Mercedes-Benz B-Class Quiz
Driving and parking

LED bulb failure monitoring

In this manual: Driving and parking
Introduction — 16At a glance — 11Safety — 27Opening and closing — 33Seats, steering wheel and mirrors — 21Lighting and windshield wipers — 25Air conditioning — 27Driving and parking — 66On-board computer and displays — 35Storage and other — 21Maintenance and care — 10Flat tire assistance — 26Wheels and tires — 26Technical data — 22
~1min read
A fault message may appear in the multifunction display even though the LED bulbs fitted to the trailer are working correctly. The fault message may be displayed because the minimum current of 50 mA is not reached.

To reliably detect a bulb failure, a minimum current of 50 mA must be ensured for each LED group of the trailer lighting.

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A quick Mercedes-Benz B-Class quiz: every answer comes with an explanation and a link to the manual page.