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77hp / 494
CLASS E (W 212) 350 CGI Blue Efficiency [2 Filters Required] (HP: 292 | Year: 09 > 11)
Gains: +73HP & +85TQ
C190 - AMG GT R
We have found the M176 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz
RENNtech ECU Upgrade | SL 65 AMG | R231 | 735HP/836LB-FT | 6.0L BiTurbo V12 | M279 mercedes-benz-glc-class-coupe--253---2016-present--glc-63-amg-esr1091906 77hp / 494RENNtech ECU Upgrade for 231 SL 65 AMG. Up to 735HP and 836LB FT. Gains: +114HP & +100LB FT 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 ECU. Programming takes only a