Mercedes-Benz

Warning/indicator lamp

Problem	Possible causes/effects andSolutions
The ABS yellow warning lamp lights up while the engine is on.	ABS is malfunctioning. If an additional warning tone sounds, this means the EBD is malfunctioning. Other driving systems and driving safety systems may also be malfunctioning. WARNING There is risk of skidding if EBD or ABS is malfunctioning If EBD or ABS is malfunctioning, the wheels could lock when braking The steering capability and braking characteristics are thus severely impaired. The braking distance may increase in an emergency braking situation. In addition, other driving safety systems are switched off. Drive on carefully. Have the brake system checked immediately at a qualified specialist workshop. Continue driving carefully. Read the messages on the multifunction display. Visit a qualified specialist workshop.

Problem

Possible causes/effects andSolutions

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

ABS is malfunctioning.

If an additional warning tone sounds, this means the EBD is malfunctioning.

Other driving systems and driving safety systems may also be malfunctioning.

WARNING There is risk of skidding if EBD or ABS is malfunctioning

If EBD or ABS is malfunctioning, the wheels could lock when braking

The steering capability and braking characteristics are thus severely impaired. The braking distance may increase in an emergency braking situation. In addition, other driving safety systems are switched off.

Drive on carefully.

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

Continue driving carefully.

Read the messages on the multifunction display.

Visit a qualified specialist workshop.