Mercedes GLS 166 – GLS 550 BiTurbo
RENNtech ECU+ Upgrade | X166 | GLS 550 | 540HP / 705TQ | 4.7L V8 BiTurbo | M278
ECU+ Upgrade | 540HP / 705LB-FT | Gains: +66HP / +167LB-FT
RENNtech ECU Upgrade | X166 | GLS 550 | 500HP / 605TQ | 4.7L V8 BiTurbo | M278
ECU Upgrade | 500HP / 605LB-FT | Gains: +26HP / +67LB-FT
RENNtech | Hand-Held Suspension Module | GLC / GLE / GLS | SUV and Coupe
RENNtech HSM | Digital Suspension Lowering Module for the GLC, GLE and GLS – SUV and Coupe
