u003cstrong\u003e \u003c\/strong\u003eThis isn’t just an OEM turbo charger with machined internals; but a dramatically larger, more powerful turbocharger that blows away anything else on the market!\u003c\/p\u003e\n\u003cp\u003eThe RENNtech performance turbo upgrade is truly the ultimate upgrade for your C 63 AMG.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe RENNtech Stage I Turbo Upgrade comes with an RENNtech \u003cstrong\u003eECU Upgrade\u003c\/strong\u003e and the RENNtech \u003cstrong\u003eFuel System Upgrade\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarger impeller (inlet) and turbine (exhaust) cartridge\u003c\/li\u003e\n\u003cli\u003eCartridge shaft is larger and stronger to support larger wheels\u003c\/li\u003e\n\u003cli\u003eEntire cartridge is fine balanced as an assembly\u003c\/li\u003e\n\u003cli\u003eLightweight forged billet wheels\u003c\/li\u003e\n\u003cli\u003eLess rolling resistance offers quicker spooling\u003c\/li\u003e\n\u003cli\u003eVirtually no lag with impressive throttle response\u003c\/li\u003e\n\u003cli\u003ePrecision machined impeller and turbine housings\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e709 HP and 638 LB-FT\u003c\/strong\u003e @ crank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eNotes:\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cem\u003e\u003cspan\u003eThis Turbo Upgrade requires an additional core charge, which will be credited upon return of OEM turbo core to RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe have found the new M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory. Numbers will be dependent on conditions and fuel quality.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eTo reach the maximum power level, RENNtech downpipes, BOV adapter and high-flow air filters are required.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependend on conditions and fuel quality.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(19, 19, 19);\"\u003e\u003cspan\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(19, 19, 19);\"\u003e\u003cstrong\u003eC 63 AMG S (W205 | M177 | 4.0L V8 BiTurbo) Stock Performance(at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(19, 19, 19);\"\u003e\u003cspan style=\"color: rgb(19, 19, 19);\"\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        503 HP @ 5,500-6,250 rpm; 516 LB-FT @ 1,750-4,500 rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(19, 19, 19);\"\u003e\n\u003cspan style=\"color: rgb(19, 19, 19);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                 545 HP @ 6,150 RPM; 550 LB-FT @ 3,700-4,700 RPM\u003c\/span\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(19, 19, 19);\"\u003e\u003cspan style=\"color: rgb(19, 19, 19);\"\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(19, 19, 19);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(19, 19, 19);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(19, 19, 19);\"\u003e\u003cstrong\u003eC 63 AMG S (W205 | M177 | 4.0L V8 BiTurbo) Modified Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(19, 19, 19);\"\u003e\u003cspan style=\"color: rgb(19, 19, 19);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:              \u003cspan\u003e\u003cstrong\u003e709\u003c\/strong\u003e HP\u003c\/span\u003e @ 6,800rpm; \u003cspan\u003e\u003cstrong\u003e638\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 5,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(19, 19, 19);\"\u003e\u003cspan style=\"color: rgb(19, 19, 19);\"\u003e                                                    610 whp @ 6,800rpm; 549 wtq @ 5,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(19, 19, 19);\"\u003e\u003cspan style=\"color: rgb(19, 19, 19);\"\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003ca rel=\"noopener noreferrer\" href=\"images\/stories\/virtuemart\/product\/RENNtech_205-C63AMG_R2_web.jpg\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/div\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46717557506304,"sku":"PKG.09.177.1010","price":13840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_m177_m178_turbo_stage_i_002_beb7b11b-4431-46f3-841f-97543831696b.jpg?v=1748862030"},{"product_id":"renntech-reverse-spare-mount-spare-wheel-mount-g-class-w463","title":"RENNtech | Reverse Spare Mount | Spare Wheel Mount | G-Class | W463","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Reverse Spare Mount for the W463 G-Class\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRENNtech Reverse Spare Mount for G-Class\u003c\/p\u003e\n\u003cp\u003eAdd style to the G-Class with RENNtech’s Reverse Spare Mount and show off your spare wheel instead keeping it under the factory cover.\u003cbr\u003eRENNtech’s Reverse Spare Mount for G-Class is designed in-house by our engineering team for high rigidity and optimal fit. The mount can handle a larger wheel\/tire combo than the stock spare and is designed to keep the wheel in position to clear door handle and quarter panel when rear door hatch is open.\u003c\/p\u003e\n\u003cp\u003eRecommended use with RENNtech RPS 10.2 Forged Aluminum wheels for G-Class, but the mount carry most wheel and tire combo made for the G-Class(X463).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMachined out of billet 6061 aluminum\u003c\/li\u003e\n\u003cli\u003ePowder coated matte black\u003c\/li\u003e\n\u003cli\u003e5 Titanium Lug Bolts\u003c\/li\u003e\n\u003cli\u003e3 Stainless Steel Bolts for installation\u003c\/li\u003e\n\u003cli\u003e5x130mm Bolt Pattern\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eHow to measure fitment and back spacing:\u003cbr\u003e\u003c\/span\u003eHold a straight edge across the tire \u003cspan style=\"text-decoration: underline;\"\u003eand\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003emeasure down to the wheel hub. Deducting the figure from 7.5” will give your clearance between the wheel and the door. Recommended back spacing is between 1 and 2  inches of clearance between wheel\/tire and the door, measured at center.\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46791225016576,"sku":"88.463.890","price":685.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/Wheel-Mount.jpg?v=1751474954"},{"product_id":"renntech-ecu-upgrade-x253-glc-43-amg-suv-400-hp-440-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU Upgrade | X253 | GLC 43 AMG | SUV | 400 HP \/ 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2022","description":"\u003cp\u003e\u003cstrong\u003eThe RENNtech ECU upgrade brings the GLC 43 AMG SUV up to 400 HP and 440 LB-FT | Gains: +25 HP and +42 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe X253 - GLC 43 AMG SUV gains up to \u003c\/span\u003e\u003cstrong\u003e+25 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+42 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the X253 - GLC 43 AMG SUV is \u003cstrong\u003e400 HP\u003c\/strong\u003e and \u003cstrong\u003e440\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003cem style=\"font-size: 12.16px;\"\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003e\u003c\/span\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG SUV (X253 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 2,000-4,200 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG SUV (X253 | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e400\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e440\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46987091476736,"sku":"54.253X.GLC43BI","price":1980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0026_200x200_ca513a68-ebfe-4717-8e39-6b32253e28d0.jpg?v=1757089010"},{"product_id":"renntech-intermediate-ecu-upgrade-x253-glc63-amg-s-4matic-suv-574-hp-612lb-ft-4-0l-v8-biturbo-m177-my2016","title":"RENNtech Intermediate ECU Upgrade | X253 | GLC63 AMG (S) 4MATIC+ SUV | 574 HP\/612LB-FT | 4.0L V8 BiTurbo | M177 | MY2016-2022","description":"\u003cp\u003e\u003cstrong\u003eIntermediate ECU Upgrade | GLC 63 AMG S and non-S | Up to 574 HP \/ 612 LB-FT | Gains: +48 HP \u0026amp; +80 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOur intermediate level ECU upgrade offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eThis is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns. \u003c\/p\u003e\n\u003cp\u003eThis is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003cp\u003eWith the intermediate RENNtech ECU Tuning \u003cspan\u003ethe X253 - GLC63 AMG 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+48 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+80\u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the intermediate RENNtech ECU Upgrade for the GLC63 and GLC63 S AMG+ is \u003cstrong\u003e574 HP\u003c\/strong\u003e and \u003cstrong\u003e612 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg alt=\"50 State Logo Tag\" width=\"100\" height=\"165\" style=\"display: block; margin: auto;\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRENNtech stock power numbers are measured with the GLC 63 AMG. Tune is compatible with GLC 63 AMG and GLC 63 S AMG. Maximum power numbers are for both, S and non-S models.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,750rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.74 sec\u003c\/td\u003e\n\u003ctd\u003e9.46 sec\u003c\/td\u003e\n\u003ctd\u003e13.26 sec\u003c\/td\u003e\n\u003ctd\u003e12.21 sec\u003c\/td\u003e\n\u003ctd\u003e112.82 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.45 sec\u003c\/td\u003e\n\u003ctd\u003e8.92 sec\u003c\/td\u003e\n\u003ctd\u003e12.36 sec\u003c\/td\u003e\n\u003ctd\u003e11.86 sec\u003c\/td\u003e\n\u003ctd\u003e115.59 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_alt\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU+ Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.25 sec\u003c\/td\u003e\n\u003ctd\u003e8.27 sec\u003c\/td\u003e\n\u003ctd\u003e12.20 sec\u003c\/td\u003e\n\u003ctd\u003e11.67 sec\u003c\/td\u003e\n\u003ctd\u003e116.73 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cem\u003e*If not otherwise noted, performed on non-prepped asphalt and with OEM, Street-Legal and\/or Non-Performance tires. Data measured with Racelogic Performance Box.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ (MY2016+ | X253 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e469\u003c\/strong\u003e HP @ 5,500-6,250rpm; \u003cstrong\u003e479\u003c\/strong\u003e LB-FT @ 1,750-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e526\u003c\/strong\u003e HP @ 6,250rpm; \u003cb\u003e532\u003c\/b\u003e LB-FT @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ \u003cstrong\u003e(MY2016+ | X253 | M177 | 4.0L V8 BiTurbo) \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e574\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,750rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e612\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 3,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              482 whp @ 5,750rpm; 514 wtq @ 3,400rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46987283824896,"sku":"54.253X.GLC63BI","price":2840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_bdeb97ad-3d50-41e1-9678-38286cf0df3c.jpg?v=1757089660"},{"product_id":"renntech-ecu-upgrade-c253-glc-43-amg-coupe-400-hp-440-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU Upgrade | C253 | GLC 43 AMG | Coupe | 400 HP \/ 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2022","description":"\u003cp\u003e\u003cstrong\u003eThe RENNtech  ECU upgrade brings the GLC 43 AMG Coupe up to 400 HP and 440 LB-FT | Gains: +25 HP and +42 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe C253 - GLC 43 AMG Coupe gains up to \u003c\/span\u003e\u003cstrong\u003e+25 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+42 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the C253 - GLC 43 AMG Coupe is \u003cstrong\u003e400 HP\u003c\/strong\u003e and \u003cstrong\u003e440\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003cem style=\"font-size: 12.16px;\"\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003e \u003c\/span\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable class=\"mceItemTable\" cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG Coupe (C253 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 2,000-4,200 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG Coupe (C253 | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e400\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e440\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46987364729088,"sku":"54.253C.GLC43BI","price":1980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1_5c95fbe3-07a4-4555-82ab-e3921b0e5072.webp?v=1768946165"},{"product_id":"renntech-intermediate-ecu-upgrade-c253-glc63-amg-s-4matic-coupe-574-hp-612lb-ft-4-0l-v8-biturbo-m177-my2016","title":"RENNtech Intermediate ECU Upgrade | C253 | GLC63 AMG (S) 4MATIC+ Coupe | 574 HP\/612LB-FT | 4.0L V8 BiTurbo | M177 | MY2016-2022","description":"\u003cp\u003e\u003cstrong\u003eIntermediate ECU Upgrade | GLC 63 AMG S and non-S | Up to 574 HP \/ 612 LB-FT | Gains: +48 HP \u0026amp; +80 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOur intermediate level ECU upgrade offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eThis is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns. \u003c\/p\u003e\n\u003cp\u003eThis is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003cp\u003eWith the intermediate RENNtech ECU Tuning \u003cspan\u003ethe X253 - GLC63 AMG 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+48 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+80\u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the intermediate RENNtech ECU Upgrade for the GLC63 and GLC 63 S AMG is \u003cstrong\u003e574 HP\u003c\/strong\u003e and \u003cstrong\u003e612 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable style=\"width: 99.964%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.8935%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 19.9734%;\"\u003e \u003cimg alt=\"50 State Logo Tag\" width=\"100\" height=\"165\" style=\"display: block; margin: auto;\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRENNtech stock power numbers are measured with the GLC 63 AMG. Tune is compatible with GLC 63 AMG and GLC 63 S AMG. Maximum power numbers are for both, S and non-S models.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,750rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.74 sec\u003c\/td\u003e\n\u003ctd\u003e9.46 sec\u003c\/td\u003e\n\u003ctd\u003e13.26 sec\u003c\/td\u003e\n\u003ctd\u003e12.21 sec\u003c\/td\u003e\n\u003ctd\u003e112.82 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.45 sec\u003c\/td\u003e\n\u003ctd\u003e8.92 sec\u003c\/td\u003e\n\u003ctd\u003e12.36 sec\u003c\/td\u003e\n\u003ctd\u003e11.86 sec\u003c\/td\u003e\n\u003ctd\u003e115.59 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_alt\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU+ Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.25 sec\u003c\/td\u003e\n\u003ctd\u003e8.27 sec\u003c\/td\u003e\n\u003ctd\u003e12.20 sec\u003c\/td\u003e\n\u003ctd\u003e11.67 sec\u003c\/td\u003e\n\u003ctd\u003e116.73 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cem\u003e*If not otherwise noted, performed on non-prepped asphalt and with OEM, Street-Legal and\/or Non-Performance tires. Data measured with Racelogic Performance Box.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ (MY2016+ | X253 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e469\u003c\/strong\u003e HP @ 5,500-6,250rpm; \u003cstrong\u003e479\u003c\/strong\u003e LB-FT @ 1,750-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e526\u003c\/strong\u003e HP @ 6,250rpm; \u003cb\u003e532\u003c\/b\u003e LB-FT @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ \u003cstrong\u003e(MY2016+ | X253 | M177 | 4.0L V8 BiTurbo) \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e574\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,750rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e612\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 3,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              482 whp @ 5,750rpm; 514 wtq @ 3,400rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46987404083456,"sku":"54.253C.GLC63BI","price":2840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_a8e8dc15-4e38-48bd-bcfa-afc4407765cc.jpg?v=1757090353"},{"product_id":"renntech-ecu-upgrade-c167-gle-63-s-amg-eq-boost-745hp-767lb-ft-4-0l-v8-biturbo-eq-boost-m177-my2021","title":"RENNtech ECU+ Upgrade | C167 | GLE 63 S AMG EQ Boost | 745HP \/ 767LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 745 HP \/ 767 LB-FT | Gains: +97 HP \u0026amp; +54 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\" lang=\"EN-US\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (Hand Held Tuner) allows you the unlimited ability to switch between tuned and stock ECU programming without ECU removal!\u003c\/p\u003e\n\u003cp\u003eRENNtech’s proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be re-flashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning the C167 - GLE 63 AMG Coupe EQ Boost gains up to \u003cstrong\u003e+97 HP\u003c\/strong\u003e and \u003cstrong\u003e+54 LB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GLE 63 S AMG EQ Boost+ is \u003cstrong\u003e745 HP\u003c\/strong\u003e and \u003cstrong\u003e767 LB-FT\u003c\/strong\u003e. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLE 63 S AMG EQ Boost (MY2021-2023 | C293 | M177 | 4.0L V8 BiTurbo EQ Boost) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:                        \u003cb\u003e603 \u003c\/b\u003eHP @ 5,750rpm-6,500rpm; \u003cstrong\u003e627\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech:\u003c\/strong\u003e               \u003cb\u003e648 \u003c\/b\u003eHP @ 5,800rpm; \u003cb\u003e713 \u003c\/b\u003eLB-FT @ 3,600rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGLE 63 S AMG EQ Boost (MY2021-2023 | C293 | M177 | 4.0L V8 BiTurbo EQ Boost) \u003c\/strong\u003e\u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e745 \u003c\/b\u003eHP\u003c\/span\u003e @ 6,250rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e767 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 3,700rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              618 whp @ 6,250rpm; 637 wtq @ 3,700rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003ca rel=\"noopener noreferrer\" href=\"images\/stories\/virtuemart\/product\/RENNtech_293-GLE63_web.jpg\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46987426038016,"sku":"54.167C.GLE63EQ","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1_ee5e2128-b5cf-419d-a0a7-ec53ae591654.webp?v=1768946941"},{"product_id":"renntech-ecu-upgrade-w166-gle-43-amg-suv-400-hp-440-lb-ft-m276-3-0l-v6-biturbo-my2016-1","title":"RENNtech ECU+ Upgrade | 167 | GLS \/ GLE 580 EQ Boost | 592 HP \/ 704 LB-FT | 4.0L V8 BiTurbo EQ Boost | M176 | MY2020-2023","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 592 HP \/ 704 LB-FT | Gains: +68 HP \u0026amp; +120 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (Hand Held Tuner) is the number one ECU programmer for Mercedes-Benz and AMG. Do it yourself tuning, no ECU removal or mechanical modifications necessary!\u003c\/p\u003e\n\u003cp\u003eRENNtech’s proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be re-flashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning gains up to \u003cstrong\u003e+68 HP\u003c\/strong\u003e and \u003cstrong\u003e+120 LB-FT \u003c\/strong\u003e(13% increase), based on power numbers measured by RENNtech. Please note that the Mercedes M176 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GLS 580S EQ Boost+ is \u003cstrong\u003e592 HP\u003c\/strong\u003e and \u003cstrong\u003e704 LB-FT\u003c\/strong\u003e. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M176 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLS 580 EQ Boost (MY2020+ | X167 | M176 | 4.0L V8 BiTurbo EQ Boost) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:                        \u003cb\u003e483 \u003c\/b\u003eHP @ 5,500rpm-6,500rpm; \u003cb\u003e516 \u003c\/b\u003eLB-FT @ 2,000 - 4000 rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech:\u003c\/strong\u003e               524 HP @ 5,670rpm; 584\u003cb\u003e \u003c\/b\u003eLB-FT @ 3,000rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M176 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLS 580 EQ Boost (MY2021+ | X167 | M176 | 4.0L V8 BiTurbo EQ Boost)\u003c\/strong\u003e \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e592 \u003c\/b\u003eHP\u003c\/span\u003e @ 5,110 rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e704 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 2,870 rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              491 whp @ 5,1100 rpm; 585 wtq @ 2,870 rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003ca href=\"images\/stories\/virtuemart\/product\/RENNtech_167-GLE63_web.jpg\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" title=\"YouTube video player\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46987457986816,"sku":"54.167.GLS580BT","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002_b212ddb4-6c20-42a5-8cab-f27cec5c9e20.jpg?v=1757089665"},{"product_id":"renntech-ecu-upgrade-v167-gle-63-amg-eq-boost-745hp-767lb-ft-4-0l-v8-biturbo-eq-boost-m177-my2021","title":"RENNtech ECU+ Upgrade | V167 | GLE 63 AMG EQ Boost | 745HP \/ 767LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023","description":"\u003cp bis_size='{\"x\":12,\"y\":9,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":9}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":9,\"w\":468,\"h\":18,\"abs_x\":12,\"abs_y\":9}'\u003eECU+ Upgrade | Up to 745 HP \/ 767 LB-FT | Gains: +97 HP \u0026amp; +54 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":45,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":45}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":80,\"w\":555,\"h\":39,\"abs_x\":12,\"abs_y\":80}'\u003eRENNtech HHT (Hand Held Tuner) allows you the unlimited ability to switch between tuned and stock ECU programming without ECU removal!\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":136,\"w\":555,\"h\":78,\"abs_x\":12,\"abs_y\":136}'\u003eRENNtech’s proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be re-flashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":230,\"w\":555,\"h\":98,\"abs_x\":12,\"abs_y\":230}'\u003eWith the proprietary RENNtech ECU Tuning the V167 - GLE 63 S AMG EQ Boost gains up to \u003cstrong bis_size='{\"x\":28,\"y\":250,\"w\":49,\"h\":18,\"abs_x\":28,\"abs_y\":250}'\u003e+97 HP\u003c\/strong\u003e and \u003cstrong bis_size='{\"x\":108,\"y\":250,\"w\":67,\"h\":18,\"abs_x\":108,\"abs_y\":250}'\u003e+54 LB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GLS 63 S AMG EQ Boost+ is \u003cstrong bis_size='{\"x\":386,\"y\":308,\"w\":47,\"h\":18,\"abs_x\":386,\"abs_y\":308}'\u003e745 HP\u003c\/strong\u003e and \u003cstrong bis_size='{\"x\":464,\"y\":308,\"w\":65,\"h\":18,\"abs_x\":464,\"abs_y\":308}'\u003e767 LB-FT\u003c\/strong\u003e. \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":344,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":344}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":380,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":380}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":12,\"y\":380,\"w\":42,\"h\":18,\"abs_x\":12,\"abs_y\":380}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":380,\"w\":42,\"h\":18,\"abs_x\":12,\"abs_y\":380}'\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":12,\"y\":415,\"w\":555,\"h\":254,\"abs_x\":12,\"abs_y\":415}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":415,\"w\":515,\"h\":58,\"abs_x\":52,\"abs_y\":415}'\u003e\u003cem bis_size='{\"x\":52,\"y\":415,\"w\":506,\"h\":57,\"abs_x\":52,\"abs_y\":415}'\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":474,\"w\":515,\"h\":58,\"abs_x\":52,\"abs_y\":474}'\u003e\u003cem bis_size='{\"x\":52,\"y\":474,\"w\":499,\"h\":57,\"abs_x\":52,\"abs_y\":474}'\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":533,\"w\":515,\"h\":58,\"abs_x\":52,\"abs_y\":533}'\u003e\u003cem bis_size='{\"x\":52,\"y\":533,\"w\":489,\"h\":57,\"abs_x\":52,\"abs_y\":533}'\u003eNumbers \u003cem bis_size='{\"x\":52,\"y\":533,\"w\":489,\"h\":57,\"abs_x\":52,\"abs_y\":533}'\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":592,\"w\":515,\"h\":39,\"abs_x\":52,\"abs_y\":592}'\u003e\u003cem bis_size='{\"x\":52,\"y\":592,\"w\":505,\"h\":37,\"abs_x\":52,\"abs_y\":592}'\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":631,\"w\":515,\"h\":39,\"abs_x\":52,\"abs_y\":631}'\u003e\u003cem bis_size='{\"x\":52,\"y\":631,\"w\":481,\"h\":37,\"abs_x\":52,\"abs_y\":631}'\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":12,\"y\":684,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":684}'\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\" bis_size='{\"x\":12,\"y\":720,\"w\":555,\"h\":795,\"abs_x\":12,\"abs_y\":720}'\u003e\n\u003cdiv class=\"power_numbers\" bis_size='{\"x\":12,\"y\":720,\"w\":555,\"h\":656,\"abs_x\":12,\"abs_y\":720}'\u003e\n\u003ctable bis_size='{\"x\":12,\"y\":720,\"w\":555,\"h\":656,\"abs_x\":12,\"abs_y\":720}'\u003e\n\u003ctbody bis_size='{\"x\":14,\"y\":722,\"w\":550,\"h\":651,\"abs_x\":14,\"abs_y\":722}'\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":722,\"w\":550,\"h\":651,\"abs_x\":14,\"abs_y\":722}'\u003e\n\u003ctd bis_size='{\"x\":14,\"y\":722,\"w\":550,\"h\":651,\"abs_x\":14,\"abs_y\":722}'\u003e\n\u003cp bis_size='{\"x\":16,\"y\":724,\"w\":546,\"h\":19,\"abs_x\":16,\"abs_y\":724}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":724,\"w\":218,\"h\":18,\"abs_x\":16,\"abs_y\":724}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":724,\"w\":218,\"h\":18,\"abs_x\":16,\"abs_y\":724}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":724,\"w\":214,\"h\":18,\"abs_x\":16,\"abs_y\":724}'\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":16,\"y\":759,\"w\":546,\"h\":19,\"abs_x\":16,\"abs_y\":759}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":16,\"y\":795,\"w\":546,\"h\":39,\"abs_x\":16,\"abs_y\":795}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":795,\"w\":538,\"h\":37,\"abs_x\":16,\"abs_y\":795}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":795,\"w\":538,\"h\":37,\"abs_x\":16,\"abs_y\":795}'\u003eGLE 63 AMG EQ Boost (MY2021+ | V167 | M177 | 4.0L V8 BiTurbo EQ Boost) \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":16,\"y\":795,\"w\":538,\"h\":37,\"abs_x\":16,\"abs_y\":795}'\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":16,\"y\":850,\"w\":546,\"h\":235,\"abs_x\":16,\"abs_y\":850}'\u003e\n\u003cli bis_size='{\"x\":56,\"y\":850,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":850}'\u003eRated by \u003cstrong bis_size='{\"x\":114,\"y\":850,\"w\":100,\"h\":18,\"abs_x\":114,\"abs_y\":850}'\u003eMercedes-Benz\u003c\/strong\u003e:                        \u003cb bis_size='{\"x\":310,\"y\":850,\"w\":28,\"h\":18,\"abs_x\":310,\"abs_y\":850}'\u003e603 \u003c\/b\u003eHP @ 5,750rpm-6,500rpm; \u003cstrong bis_size='{\"x\":506,\"y\":850,\"w\":24,\"h\":18,\"abs_x\":506,\"abs_y\":850}'\u003e627\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/li\u003e\n\u003cli bis_size='{\"x\":56,\"y\":889,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":889}'\u003eDyno measured by \u003cstrong bis_size='{\"x\":176,\"y\":889,\"w\":70,\"h\":18,\"abs_x\":176,\"abs_y\":889}'\u003eRENNtech:\u003c\/strong\u003e               \u003cb bis_size='{\"x\":304,\"y\":889,\"w\":28,\"h\":18,\"abs_x\":304,\"abs_y\":889}'\u003e648 \u003c\/b\u003eHP @ 5,800rpm; \u003cb bis_size='{\"x\":436,\"y\":889,\"w\":28,\"h\":18,\"abs_x\":436,\"abs_y\":889}'\u003e713 \u003c\/b\u003eLB-FT @ 3,600rpm\u003c\/li\u003e\n\u003cli bis_size='{\"x\":56,\"y\":929,\"w\":506,\"h\":156,\"abs_x\":56,\"abs_y\":929}'\u003e\n\u003cul bis_size='{\"x\":56,\"y\":929,\"w\":506,\"h\":156,\"abs_x\":56,\"abs_y\":929}'\u003e\n\u003cli bis_size='{\"x\":96,\"y\":929,\"w\":466,\"h\":117,\"abs_x\":96,\"abs_y\":929}'\u003e\u003cspan bis_size='{\"x\":96,\"y\":929,\"w\":464,\"h\":116,\"abs_x\":96,\"abs_y\":929}'\u003e\u003cem bis_size='{\"x\":96,\"y\":929,\"w\":464,\"h\":116,\"abs_x\":96,\"abs_y\":929}'\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":96,\"y\":1046,\"w\":466,\"h\":39,\"abs_x\":96,\"abs_y\":1046}'\u003e\u003cem bis_size='{\"x\":96,\"y\":1046,\"w\":454,\"h\":37,\"abs_x\":96,\"abs_y\":1046}'\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":16,\"y\":1099,\"w\":546,\"h\":19,\"abs_x\":16,\"abs_y\":1099}'\u003e\u003cspan bis_size='{\"x\":16,\"y\":1099,\"w\":3,\"h\":18,\"abs_x\":16,\"abs_y\":1099}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1099,\"w\":3,\"h\":18,\"abs_x\":16,\"abs_y\":1099}'\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong bis_size='{\"x\":20,\"y\":1099,\"w\":3,\"h\":18,\"abs_x\":20,\"abs_y\":1099}'\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":16,\"y\":1135,\"w\":546,\"h\":39,\"abs_x\":16,\"abs_y\":1135}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":1135,\"w\":518,\"h\":37,\"abs_x\":16,\"abs_y\":1135}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1135,\"w\":518,\"h\":37,\"abs_x\":16,\"abs_y\":1135}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1135,\"w\":518,\"h\":18,\"abs_x\":16,\"abs_y\":1135}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1135,\"w\":518,\"h\":18,\"abs_x\":16,\"abs_y\":1135}'\u003eGLE 63 AMG EQ Boost (MY2021+ | V167 | M177 | 4.0L V8 BiTurbo EQ Boost)\u003c\/strong\u003e \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":16,\"y\":1155,\"w\":148,\"h\":18,\"abs_x\":16,\"abs_y\":1155}'\u003eModified Performance\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":16,\"y\":1190,\"w\":546,\"h\":78,\"abs_x\":16,\"abs_y\":1190}'\u003e\n\u003cli bis_size='{\"x\":56,\"y\":1190,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":1190}'\u003eRated by \u003cstrong bis_size='{\"x\":114,\"y\":1190,\"w\":166,\"h\":18,\"abs_x\":114,\"abs_y\":1190}'\u003eRENNtech \u003cem bis_size='{\"x\":185,\"y\":1190,\"w\":95,\"h\":18,\"abs_x\":185,\"abs_y\":1190}'\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":337,\"y\":1190,\"w\":45,\"h\":18,\"abs_x\":337,\"abs_y\":1190}'\u003e\u003cb bis_size='{\"x\":337,\"y\":1190,\"w\":28,\"h\":18,\"abs_x\":337,\"abs_y\":1190}'\u003e745 \u003c\/b\u003eHP\u003c\/span\u003e @ 6,250rpm; \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":469,\"y\":1190,\"w\":62,\"h\":18,\"abs_x\":469,\"abs_y\":1190}'\u003e\u003cb bis_size='{\"x\":469,\"y\":1190,\"w\":28,\"h\":18,\"abs_x\":469,\"abs_y\":1190}'\u003e767 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 3,700rpm\u003c\/li\u003e\n\u003cli bis_size='{\"x\":56,\"y\":1229,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":1229}'\u003e\u003cspan bis_size='{\"x\":56,\"y\":1229,\"w\":489,\"h\":37,\"abs_x\":56,\"abs_y\":1229}'\u003eRated by \u003cstrong bis_size='{\"x\":114,\"y\":1229,\"w\":168,\"h\":18,\"abs_x\":114,\"abs_y\":1229}'\u003eRENNtech \u003cem bis_size='{\"x\":185,\"y\":1229,\"w\":97,\"h\":18,\"abs_x\":185,\"abs_y\":1229}'\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              618 whp @ 6,250rpm; 637 wtq @ 3,700rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul bis_size='{\"x\":16,\"y\":1283,\"w\":546,\"h\":39,\"abs_x\":16,\"abs_y\":1283}'\u003e\n\u003cul bis_size='{\"x\":56,\"y\":1283,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":1283}'\u003e\n\u003cli bis_size='{\"x\":96,\"y\":1283,\"w\":466,\"h\":39,\"abs_x\":96,\"abs_y\":1283}'\u003e\u003cspan bis_size='{\"x\":96,\"y\":1283,\"w\":445,\"h\":37,\"abs_x\":96,\"abs_y\":1283}'\u003e\u003cem bis_size='{\"x\":96,\"y\":1283,\"w\":445,\"h\":37,\"abs_x\":96,\"abs_y\":1283}'\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\" bis_size='{\"x\":12,\"y\":1494,\"w\":555,\"h\":20,\"abs_x\":12,\"abs_y\":1494}'\u003e\u003ca rel=\"noopener noreferrer\" href=\"images\/stories\/virtuemart\/product\/RENNtech_167-GLE63_web.jpg\" bis_size='{\"x\":12,\"y\":1495,\"w\":0,\"h\":18,\"abs_x\":12,\"abs_y\":1495}' target=\"_blank\"\u003e\u003cimg bis_size='{\"x\":12,\"y\":1494,\"w\":0,\"h\":0,\"abs_x\":12,\"abs_y\":1494}'\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1515,\"w\":555,\"h\":312,\"abs_x\":12,\"abs_y\":1515}'\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\" bis_size='{\"x\":12,\"y\":1515,\"w\":555,\"h\":312,\"abs_x\":12,\"abs_y\":1515}' bis_id=\"fr_lrg3h939vh9jryk7n8ishm\" bis_depth=\"1\" bis_chainid=\"1\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46987470536960,"sku":"54.167V.GLE63EQ","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002_4f4de7a4-91a4-4a92-8974-4a1de793f04f.jpg?v=1757090363"},{"product_id":"renntech-ecu-upgrade-x167-gls-63-s-amg-eq-boost-745-hp-767-lb-ft-4-0l-v8-biturbo-eq-boost-m177-my2021","title":"RENNtech ECU+ Upgrade | X167 | GLS 63 S AMG EQ Boost | 745 HP \/ 767 LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023","description":"\u003cp bis_size='{\"x\":12,\"y\":9,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":9}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":9,\"w\":464,\"h\":18,\"abs_x\":12,\"abs_y\":9}'\u003eECU+ Upgrade | Up to 745HP \/ 767 LB-FT | Gains: +97 HP \u0026amp; +54 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":45,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":45}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":80,\"w\":555,\"h\":39,\"abs_x\":12,\"abs_y\":80}'\u003eRENNtech HHT (Hand Held Tuner) allows you the unlimited ability to switch between tuned and stock ECU programming without ECU removal!\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":136,\"w\":555,\"h\":78,\"abs_x\":12,\"abs_y\":136}'\u003eRENNtech’s proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be re-flashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":230,\"w\":555,\"h\":98,\"abs_x\":12,\"abs_y\":230}'\u003eWith the proprietary RENNtech ECU Tuning the X167 - GLS 63 AMG Coupe EQ Boost gains up to \u003cstrong bis_size='{\"x\":85,\"y\":249,\"w\":49,\"h\":18,\"abs_x\":85,\"abs_y\":249}'\u003e+97 HP\u003c\/strong\u003e and \u003cstrong bis_size='{\"x\":165,\"y\":249,\"w\":67,\"h\":18,\"abs_x\":165,\"abs_y\":249}'\u003e+54 LB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GLS 63 S AMG EQ Boost+ is \u003cstrong bis_size='{\"x\":386,\"y\":308,\"w\":47,\"h\":18,\"abs_x\":386,\"abs_y\":308}'\u003e745 HP\u003c\/strong\u003e and \u003cstrong bis_size='{\"x\":464,\"y\":308,\"w\":65,\"h\":18,\"abs_x\":464,\"abs_y\":308}'\u003e767 LB-FT\u003c\/strong\u003e. \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":344,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":344}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":379,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":379}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":415,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":415}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":12,\"y\":415,\"w\":42,\"h\":18,\"abs_x\":12,\"abs_y\":415}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":415,\"w\":42,\"h\":18,\"abs_x\":12,\"abs_y\":415}'\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":12,\"y\":451,\"w\":555,\"h\":254,\"abs_x\":12,\"abs_y\":451}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":451,\"w\":515,\"h\":58,\"abs_x\":52,\"abs_y\":451}'\u003e\u003cem bis_size='{\"x\":52,\"y\":451,\"w\":506,\"h\":57,\"abs_x\":52,\"abs_y\":451}'\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":509,\"w\":515,\"h\":58,\"abs_x\":52,\"abs_y\":509}'\u003e\u003cem bis_size='{\"x\":52,\"y\":509,\"w\":499,\"h\":57,\"abs_x\":52,\"abs_y\":509}'\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":568,\"w\":515,\"h\":58,\"abs_x\":52,\"abs_y\":568}'\u003e\u003cem bis_size='{\"x\":52,\"y\":568,\"w\":489,\"h\":57,\"abs_x\":52,\"abs_y\":568}'\u003eNumbers \u003cem bis_size='{\"x\":52,\"y\":568,\"w\":489,\"h\":57,\"abs_x\":52,\"abs_y\":568}'\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":627,\"w\":515,\"h\":39,\"abs_x\":52,\"abs_y\":627}'\u003e\u003cem bis_size='{\"x\":52,\"y\":627,\"w\":505,\"h\":37,\"abs_x\":52,\"abs_y\":627}'\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":666,\"w\":515,\"h\":39,\"abs_x\":52,\"abs_y\":666}'\u003e\u003cem bis_size='{\"x\":52,\"y\":666,\"w\":481,\"h\":37,\"abs_x\":52,\"abs_y\":666}'\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":12,\"y\":719,\"w\":555,\"h\":19,\"abs_x\":12,\"abs_y\":719}'\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\" bis_size='{\"x\":12,\"y\":755,\"w\":555,\"h\":795,\"abs_x\":12,\"abs_y\":755}'\u003e\n\u003cdiv class=\"power_numbers\" bis_size='{\"x\":12,\"y\":755,\"w\":555,\"h\":656,\"abs_x\":12,\"abs_y\":755}'\u003e\n\u003ctable bis_size='{\"x\":12,\"y\":755,\"w\":555,\"h\":656,\"abs_x\":12,\"abs_y\":755}'\u003e\n\u003ctbody bis_size='{\"x\":14,\"y\":757,\"w\":550,\"h\":651,\"abs_x\":14,\"abs_y\":757}'\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":757,\"w\":550,\"h\":651,\"abs_x\":14,\"abs_y\":757}'\u003e\n\u003ctd bis_size='{\"x\":14,\"y\":757,\"w\":550,\"h\":651,\"abs_x\":14,\"abs_y\":757}'\u003e\n\u003cp bis_size='{\"x\":16,\"y\":759,\"w\":546,\"h\":19,\"abs_x\":16,\"abs_y\":759}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":759,\"w\":218,\"h\":18,\"abs_x\":16,\"abs_y\":759}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":759,\"w\":218,\"h\":18,\"abs_x\":16,\"abs_y\":759}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":759,\"w\":214,\"h\":18,\"abs_x\":16,\"abs_y\":759}'\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":16,\"y\":795,\"w\":546,\"h\":19,\"abs_x\":16,\"abs_y\":795}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":16,\"y\":830,\"w\":546,\"h\":39,\"abs_x\":16,\"abs_y\":830}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":830,\"w\":510,\"h\":37,\"abs_x\":16,\"abs_y\":830}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":830,\"w\":510,\"h\":37,\"abs_x\":16,\"abs_y\":830}'\u003eGLS 63 S AMG EQ Boost (MY2021+ | X167 | M177 | 4.0L V8 BiTurbo EQ Boost) \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":16,\"y\":850,\"w\":124,\"h\":18,\"abs_x\":16,\"abs_y\":850}'\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":16,\"y\":886,\"w\":546,\"h\":235,\"abs_x\":16,\"abs_y\":886}'\u003e\n\u003cli bis_size='{\"x\":56,\"y\":886,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":886}'\u003eRated by \u003cstrong bis_size='{\"x\":114,\"y\":886,\"w\":100,\"h\":18,\"abs_x\":114,\"abs_y\":886}'\u003eMercedes-Benz\u003c\/strong\u003e:                        \u003cb bis_size='{\"x\":310,\"y\":886,\"w\":28,\"h\":18,\"abs_x\":310,\"abs_y\":886}'\u003e603 \u003c\/b\u003eHP @ 5,750rpm-6,500rpm; \u003cstrong bis_size='{\"x\":506,\"y\":886,\"w\":24,\"h\":18,\"abs_x\":506,\"abs_y\":886}'\u003e627\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/li\u003e\n\u003cli bis_size='{\"x\":56,\"y\":925,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":925}'\u003eDyno measured by \u003cstrong bis_size='{\"x\":176,\"y\":925,\"w\":70,\"h\":18,\"abs_x\":176,\"abs_y\":925}'\u003eRENNtech:\u003c\/strong\u003e               \u003cb bis_size='{\"x\":304,\"y\":925,\"w\":28,\"h\":18,\"abs_x\":304,\"abs_y\":925}'\u003e648 \u003c\/b\u003eHP @ 5,800rpm; \u003cb bis_size='{\"x\":436,\"y\":925,\"w\":28,\"h\":18,\"abs_x\":436,\"abs_y\":925}'\u003e713 \u003c\/b\u003eLB-FT @ 3,600rpm\u003c\/li\u003e\n\u003cli bis_size='{\"x\":56,\"y\":964,\"w\":506,\"h\":156,\"abs_x\":56,\"abs_y\":964}'\u003e\n\u003cul bis_size='{\"x\":56,\"y\":964,\"w\":506,\"h\":156,\"abs_x\":56,\"abs_y\":964}'\u003e\n\u003cli bis_size='{\"x\":96,\"y\":964,\"w\":466,\"h\":117,\"abs_x\":96,\"abs_y\":964}'\u003e\u003cspan bis_size='{\"x\":96,\"y\":964,\"w\":464,\"h\":116,\"abs_x\":96,\"abs_y\":964}'\u003e\u003cem bis_size='{\"x\":96,\"y\":964,\"w\":464,\"h\":116,\"abs_x\":96,\"abs_y\":964}'\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":96,\"y\":1082,\"w\":466,\"h\":39,\"abs_x\":96,\"abs_y\":1082}'\u003e\u003cem bis_size='{\"x\":96,\"y\":1082,\"w\":454,\"h\":37,\"abs_x\":96,\"abs_y\":1082}'\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":16,\"y\":1135,\"w\":546,\"h\":19,\"abs_x\":16,\"abs_y\":1135}'\u003e\u003cspan bis_size='{\"x\":16,\"y\":1135,\"w\":3,\"h\":18,\"abs_x\":16,\"abs_y\":1135}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1135,\"w\":3,\"h\":18,\"abs_x\":16,\"abs_y\":1135}'\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong bis_size='{\"x\":20,\"y\":1135,\"w\":3,\"h\":18,\"abs_x\":20,\"abs_y\":1135}'\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":16,\"y\":1170,\"w\":546,\"h\":39,\"abs_x\":16,\"abs_y\":1170}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":16,\"y\":1170,\"w\":531,\"h\":37,\"abs_x\":16,\"abs_y\":1170}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1170,\"w\":531,\"h\":37,\"abs_x\":16,\"abs_y\":1170}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1170,\"w\":531,\"h\":18,\"abs_x\":16,\"abs_y\":1170}'\u003e\u003cstrong bis_size='{\"x\":16,\"y\":1170,\"w\":531,\"h\":18,\"abs_x\":16,\"abs_y\":1170}'\u003eGLS 63 S AMG EQ Boost (MY2021+ | X167 | M177 | 4.0L V8 BiTurbo EQ Boost)\u003c\/strong\u003e \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":16,\"y\":1190,\"w\":148,\"h\":18,\"abs_x\":16,\"abs_y\":1190}'\u003eModified Performance\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul bis_size='{\"x\":16,\"y\":1226,\"w\":546,\"h\":78,\"abs_x\":16,\"abs_y\":1226}'\u003e\n\u003cli bis_size='{\"x\":56,\"y\":1226,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":1226}'\u003eRated by \u003cstrong bis_size='{\"x\":114,\"y\":1226,\"w\":166,\"h\":18,\"abs_x\":114,\"abs_y\":1226}'\u003eRENNtech \u003cem bis_size='{\"x\":185,\"y\":1226,\"w\":95,\"h\":18,\"abs_x\":185,\"abs_y\":1226}'\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":337,\"y\":1226,\"w\":45,\"h\":18,\"abs_x\":337,\"abs_y\":1226}'\u003e\u003cb bis_size='{\"x\":337,\"y\":1226,\"w\":28,\"h\":18,\"abs_x\":337,\"abs_y\":1226}'\u003e745 \u003c\/b\u003eHP\u003c\/span\u003e @ 6,250rpm; \u003cspan style=\"color: #ff0000;\" bis_size='{\"x\":469,\"y\":1226,\"w\":62,\"h\":18,\"abs_x\":469,\"abs_y\":1226}'\u003e\u003cb bis_size='{\"x\":469,\"y\":1226,\"w\":28,\"h\":18,\"abs_x\":469,\"abs_y\":1226}'\u003e767 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 3,700rpm\u003c\/li\u003e\n\u003cli bis_size='{\"x\":56,\"y\":1265,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":1265}'\u003e\u003cspan bis_size='{\"x\":56,\"y\":1265,\"w\":489,\"h\":37,\"abs_x\":56,\"abs_y\":1265}'\u003eRated by \u003cstrong bis_size='{\"x\":114,\"y\":1265,\"w\":168,\"h\":18,\"abs_x\":114,\"abs_y\":1265}'\u003eRENNtech \u003cem bis_size='{\"x\":185,\"y\":1265,\"w\":97,\"h\":18,\"abs_x\":185,\"abs_y\":1265}'\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              618 whp @ 6,250rpm; 637 wtq @ 3,700rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul bis_size='{\"x\":16,\"y\":1318,\"w\":546,\"h\":39,\"abs_x\":16,\"abs_y\":1318}'\u003e\n\u003cul bis_size='{\"x\":56,\"y\":1318,\"w\":506,\"h\":39,\"abs_x\":56,\"abs_y\":1318}'\u003e\n\u003cli bis_size='{\"x\":96,\"y\":1318,\"w\":466,\"h\":39,\"abs_x\":96,\"abs_y\":1318}'\u003e\u003cspan bis_size='{\"x\":96,\"y\":1318,\"w\":445,\"h\":37,\"abs_x\":96,\"abs_y\":1318}'\u003e\u003cem bis_size='{\"x\":96,\"y\":1318,\"w\":445,\"h\":37,\"abs_x\":96,\"abs_y\":1318}'\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\" bis_size='{\"x\":12,\"y\":1530,\"w\":555,\"h\":20,\"abs_x\":12,\"abs_y\":1530}'\u003e\u003ca rel=\"noopener noreferrer\" href=\"images\/stories\/virtuemart\/product\/RENNtech_167-GLE63_web.jpg\" bis_size='{\"x\":12,\"y\":1531,\"w\":0,\"h\":18,\"abs_x\":12,\"abs_y\":1531}' target=\"_blank\"\u003e\u003cimg bis_size='{\"x\":12,\"y\":1530,\"w\":0,\"h\":0,\"abs_x\":12,\"abs_y\":1530}'\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1551,\"w\":555,\"h\":312,\"abs_x\":12,\"abs_y\":1551}'\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\" bis_size='{\"x\":12,\"y\":1551,\"w\":555,\"h\":312,\"abs_x\":12,\"abs_y\":1551}' bis_id=\"fr_09qbnuhhrkj4bzj0cw9h85\" bis_depth=\"1\" bis_chainid=\"7\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46987505598720,"sku":"54.167.GLS63EQ","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002_4f4de7a4-91a4-4a92-8974-4a1de793f04f.jpg?v=1757090363"},{"product_id":"renntech-ecu-upgrade-gle-580-eq-boost-592-hp-704-lb-ft-gains-68-hp-120-lb-ft-my2020","title":"RENNtech ECU+ Upgrade | GLE 580 EQ Boost | 592 HP \/ 704 LB-FT | Gains: +68 HP \u0026 +120 LB-FT | MY2020-2023","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU+ Upgrade | GLE 580 EQ Boost | W167 | 4.0L V8 BiTurbo EQ Boost | M176 | MY2020-2023\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (Hand Held Tuner) is the number one ECU programmer for Mercedes-Benz and AMG. Do it yourself tuning, with no ECU removal or mechanical modifications necessary!\u003c\/p\u003e\n\u003cp\u003eRENNtech’s proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be re-flashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning the W167 - GLE 580 EQ Boost gains up to \u003cstrong\u003e+68 HP\u003c\/strong\u003e and \u003cstrong\u003e+120 LB-FT \u003c\/strong\u003e(13% increase), based on power numbers measured by RENNtech. Please note that the Mercedes M176 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GLE 580 EQ Boost+ is \u003cstrong\u003e592 HP\u003c\/strong\u003e and \u003cstrong\u003e704 LB-FT\u003c\/strong\u003e. \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M176 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLE 580 EQ Boost (MY2020+) | W167 | M176 | 4.0L V8 BiTurbo EQ Boost) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:                      \u003cb\u003e483 \u003c\/b\u003eHP @ 5,500rpm-6,500rpm; \u003cb\u003e516 \u003c\/b\u003eLB-FT @ 2,000 - 4000 rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech:\u003c\/strong\u003e               524 HP @ 5,670rpm; 584\u003cb\u003e \u003c\/b\u003eLB-FT @ 3,000rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M176 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLE 580 EQ Boost (MY2020+) | W167 | M176 | 4.0L V8 BiTurbo EQ Boost)\u003c\/strong\u003e \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e592 \u003c\/b\u003eHP\u003c\/span\u003e @ 5,110 rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e704 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 2,870 rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              491 whp @ 5,1100 rpm; 585 wtq @ 2,870 rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003ca href=\"images\/stories\/virtuemart\/product\/RENNtech_167-GLE63_web.jpg\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" title=\"YouTube video player\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":47003795161344,"sku":"54.167V.GLE580BT","price":2780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002_b212ddb4-6c20-42a5-8cab-f27cec5c9e20.jpg?v=1757089665"},{"product_id":"renntech-evm-exhaust-valve-module-1","title":"RENNtech EVM | Exhaust Valve Module | 463 - G 63 AMG MY2019+ | G550 MY2018+","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Exhaust Valve Module | Permanently Open Exhaust Flaps. 463 - G 63 AMG and G550\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18pt;\"\u003e\u003cstrong\u003eEVM - Exhaust Valve Module (Remote Controlled)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNOT SO FUN FACT:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your Mercedes-AMG is equipped with factory exhaust valves, with or without a center console button to open or close them, factory settings do \u003cspan style=\"text-decoration: underline;\"\u003eNOT\u003c\/span\u003e allow the flaps to fully open unless certain speed and\/or RPM have been reached. For example, while cruising the exhaust flaps will never fully open!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTHE EVM SOLUTION:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech’s Exhaust Valve Module, (EVM) gives you complete control over the exhaust sound of your exhaust regardless of speed, RPM or driving mode! The Exhaust Valve Module allows you to fully open the exhaust valves of the AMG Sport Exhaust by pressing \u003cem\u003eButton 1\u003c\/em\u003e on the remote control, and to return to factory settings by pressing \u003cem\u003eButton 2\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp\u003eThe RENNtech Exhaust Valve Module is made in Germany.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAdvantages of RENNtech’s EVM:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eActivation completely independent regardless of drive mode\n\u003cul\u003e\n\u003cli\u003eOverride your cars factory exhaust flap setting with the push of a button.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eEVM does not engage with CAN-Bus\n\u003cul\u003e\n\u003cli\u003eNo interference with any control units.\u003c\/li\u003e\n\u003cli\u003eSoftware updates do not interfere with the functionality of the EVM exhaust valve module.\u003c\/li\u003e\n\u003cli\u003eNo cutting wires, no damage to factory cables, fully reversible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eIncluded:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Exhaust Valve Module\u003c\/li\u003e\n\u003cli\u003e2 x Remote Controls (\u003cem\u003eButton 1\u003c\/em\u003e fully open, \u003cem\u003eButton 2\u003c\/em\u003e back to factory)\u003c\/li\u003e\n\u003cli\u003eWiring harness (model specific)\u003c\/li\u003e\n\u003cli\u003eInstallation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFitment:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eW463 - G 550 MY2018+\u003c\/li\u003e\n\u003cli\u003eW463 - G 63 AMG MY2019+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003e*Before Placing Order, Confirm If Your Car Is Equipped with Factory Exhaust Valves*\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eThe RENNtech EVM is placed in the trunk, no hard wiring necessary.\u003c\/li\u003e\n\u003cli\u003eFor extra convenience, the EVM is programmed so once the exhaust valves stay fully open in Position 1 (Button 1). Valves will stay open even when the car is turned off and restarted. The EVM will ONLY revert to factory setting by pressing Button 2.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":47005260546304,"sku":"49.463.906.40","price":780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/EVM-2020-H_b9dcabb2-1afe-4eab-91ea-696a76cd9bae.jpg?v=1770655824"},{"product_id":"renntech-evm-exhaust-valve-module-2","title":"RENNtech EVM | Exhaust Valve Module | 172 - SLC 43 AMG; 253 - GLC AMG Models SUV + Coupe","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Exhaust Valve Module | Permanently Open Exhaust Flaps. 172 - SLC 43 AMG; 253 - GLC AMG Models SUV + Coupe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18pt;\"\u003e\u003cstrong\u003eEVM - Exhaust Valve Module (Remote Controlled)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNOT SO FUN FACT:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your Mercedes-AMG is equipped with factory exhaust valves, with or without a center console button to open or close them, factory settings do \u003cspan style=\"text-decoration: underline;\"\u003eNOT\u003c\/span\u003e allow the flaps to fully open unless certain speed and\/or RPM have been reached. For example, while cruising the exhaust flaps will never fully open!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTHE EVM SOLUTION:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech’s Exhaust Valve Module, (EVM) gives you complete control over the exhaust sound of your exhaust regardless of speed, RPM or driving mode! The Exhaust Valve Module allows you to fully open the exhaust valves of the AMG Sport Exhaust by pressing \u003cem\u003eButton 1\u003c\/em\u003e on the remote control, and to return to factory settings by pressing \u003cem\u003eButton 2\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp\u003eThe RENNtech Exhaust Valve Module is made in Germany.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAdvantages of RENNtech’s EVM:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eActivation completely independent regardless of drive mode\n\u003cul\u003e\n\u003cli\u003eOverride your cars factory exhaust flap setting with the push of a button.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eEVM does not engage with CAN-Bus\n\u003cul\u003e\n\u003cli\u003eNo interference with any control units.\u003c\/li\u003e\n\u003cli\u003eSoftware updates do not interfere with the functionality of the EVM exhaust valve module.\u003c\/li\u003e\n\u003cli\u003eNo cutting wires, no damage to factory cables, fully reversible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eIncluded:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Exhaust Valve Module\u003c\/li\u003e\n\u003cli\u003e2 x Remote Controls (\u003cem\u003eButton 1\u003c\/em\u003e fully open, \u003cem\u003eButton 2\u003c\/em\u003e back to factory)\u003c\/li\u003e\n\u003cli\u003eWiring harness (model specific)\u003c\/li\u003e\n\u003cli\u003eInstallation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFitment:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eR172 - SLC 43 AMG\u003c\/li\u003e\n\u003cli\u003eX253 - GLC 43 AMG SUV\u003cstrong\u003e\u003c\/strong\u003e | *Needs to be equipped with optional performance exhaust\/factory valves*\u003c\/li\u003e\n\u003cli\u003eX253 - GLC 63 AMG SUV | MY2015-19\u003c\/li\u003e\n\u003cli\u003eX253 - GLC 63 S AMG SUV | MY2015-19\u003c\/li\u003e\n\u003cli\u003eC253 - GLC 43 AMG Coupe | *Needs to be equipped with optional performance exhaust\/factory valves*\u003c\/li\u003e\n\u003cli\u003eC253 - GLC 63 AMG Coupe | MY2015-19\u003c\/li\u003e\n\u003cli\u003eC253 - GLC 63 S AMG Coupe | MY2015-19\u003c\/li\u003e\n\u003cli\u003eR172 - SLK55 AMG | MY 2011 - 15\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003e*Before Placing Order, Confirm If Your Car Is Equipped with Factory Exhaust Valves*\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eThe RENNtech EVM is placed in the trunk, no hard wiring necessary.\u003c\/li\u003e\n\u003cli\u003eFor extra convenience, the EVM is programmed so once the exhaust valves stay fully open in Position 1 (Button 1). Valves will stay open even when the car is turned off and restarted. The EVM will ONLY revert to factory setting by pressing Button 2.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":47005264642304,"sku":"49.253.906.40","price":620.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/EVM-2020-H_3202acad-05c5-401b-b089-46b5d48ec677.jpg?v=1770655854"},{"product_id":"renntech-performance-module-rpm-m177-63-amg-2024-167-290","title":"RENNtech Performance Module | RPM | M177 | 63 AMG | +69HP \/ +39LB-FT | MY2024-2026 | X167 | X290","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Power Module ECU-Upgrade for Mercedes-AMG 2024+ GLE63, GLS63 , GT63(X290)\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech Power Module (RPM) ECU -tune increases horsepower and torque across the entire power band, modifying ignition timing, throttle mapping, optimizing air-to-fuel-ratios.\u003c\/p\u003e\n\u003cp\u003eThe RPM is contained in a CNC machined 6061 aluminum case with pre-labeled wires and connectors. The RPM comes with a bypass that can be installed in place of the module for quickly turning the vehicle back to stock. The harness can be uninstalled for returning the vehicle back to stock.\u003c\/p\u003e\n\u003cp\u003eThrough our 30+ years of ECU tuning experience, countless hours of in-house R\u0026amp;D, and long-term testing the RPM ECU upgrade offers the best in quality, performance, and reliability. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePOWER:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMercedes-AMG GLE 63 2024\u003cbr\u003e\u003c\/strong\u003eFactory Figures: 668 HP 702LB-FT\u003cstrong\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eRPM Tuned: 737HP | 741LB-FT\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003eGains up to: +69HP | +39LB FT\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFITMENT:\u003c\/strong\u003e\u003cbr\u003eMercedes-AMG GLE 63 2024+\u003cbr\u003eMercedes-AMG GLS 63 2024+\u003cbr\u003eMercedes-AMG GT63 (X290)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003ePower figures are calculated with a 16% drivetrain loss for AWD 9-speed vehicles.\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":47680971669760,"sku":"54.177.RPM.LS263","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/RT-Piggyback-5_4074e945-2d40-47c9-b03b-bbeeb67b0177.jpg?v=1757576506"}],"url":"https:\/\/store.renntechmercedes.com\/es\/collections\/labor-day-sale.oembed","provider":"RENNtech Inc","version":"1.0","type":"link"}