324 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
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COOLANT
STOP, ENGINE OFF!
The poly-V-belt could be broken.
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 inoperative
water pump which may result 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 Limit-
ed Warranty.
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COOLANT
VISIT WORKSHOP!
The cooling fan for the coolant is malfunc-
tioning.
Observe the coolant temperature display.
Have the fan replaced as soon as possi-
ble.
