Mercedes-Benz

Warning/indicator lamps

Problem	Possible causes/effects andsolutions
The yellow brake system warning lamp is lit while the engine is running.	WARNING Risk of an accident due to a brake system malfunction If the brake system is malfunctioning, braking characteristics may be impaired. Drive on carefully. Have the brake system checked immediately at a qualified specialist workshop. Adjust your speed and drive on carefully, leaving a suitable distance to the vehicle in front. If the multifunction display shows a display message, observe it. Consult a qualified specialist workshop.

Problem

Possible causes/effects andsolutions

The yellow brake system warning lamp is lit while the engine is running.

WARNING Risk of an accident due to a brake system malfunction

If the brake system is malfunctioning, braking characteristics may be impaired.

Drive on carefully.

Have the brake system checked immediately at a qualified specialist workshop.

Adjust your speed and drive on carefully, leaving a suitable distance to the vehicle in front.

If the multifunction display shows a display message, observe it.

Consult a qualified specialist workshop.