STARTING AND DRIVING
lower temperature or Transmission hot
Stop safely, wait for cooling. Follow the
recommendation given, reduce speed or
stop the car in a safe way and allow the
engine to run at idling speed for several
minutes to enable the gearbox to cool
down.
Overheating in the engine and
drive system
Under certain conditions, e.g. hard driving in
hilly terrain and hot climate, there is a risk
that the engine and drive system may over-
heat – in particular with a heavy load.
Symbols in the driver display
Symbol Specification
High engine temperature. Follow
the recommendation given.
In the event of overheating, the engine's
power may be limited temporarily.
•
•
•
Low level, coolant. Follow the
recommendation given.
If the car overheats, the air conditioning
may be switched off temporarily.
•
•
Remove any auxiliary lamps from in front
of the grille when driving in hot climates.
Do not turn the engine off immediately
you stop after a hard drive.
If the temperature in the engine's cooling
system becomes too high then a warning
symbol is illuminated and the driver dis-
play shows the message Engine
Gearbox hot/overheated/cooled.
Follow the recommendation
given.
It is normal for the engine's cooling fan to
operate for a time after the engine has
been switched off.
temperature High temperature Stop
safely. Stop the car in a safe way and
allow the engine to run at idling speed for
several minutes and cool down.
Related information
Topping up coolant (p. 583)
Driving with a trailer (p. 453)
Preparations for a long trip (p. 431)
Gear shift indicator (p. 415)
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•
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•
If the message Engine temperature
High temperature Turn off engine or
Engine coolant Level low, turn off
engine is shown, stop the car and switch
off the engine.
•
•
In the event of overheating in the gearbox,
an alternative gear shift program will be
selected30. In addition, a built-in protec-
tion function is activated that, amongst
other things, illuminates a warning symbol
and the driver display shows the message
Transmission warm Reduce speed to
30
Applies to automatic gearbox.
446