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Practical hints
What to do if ...
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B
COOLANT
STOP, ENGINE OFF!
Warning!
Driving when your engine is badly overheat-
ed 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 and can occur just by opening
the engine hood. Stay away from the engine
if you see or hear steam coming from it.
Turn off the engine, get out of the vehicle
and do not stand near the vehicle until it
cools down.
252
Possible cause
The coolant is too hot.
During severe operating conditions and
G
stop-and-go city traffic, the coolant tem-
perature may rise close to 248°F (120°C).
!
The engine should not be operated with
the coolant temperature above 248°F
(120°C). Doing so may cause serious
engine damage which is not covered by
the Mercedes-Benz Limited Warranty.
Suggested solution
Stop the vehicle and turn off
the engine.
Only start the engine again af-
ter the message disappears.
You could otherwise damage
the engine.
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