{"title":"CLK 55 AMG - 209","description":"","products":[{"product_id":"renntech-ecu-hand-held-tuner-hht-for-clk-55-c209-380-hp-395-lb-ft","title":"RENNtech ECU Hand Held Tuner (HHT) for CLK 55 C209 | 380 HP \/ 395 LB-FT | MY2003-2006","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU HHT (HandHeldTuner) for the 209 - CLK 55 AMG. Up to 380HP and 395 LB-FT LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +18HP \u0026amp; +17LB-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. 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