2013 Mercedes-Benz E350 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2013 Mercedes-Benz E350

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2013 Mercedes-Benz E350 Problems

Oil Seepage on Back of the Cylinder Heads

The Mercedes Benz E350 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.

The Power Steering Fluid Reservoir Leaks

The power steering reservoir designed for the Mercedes Benz E350 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.

Rough Shifting of Automatic Transmission

Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. Our technicians tell us this is due to an internal component failure. Mercedes has released updated parts; the transmission will need to be removed and disassembled to complete the necessary repairs.

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2013 Mercedes-Benz E350 Questions

I have had to replace the battery in my car three times already. Why? (1 answer)

I ensure that all of the lights are off and the doors,trunk lid, radio and a/c are all off whenever I park the car. Nevertheless, the car failed to start on three separate occasions. Fortunately, these failures occured at home. I had to call Roadside Assistance.['

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2013 Mercedes-Benz E350 Recalls

Rubber Seal Under Hood Detaches And Causes Fire Hazard

A rubber seal at the back of the engine bay may stick to the hood and then fall into the engine compartment, possibly contacting hot exhaust components and causing a fire hazard. Dealers will attach additional retainer clips to the rubber seal free of charge to resolve the concern.

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