Mercedes CLS 63 AMG 5.5L BiTurbo ECU Remap
Mercedes Benz CLS 63 (2013) 5.5 BiTurbo V8 - Developed 549 to 640 bhp with torque 531 to 600 Lbft. In it's standard form, the CLS 63 - packs some pretty big bhp numbers from the 5.5 BiTurbo Engine. Celtic Tuning - looking to improve further, giving a 17% power increase, free'ing the engine [...]