Warning/indicatorlamp
Q QSignal type
Possible causes/consequences and P PSolutions
% QThe yellow ABS warning lamp is lit while the engine is running.
ABS is temporarily unavailable. Therefore, BAS, Active Brake Assist, ESP®, EBD(electronic brake force distribution), the HOLD function and hill start assist, forexample, are also deactivated.
Possible causes are:
RSelf-diagnosis is not yet complete
RThe on-board voltage may be insufficient
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the functions lis-ted above. The front and rear wheels could therefore lock if you perform a fullbrake application, for example.
The steerability and braking characteristics may be severely affected. The brak-ing distance in an emergency braking situation can increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There is a risk of an accident.
XCarefully drive a suitable distance, making slight steering movements at aspeed above 12 mph (20 km/h).The functions mentioned above are available again when the warning lampgoes out.
If the warning lamp is still on:
XObserve the additional display messages in the multifunction display.
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
% QThe yellow ABS warning lamp is lit while the engine is running. A warningtone also sounds.
EBD is malfunctioning. Therefore, ABS, BAS, Active Brake Assist, ESP®, theHOLD function and hill start assist, for example, are not available either.
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the functions lis-ted above. The front and rear wheels could therefore lock if you perform a fullbrake application, for example.
The steerability and braking characteristics may be severely affected. The brak-ing distance in an emergency braking situation can increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additional display messages in the multifunction display.
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
234Warning and indicator lamps in the instrument cluster
On-board computer and displays
