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Mercedes-Benz E550 Problems

Find the most common issues based on Mercedes-Benz E550 owner complaints.

Most Common Mercedes-Benz E550 Problems

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 f...
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...
Lack of audio or cell phone functionality may be related to the failure of the audio gateway module.
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2 Known Mercedes-Benz E550 Brakes Problems

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...
It is not uncommon to encounter premature failure of the anti-lock brake system (ABS) modulator assembly due to dirty brake fluid. Our technicians recommend flushing the brake fluid every two years...

3 Known Mercedes-Benz E550 Drive Train Problems

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 f...
A vibration felt through the center floor of the vehicle can be caused by driveshaft flex discs, which crack and shred, causing excessive driveshaft movement. Not repairing these can cause damage ...
High mileage or older vehicles commonly develop leaks from the differential seals and/or cover. Our technicians recommend a complete reseal of the differential unit whenever these leaks are repaired.

5 Known Mercedes-Benz E550 Electrical & Lights Problems

Lack of audio or cell phone functionality may be related to the failure of the audio gateway module.
Water can damage the weight sensor in the front, passenger seat, causing the SRS (airbag) light to illuminate. There is an electrical component in the seat cushion susceptible to fluid damage. Any...
The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement of the failed switch should correct this concern.

3 Known Mercedes-Benz E550 Engine Problems

The camshaft adjuster solenoid (which is related to the variable valve timing system) may fail or timing chain/balance shaft components may wear, resulting in illumination of the Check Engine Light...
The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.
The Mercedes Benz E550 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 ar...

0 Known Mercedes-Benz E550 Exhaust & Emissions Problems

1 Known Mercedes-Benz E550 Heating & Air Conditioning Problem

A failed digital heater control valve can cause a lack of heat output from the climate control system.

0 Known Mercedes-Benz E550 Maintenance Problems

2 Known Mercedes-Benz E550 Miscellaneous Problems

The cup holder in the center console may break.
The release tab for the center console can fall off unexpectedly.

3 Known Mercedes-Benz E550 Suspension & Steering Problems

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...
Irregular and premature tire wear can be caused by the front thrust link bushings cracking and causing excessive movement in the suspension. The thrust link bushings are fluid-filled (to help reduc...
Rear air springs (bellows) may develop leaks, which causes the air pump to run more often to maintain ride height. Our technicians recommend that leaking air springs be replaced.

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Known Mercedes-Benz E550 Problems & Complaints

The camshaft adjuster solenoid (which is related to the variable valve timing system) may fail or timing chain/balance shaft components may wear, resulting in illumination of the Check Engine Light...
Water can damage the weight sensor in the front, passenger seat, causing the SRS (airbag) light to illuminate. There is an electrical component in the seat cushion susceptible to fluid damage. Any...
The release tab for the center console can fall off unexpectedly.
A failed digital heater control valve can cause a lack of heat output from the climate control system.
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