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Mercedes-Benz E320 BLUETEC Problems

Find the most common issues based on Mercedes-Benz E320 BLUETEC owner complaints.

Most Common Mercedes-Benz E320 BLUETEC Problems

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.
The early versions of the central gateway module (which allows different systems to communicate with each other) have software problems.
Lack of audio or cell phone functionality may be related to the failure of the audio gateway module.
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Common Mercedes-Benz E320 BLUETEC Repair Estimates

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3 Known Mercedes-Benz E320 BLUETEC Brakes Problems

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...
This vehicle has sensotronic brake control (SBC). If the SBC light on the dash illuminates, have the brakes checked. If the SBC is not working, limited brake pressure is delivered to the front brak...
The brakes may begin to squeak at about the 50 percent wear point. This is due to the size and material used for the brake pads and rotors. The brake rotor surfaces become uneven, causing a lip t...

3 Known Mercedes-Benz E320 BLUETEC Drive Train Problems

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.
The electrical connector at the automatic transmission may leak fluid into the wiring harness. If not repaired, the oil will migrate through the wiring harness and damage the transmission control...
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 ...

5 Known Mercedes-Benz E320 BLUETEC Electrical & Lights Problems

The early versions of the central gateway module (which allows different systems to communicate with each other) have software 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...

0 Known Mercedes-Benz E320 BLUETEC Engine Problems

0 Known Mercedes-Benz E320 BLUETEC Exhaust & Emissions Problems

1 Known Mercedes-Benz E320 BLUETEC 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 E320 BLUETEC Maintenance Problems

2 Known Mercedes-Benz E320 BLUETEC 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 E320 BLUETEC Suspension & Steering Problems

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...
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...
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 E320 BLUETEC Problems & Complaints

A failed digital heater control valve can cause a lack of heat output from the climate control system.
This vehicle has sensotronic brake control (SBC). If the SBC light on the dash illuminates, have the brakes checked. If the SBC is not working, limited brake pressure is delivered to the front brak...
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