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Practical hints
What to do if …?
During severe operating conditions,
e.g. stop-and-go traffic, the coolant tem-
perature may rise close to 248°F (120°C).
Display Possible cause/consequence Possible solution
Coolant Low
Stop Vehicle
Turn Engine Off
The coolant is too hot. ̈ Stop the vehicle in a safe location or as soon
as it is safe to do so and immediately turn off
the engine.
̈ Engage the electronic parking brake
(
୴ page 412).
̈ Only start the engine again after the message
disappears. You could otherwise damage the
engine.
̈ Observe the coolant temperature gauge in
the instrument cluster (
୴ page 30).
Warning! G
ț 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.
ț 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°F (120°C). Do-
ing so may cause serious engine damage which
is not covered by the Mercedes-Benz Limited
Warranty.