2010 Mercedes-Benz GL550 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2010 Mercedes-Benz GL550

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2010 Mercedes-Benz GL550 Problems

Oil Seepage on Back of the Cylinder Heads

The Mercedes Benz GL550 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.

Transmission May not Shift into Drive Due to Failed Selector Module

The transmission drive selector module may fail resulting in the loss of gear selection capability. This condition can leave the vehicle stranded, and will require replacement of the drive selector module.

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2010 Mercedes-Benz GL550 Recalls

Driver'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.

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2010 Mercedes-Benz GL550 Reviews

Rated
based on 1 customer reviews
This is a high-quality truck in all respects. Handles very well, good turning radius, comfortable, attractive inside and out. Expensive to run and repair but, I knew that up front. Although it is a luxury vehicle as opposed to a work vehicle, there is a ton of space with both 2nd and 3rd rows of seats down. It is a pleasure to drive.

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