RENNtech ECU Upgrade | C207 | E 550 Coupé 2014+ | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 bentley-continental-gt-speed--2021-2024--6-0l-w12-tsi-esr9500514

RENNtech ECU Upgrade | C207 | E 550 Coupé 2014+ | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 bentley-continental-gt-speed--2021-2024--6-0l-w12-tsi-esr9500514RENNtech ECU Upgrade for 207 E 550 BiTurbo 2014+ FaceLift. Up to 540HP and 705 LB 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 few

Easy Grip Base Taller base ensures a better grip

RENNtech V3 DLM Module Specifications:

Stock with Eventuri (Runs 13 and 14) : 13 - 558

Equipped with drag radials on the CLS we were able to achieve an even more impressive quarter mile time

CLS 53 AMG

Stock: 503 HP | 461 LB-FT

RENNtech Lowering Kit for the 190 - AMG GT-S

up to an astonishing 392 HP and 463 lb/ft at the crank

Combined with RENNTECH's ECU software our CL 63 down pipes create an incredible sound with performance to match

5" in the front and 1

RENNtech’s Bumperette Delete features an OEM level of quality with a perfect fitment in the bumper of the AMG GT Series

517 HP @ 6