RENNtech ECU+ Upgrade | W212 | E 550 | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2016 mercedes-benz-cls-class--218---2015-2018--cls-550-biturbo-esr2270978 With the proprietary RENNtech ECU

With the proprietary RENNtech ECU Tuning the C190 AMG GT gains up to +95 HP and +131 LB-FT

38 sec 118 mph *If not otherwise noted

Titanium bolts are used to mount the Strut Brace to the top of the strut towers

the OEM Wing Base and Spoiler Deactivation module are required

RENNtech ECU+ Upgrade | W212 | E 550 | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2016 mercedes-benz-cls-class--218---2015-2018--cls-550-biturbo-esr2270978 With the proprietary RENNtech ECUECU+ Upgrade 540HP 705LB FT Gains: +105HP +262LB 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 minutes and the vehicle can be