2011 Mercedes-Benz E550 4MATIC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2011 Mercedes-Benz E550 4MATIC
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2011 Mercedes-Benz E550 4MATIC ProblemsSqueaking/Worn Brake Pads May Require Rotor Replacement Also
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).
2011 Mercedes-Benz E550 4MATIC Questionswhere do you check to see if engine needs oil. (2 answers)
I notice only one port for adding oil located at firewall
2011 Mercedes-Benz E550 4MATIC RecallsDriver's Frontal Air Bag Inflator Ruptures And Sprays Metal Fragments
The driver's frontal air bag inflator may deploy the air bag with excessive pressure, resulting in the inflator rupturing and causing metal debris to be sprayed onto vehicle occupants. Dealers will replace the driver's frontal air bag module free of charge to resolve the concern.