The relay which turns the airmatic suspension pump on may fail causing the pump to run continuously. This can result in failure of the pump motor or a dead battery as the pump motor will continue to run after the car is turned off. Also, Worn airmatic pump mount bushings can causes noises in the front axle while driving on bumpy roads or a buzzing noise while the pump is running.
Resources for the Repair and Maintenance of your 2010 Mercedes-Benz E550 4MATIC
2010 Mercedes-Benz E550 4MATIC
2010 Mercedes-Benz E550 4MATIC Problems
Due to the size and material used on the brakes of these vehicles, the brakes may start to squeak around the 50 percent wear point. The brake rotor surfaces become uneven, causing a lip to form at the outer edge of the rotor. Because of this, the rotors are usually replaced when the pads are worn (pad life varies depending on driving style and terrain).
Lack of audio or cell phone functionality may be related to the failure of the audio gateway module.
The early versions of the central gateway module (which allows different systems to communicate with each other) have software problems.
Water can damage the weight sensor in the front, passenger seat, causing the SRS (airbag) light to illuminate. There is an electrical component in the seat cushion susceptible to fluid damage. Any spills should be dried up immediately in order to try and prevent damage to the sensor.
2010 Mercedes-Benz E550 4MATIC Recalls (Recent)
RepairPal Expert Overview:
Mercedes Benz is recalling 2010 C-Class, model 204; E-Class, model 212; and 2010–2011 E-Class Coupe/Cabriolet, model 207 vehicles due to a loss of power steering fluid that could result in power steering system failure. Owners may not have sufficient control of the vehicle in areas like parking lots, thus increasing the chance of a crash. Dealers will check and re-torque the connection fitting, free of charge.