Looks like doing the EVOSport pulleys, ECU flash, headers, and upgraded cooler added about 60whp and 60ft/lbs of torque! Apparently EVOSport has never done this on a CL55 as the kit is always fitted on SL’s. Well, it is all dialed and lets say this is one car to put on the purchase list!
Check EVOSport products for your Mercedes here – https://www.vividracing.com/catalog/evosport-m-205.html