2007 Mercedes-Benz E550 4MATIC Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2007 Mercedes-Benz E550 4MATIC

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2007 Mercedes-Benz E550 4MATIC Problems

Airmatic Pump Motor May Fail Due to Sticking Relay

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.

Squeaking/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).

Oil Seepage on Back of the Cylinder Heads

The Mercedes Benz E550 4Matic may have engine oil seeping or leaking from the back of the cylinder heads. This is commonly misdiagnosed as leaking valve covers.

On the back of the cylinder heads there are three, in total, plastic expansion plugs that plug access ports to the camshafts. These plugs are well known for seeping oil, and leaking if left unattended. The oil will run down the back of the engine and eventually make it to the ground. 

Replacement of these three plastic plugs is extremely simple, and should be done as regular maintenance. The recommended interval for replacement is every 60,000 miles.

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2007 Mercedes-Benz E550 4MATIC Questions

My car has 77000 miles; how much is considered acceptable oil consumption? (1 answer)

I use it for commuting and there is a fair amount of stop-and-go driving.

I keep getting the diagnostic code G and do not know what it means. (1 answer)

car alarm keeps going off. keyless entry does not work sometimes.

what are original size rims for E550 mercedes-benz 2007 4 matic (1 answer)

what are original size rims for E550 mercedes-benz 2007 4 matic

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2007 Mercedes-Benz E550 4MATIC Reviews

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Great daily driver.

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