More Power on this Mercedes CLS550 4.7L Bi-Turbo VRTuned.com January 15, 2016 Product Info Every since our workings with the Project CLS63, we have had a strong love for this super sedan. Equally as beautiful, the CLS550 4.7L V8 Bi-Turbo just needs a little more grunt to get it past the stock 402...
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...
