Mercedes CLS550 V8 Bi-Turbo Powerful ECU Tuning VRTuned.com January 14, 2016 Product Info The Mercedes CLS550 M278 engine is huge power plant for the large sporty sedan. The 4.663 liter V8 Bi-Turbo engine produces 402 bhp while matched with a 7 speed automatic transmission. Driving this car...
Mercedes CLS550 Bi-Turbo ECU Upgrade to Gain 80bhp VRTuned.com June 30, 2015 Product Info Standing straight down the strip looking at the front of the CLS550 and CLS63, only the well versed Benz enthusiast will know which is faster. The CLS550 comes with the 4.6-liter V8 that boasts twin...
