Safety systems
Warning/indicatorlamp
Q QSignal type
Possible causes/consequences and P PSolutions
' M Q '(USA only) or M(Canada only): the red brake system warning lampis lit while the engine is running. A warning tone also sounds.
GWARNING
There is not enough brake fluid in the brake fluid reservoir.
The braking effect may be impaired.
There is a risk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying attention toroad and traffic conditions. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 134).
XDo not add brake fluid. Adding more will not correct the malfunction.
XConsult a qualified specialist workshop.
XObserve the additional display messages in the multifunction display.
' QUSA only: the red brake system warning lamp is lit while the engine is run-ning. The multifunction display also shows a display message with the &symbol.
The brake pads/linings have reached their wear limit.
XVisit a qualified specialist workshop.
% QThe yellow ABS warning lamp is lit while the engine is running.
ABS (anti-lock braking system) is malfunctioning.
If there is an additional warning tone, the EBD (electronic brake force distribu-tion) is malfunctioning.
Other driving systems and driving safety systems may also malfunction.
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.
If the ABS control unit is defective, there is also a possibility that other systems,such as the navigation system or the automatic transmission, will not be availa-ble.
210Warning and indicator lamps
On-board computer and displays
