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Problem Possible causes/consequences and M Solutions
?
The red coolant
temperature
warning lamp
comes on when
the engine is
running.
There is insufficient coolant in the reservoir.
If this warning lamp comes on frequently, there is a leak in the
cooling system.
If the coolant level is correct, the electric radiator fan may be
broken.
X
Immediately add coolant to prevent engine from overheating
(Y page 226).
X
Have the cooling system checked.
X
If the coolant temperature is below 248‡ (120†), you can
continue driving to the nearest authorized Mercedes-Benz
Center.
X
Avoid high engine loads (e.g. driving uphill) and stop-and-go
driving.
?
The red coolant
temperature
warning lamp
comes on when
the engine is
running and an
acoustic
warning sounds.
The coolant temperature has exceeded 248‡ (120†).
X
Stop in a safe location as soon as possible and allow the engine
and coolant to cool down.
G
Warning!
Driving when your engine is overheated can
cause some fluids which may have leaked into
the engine compartment to catch fire. You
could be seriously burned.
Steam from an overheated engine can cause
serious burns which can occur just by opening
the engine hood. Stay away from the engine
if you see or hear steam coming from it.
Stop the vehicle in a safe location away from
other traffic. Turn off the engine, get out of the
vehicle and do not stand near the vehicle until
the engine has cooled down.
!
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.
What to do if …
311
Practical hints
212_AKB; 2; 41, en-US
d2ureepe, Version: 2.11.8.1
2009-07-17T09:14:21+02:00 - Seite 311
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