2010 Mercedes-Benz GLK350 4MATIC Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2010 Mercedes-Benz GLK350 4MATIC

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2010 Mercedes-Benz GLK350 4MATIC Problems

The Power Steering Fluid Reservoir Leaks

The power steering reservoir designed for the Mercedes Benz GLK350 4Matic commonly leaks power steering fluid causing a screeching sound when turning the steering wheel, especially when the vehicle is stopped. The power steering light may illuminate on the dash for more severe leaks.

This is caused by cracking in the plastic reservoir, or a hardened, brittle seal between the power steering reservoir and power steering pump.

Remediation involves replacing the power steering fluid reservoir, power steering fluid, bleeding the system of air, and replacement of the seal between the reservoir and power steering pump.

Oil Seepage on Back of the Cylinder Heads

The Mercedes Benz GLK350 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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2010 Mercedes-Benz GLK350 4MATIC Questions

oil message to check oil. (2 answers)

85k mi. Changed oil, after 2k mi. Message says check oil. Checked oil none on dip stick. Added oil to normal level. 3 weeks later and minimal miles driven, same message. Checked oil and none reading. Cranked engine to check running and it started showing half on dip stick. Why was it dry when c...

How to remove service b notification from view (1 answer)

No Starting after negative battery disconnected (3 answers)

Everything works

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2010 Mercedes-Benz GLK350 4MATIC Recalls

Passenger Frontal Air Bag Inflator Ruptures On Deployment

The passenger frontal air bag inflator may rupture on deployment, causing metal fragments to come through the air bag and injure occupants. Dealers will replace the passenger frontal air bag module free of charge to resolve the concern.

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.

Air Bags Unexpectedly Deploy Or Do Not Function When Needed

The air bag control unit may corrode and cause it to malfunction, resulting in air bags that deploy when not intended, or do not deploy at all in an accident. Dealers will inspect and replace the air bag control unit as needed free of charge to resolve the concern.

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