Mercedes-Benz G 55 AMG, Operator'S Manual

Page: 183 / 284

Problem Possible causes/consequences and
M
Solutions
!
The yellow ABS warning
lamp is lit while the
engine is running.
G
Risk of accident
ABS (Anti-lock Brake System) is deactivated due to a malfunction.
Therefore, BAS (Brake Assist), ESP
®
(Electronic Stability Program),
EBD (electronic brake force distribution) and 4ETS are also
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
Observe the additional display messages in the multifunction
display.
X
Drive on carefully.
X
Visit a qualified specialist workshop.
If the ABS control unit is defective, other systems, such as the
navigation system or the automatic transmission, may also be
unavailable.
!
The yellow ABS warning
lamp is lit while the
engine is running.
G
Risk of accident
The on-board voltage is too low. ABS has been deactivated due to
undervoltage.
ESP
®
, BAS, EBD and 4ETS are therefore also deactivated, 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
Observe the additional display messages in the multifunction
display.
X
Drive on carefully.
X
Switch off consumers that are not required, e.g. the rear window
defroster or interior lighting.
ABS will be available again as soon as the vehicle's on-board
electrical system voltage increases.
If the warning lamp is still on:
X
Have the battery and alternator checked at a qualified specialist
workshop.
!
The yellow ABS warning
lamp is lit while the
engine is running.
You have engaged the differential locks. ABS, BAS, EBD, ESP
®
and
4ETS are deactivated.
X
Disengage the differential locks.
Subsequently, ABS, BAS, EBD, ESP
®
and 4ETS are reactivated.
Warning and indicator lamps in the instrument cluster
181
On-board computer and displays
Z