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Practical hints
What to do if ...?
Display
Ï
COOLANT
STOP, ENGINE OFF!
Ï
COOLANT
VISIT WORKSHOP!
306
Possible cause
The poly-V-belt could be broken.
The cooling fan for the coolant is malfunc-
tioning.
Suggested solution
Stop immediately and check the
poly-V-belt.
If it is broken:
Do not continue to drive. Otherwise
the engine will overheat due to an in-
operative water pump which may re-
sult in damage to the engine. Notify
an authorized Mercedes-Benz
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 Limited Warranty.
Observe the coolant temperature
display.
Have the fan replaced as soon as
possible.
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