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Problems for specific Mercedes-Benz E320 years:

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Most reported 2004 Mercedes-Benz E320 problems

 

Verified for the Mercedes-Benz E320

Instrument cluster displays tend to fail, especially the clock and gear indicators. Our technicians tell us the instrument cluster will require replacement to correct this issue.

87 Reports
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Verified for the Mercedes-Benz E320

The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance.

69 Reports
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Verified for the Mercedes-Benz E320

The cup holder in the center console may break.

56 Reports
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Verified for the Mercedes-Benz E320

A squeak from the steering column is often related to a rubber boot in the column or a seal in the power steering rack.

30 Reports
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Verified for the Mercedes-Benz E320

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

14 Reports
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Verified for the Mercedes-Benz E320

Leaks may develop from the differential cover and/or seals on high mileage or older vehicles. Our technicians recommend a complete reseal of the differential unit if these leaks are addressed.

13 Reports
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Verified for the Mercedes-Benz E320

An engine oil leak may develop from the oil level sensor. Replacement of the leaking sensor will commonly correct this concern.

12 Reports
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Verified for the Mercedes-Benz E320

The release tab for the center console can fall off unexpectedly.

11 Reports
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Verified for the Mercedes-Benz E320

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 spills should be dried up immediately in order to try and prevent damage to the sensor.

10 Reports
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Verified for the Mercedes-Benz E320

An engine Oil leak may develop from the PCV vent housing on the valve cover and/or the inspection plate on the front of the engine.

10 Reports
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Verified for the Mercedes-Benz E320

Due to exposure to the sun, lenses for head lights may become opaque (cloudy or hazy). This reduces the effectiveness of the lights. Our technicians tell us plastic polishes can improve the clarity of the lenses, but replacement of the lamp housings is the only way to regain the full intensity of the lights.

9 Reports
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Verified for the Mercedes-Benz E320

The rubber bond in the harmonic balancer can decay, which causes the balancer to move and work its way toward the timing cover. If the balancer comes into contact with the timing cover while the engine is running, it will fracture and damage the cover and potentially other surrounding parts. The harmonic balancer should be inspected at every service.

9 Reports
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Verified for the Mercedes-Benz E320

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 module. At that point, a new harness and control module may be necessary to correct this problem.

9 Reports
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Verified for the Mercedes-Benz E320

The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement of the failed switch should correct this concern.

9 Reports
Me Too

Verified for the Mercedes-Benz E320

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.

8 Reports
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