Mercedes-Benz 2008 M-Class Operator's Manual page 432

Display symbol Display message
Ï
Coolant Level
Stop car, switch engine off.
Possible cause/consequence Possible solution
The coolant is too hot.
Among other possible causes
(the cooling fan could be
malfunctioning), the poly-V-belt
could be broken.
Practical hints
What to do if ...
Stop the vehicle in safe location or as
soon as it safe to do so.
Apply the parking brake ( page 65).
Turn off the engine.
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:
Do not continue to drive the vehicle with
this message displayed. Doing so could
result in serious engine damage that is
not covered by the Mercedes-Benz Limit-
ed Warranty.
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