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The engine should not be operated with the coolant temperature above 248‡ (120†).
Doing so may cause serious damage which is not covered by the Mercedes-Benz Limited
Warranty.
Display messages Possible causes/consequences and M Solutions
?
Coolant
Stop car,
switch
engine
off.
The poly-V-belt could be broken.
X
Stop the vehicle immediately as soon as it is safe to do so.
X
Turn off the engine immediately.
X
Check the poly-V-belt.
X
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 Center.
X
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.
X
Observe the coolant temperature in the multifunction
display.
X
Drive to the nearest authorized Mercedes-Benz Center
immediately.
?
The radiator cooling fan is malfunctioning.
X
Observe the coolant temperature in the multifunction
display.
If the coolant temperature is below 248‡ (120†), you may
continue driving to an authorized Mercedes-Benz Center.
X
Avoid placing heavy loads on the engine (e.g. by driving
uphill) as well as stop-and-go traffic.
X
Have the fan replaced as soon as possible.
Vehicle status messages in the multifunction display
307
Practical hints
X164_AKB; 5; 31, en-US
d2ureepe, Version: 2.11.8.1
2009-09-11T12:30:16+02:00 - Seite 307
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