Mercedes-Benz GL-Class 2008 Owners Manual User Manual
Page 467
466
Practical hints
What to do if …
Symbol messages
Display symbol
Display message
Possible cause/consequence
Possible solution
ò
Replace air filter.
The air filter is clogged.
̈
Have the air filter checked by an
authorized Mercedes-Benz Light Truck
Center.
#
The battery is no longer charging.
Possible causes:
ț
alternator malfunctioning
ț
broken poly-V-belt
Do not forget that the brake system
requires electrical energy and may be
operating with restricted capability.
Considerably greater brake pedal
force is required and the stopping dis-
tance is increased.
̈
Stop the vehicle in a safe location or as
soon as it is safe to do so.
̈
Apply the parking brake (
̈
Check the poly-V-belt.
If it is broken:
̈
Do not continue to drive. Otherwise the
engine will overheat due to an inoperative
water pump which may result in damage
to the engine. Contact an authorized
Mercedes-Benz Light Truck Center.
If it is intact:
̈
Drive immediately to the nearest
authorized Mercedes-Benz Light Truck
Center. Adjust driving to be consistent
with reduced braking responsiveness.
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