{"title":"CLK 63 AMG | 209 | M156 | 6.3L V8 NA | MY 06-10","description":"","products":[{"product_id":"renntech-ecu-hand-held-tuner-hht-clk-63-amg-c209-517hp-485lb-ft-6-3l-n-a-m156","title":"RENNtech ECU Hand Held Tuner | HHT | CLK 63 AMG | C209 | 517HP\/485LB-FT | 6.3L N\/A | M156 | MY2007-2009","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU HHT (HandHeldTuner) for the 209 - CLK 63 AMG. Up to 517HP and 485LB-FT LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +39HP \u0026amp; +20LB-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\u003eThe RENNtech 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\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\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 1980's! 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\u003e\u003cstrong\u003eCLK 63 AMG (W209) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e478 HP @ 6800 RPM; 465 LB-FT @ 5000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e517 HP @ 6800 RPM; 485 LB-FT @ 5200 RPM\u003c\/li\u003e\n\u003c\/ul\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":46645088190720,"sku":"54.209.CLK63","price":1640.0,"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/collections\/badge_clk63__95214.original.jpg?v=1758648271","url":"https:\/\/store.renntechmercedes.com\/collections\/clk-63-amg-209-m156-6-3l-v8-na-my-06-10.oembed","provider":"RENNtech Inc","version":"1.0","type":"link"}