Headlights Problems of Mercedes Benz ML350

Mercedes Benz ML350 owners have reported 6 problems related to headlights (under the exterior lighting category). The most recently reported issues are listed below.

1 Headlights problem of the 2008 Mercedes Benz ML350

Failure Date: 01/01/2018

Due to a faulty right taillamp seal, water got into a control module and damaged it beyond repair. I woke up and walked outside to see my headlights flashing and upon further inspection my key fob not working, srs disabled, and many other miscellaneous electronic components disabled. Some time before this, the motor to the rear hatch stopped working, possibly for the same reason.

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2 Headlights problem of the 2004 Mercedes Benz ML350

Failure Date: 09/18/2017

Discovered brittle, broken and missing wiring insulation on the headlight wiring inside the headlamp assembly. This was a dangerous situation that allowed the positive and negative wires to come in contact with each other creating a short.

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3 Headlights problem of the 2004 Mercedes Benz ML350

Failure Date: 02/20/2016

During a routine change of a headlight lamp, the maintenance technician discover that the insulation on all four wires in the left front headlight assembly were cracked, disintegrating and missing leaving the bare wires exposed. The maintenance technician would not change the bulb until a new wiring harness was fabricated and the discrepancy was corrected. This is a dangerous situation. The bare wires are in an enclosed headlamp assembly, contacting flammable materials. A short in these wires can lead to system failures, overheating and fire in the headlamp area. Recommend a recall for inspection and if this discrepancy is discovered, recommend an immediate replacement of the wires in the headlamp assembly.

4 Headlights problem of the 2008 Mercedes Benz ML350

Failure Date: 08/04/2014

The contact owns a 2008 Mercedes Benz Ml350. The contact stated that the control module that is located under the spare tire was damaged. There was a red light that illuminated on the instrument panel. The passenger door warning light illuminated on the instrument panel. The interior lights and headlights flashed on and off. The manufacturer was contacted. The vehicle was taken to the dealer who stated that the headlight gasket and control unit sam module were faulty and needed to be replaced. The repairs were completed on the vehicle. The failure mileage was 133,500.

5 Headlights problem of the 2012 Mercedes Benz ML350

Failure Date: 01/01/2013

The headlights are really dim. It's hard to see the curb in the night when driving from a road with no curb and entering a road with curb,.

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6 Headlights problem of the 2012 Mercedes Benz ML350

Failure Date: 01/19/2012

The contact owns a 2012 mercedes-benz Ml350. The contact stated that head light would not illuminate beyond twenty five feet, making night time driving very difficult. The contact took the vehicle to the dealer and the dealer could not determine that there was a defect. The contact stated that he had to utilize the high beam headlights when driving at night. The failure mileage was 40,000.


Other Common Exterior Lighting related problems of Mercedes Benz ML350



ML350 Service Bulletins
ML350 Defect Investigations