The rear bulb warning message may be displayed on Mercedes-Benz ML320 BLUETEC

The rear bulb warning message may be displayed even if the rear bulbs appear to be functioning correctly. This can be caused by a poor connection between the bulb housing and the socket. Our technicians recommend to "hard wire" the socket to the housing, eliminating the contacts as an issue.

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Average mileage: 80,000 (80,000–80,000)
1 model year affected: 2009
2 people reported this problem
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