2010 Mercedes-Benz CL550 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2010 Mercedes-Benz CL550

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2010 Mercedes-Benz CL550 Problems

Oil Seepage on Back of the Cylinder Heads

The Mercedes Benz CL550 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. In most cases this condition will leave the vehicle stranded and require replacement of the drive selector module.

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2010 Mercedes-Benz CL550 Questions

cost of replacing a bumper (1 answer)

I hit a friends merecedez in the front bumper and need to know how much it'll be to fix

Are there any known engine problems with the CL550 model, MY 2007 through 2010? (1 answer)

please, also what is the engine configuration on the engine in the CL550, prior to 2011.

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