RENNtech ECU Upgrade for CLS 550 | C219 | 402 HP / 405 LB-FT | M273 BiTurbo | MY2007-2011 mercedes-benz-c-class--204-sedan---2008-2014--c-63--amg-black-series-esr3194090 0L V6 Turbo Diesel) Stock

0L V6 Turbo Diesel) Stock Performance (at crank):

CLS (C 219) 350 CGI [2 Filters Required] (HP: 292 | Year: 06 > 10)

RENNtech V3 DLM Module Specifications:

These parts were designed and engineered in house by RENNtech and are fully functional components that feature unmistakably unique styling for the AMG GT Black Series

CLASS GLK (X 204) 350 4-matic [2 Filters Required] (HP: 272 | Year: 08 >)

RENNtech ECU Upgrade for CLS 550 | C219 | 402 HP / 405 LB-FT | M273 BiTurbo | MY2007-2011 mercedes-benz-c-class--204-sedan---2008-2014--c-63--amg-black-series-esr3194090 0L V6 Turbo Diesel) StockRENNtech ECU Upgrade for 219 CLS 550, up to 402HP, 405LB FT. Gains: +20HP & 14LB FT RENNtech M273 Biturbo ECU Upgrades RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our 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