RENNtech | ECU+ Upgrade | C63 /S AMG | Sedan | W205 | 601 HP / 657 LB-FT | 4.0L BiTurbo V8 | M177 | MY2015-2021 mercedes-benz-sls-amg-gt--197---2012-2014--esr9215445 Rated by RENNtech: 638 HP

Rated by RENNtech:               638 HP @ 5

0L V8 BiTurbo) Modified Performance (at crank):

This front splitter is a fully functional aerodynamic component as well as an aggressive exterior enhancement on the muscular CLS

Performance Tests: Vehicle Upgrades 0-60mph 0-100mph 60-130mph 1/4 Mile ET Trap Speed W213 - E63 AMG S Wagon Stock w/Launch Control

RENNtech | ECU+ Upgrade | C63 /S AMG | Sedan | W205 | 601 HP / 657 LB-FT | 4.0L BiTurbo V8 | M177 | MY2015-2021 mercedes-benz-sls-amg-gt--197---2012-2014--esr9215445 Rated by RENNtech: 638 HPECU+ Upgrade 601HP 657TQ Gains: +56HP +107TQ RENNtech tuning products are certified to meet CARB standards in all 50 States. 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