Problem: The air flap opening system in some Mercedes-Benz vehicles are prone to breaking. This problem occurs in 2005-2015 vehicles with V6 M272 and V8 M273 engines.
When the pivot lever and actuator rod break the following problems occur: Failure of the Swirl Flap System Reduces throttle power Greatly reduces MPG efficiency. Engine Fault Codes Damage to Emission Control Equipment
Solution: There is no need to replace the entire intake manifold as often suggested by the dealer. Save time and money by simply replacing the lever and arms.