Mercedes-Benz

Warning/indicator lamp

Problem	Possible causes/effects andSolutions
The brake system yellow warning lamp lights up while the engine is on.	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. Drive carefully at an adjusted speed and at a sufficient distance from the vehicle in front. If the multifunction display shows a display message, comply with it. Visit a qualified specialist workshop.

Problem

Possible causes/effects andSolutions

The brake system yellow warning lamp lights up while the engine is on.

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.

Drive carefully at an adjusted speed and at a sufficient distance from the vehicle in front.

If the multifunction display shows a display message, comply with it.

Visit a qualified specialist workshop.