Mercedes-Benz 2011 GL-Class Operator's Manual page 237

Brakes
Display messages
ABS
ABS, ESP
Unavailable See
Operator's Manual
ABS
ABS, ESP
Inoperative See
Operator's Manual
Possible causes/consequences and M Solutions
G
Risk of accident
ABS (Anti-lock Brake System) and ESP
Program) and therefore also PRE-SAFE
unavailable. The self-diagnosis function might not be complete,
for example.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X
Carefully drive a short distance making slight steering
movements at a speed above 12 mph (20 km/h)
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X
Drive on carefully.
X
Visit a qualified specialist workshop.
G
Risk of accident
®
ABS, ESP and therefore also PRE-SAFE
undervoltage. BAS has also been deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X
Drive on carefully.
X
Visit a qualified specialist workshop immediately.
G
Risk of accident
®
ABS, ESP and therefore also PRE-SAFE
a malfunction. BAS has also been deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X
Drive on carefully.
X
Visit a qualified specialist workshop immediately.
Display messages
®
(Electronic Stability
®
are temporarily
®
are not available due to
®
are not available due to
235
Z