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03 Your driving environment
Gearboxes
03
120
Overheating during slow driving in queues can
be avoided by driving in stages: Stop the car
and wait with your foot on the brake pedal until
there is a moderate distance to the traffic
ahead, drive forward a short distance, and then
wait another moment with your foot on the
brake pedal.
IMPORTANT
Use the foot brake to hold the car stationary
on an uphill gradient - do not hold the car
with the accelerator pedal. The gearbox
could then overheat.
For important information regarding Powershift
transmission and towing - see page 303.
Text message and action
In some situations the display may show a
message at the same time as a symbol is illu-
minated.
Symbol Display Driving characteristics Action
Transm. overheat brake to hold
Difficulty in maintaining even speed at con-
stant engine speed.
Transmission overheated. Keep the car
stationary using the foot brake.
A
Transm. overheat park safely
Significant pulling in the car's traction. Transmission overheated. Park the car
immediately in a safe manner.
A
Transm. cooling let engine run
No drive due to overheated gearbox. Transmission overheated. For fastest cool-
ing: Run the engine at idling speed with the
gear lever in the N or P position until the
message clears.
A
For fastest cooling: run the engine at idling speed with the gear lever in the N or P position, until the message clears.
The table shows three steps with an increased
degree of seriousness should the transmission
become too hot. In parallel with the display text
the driver is also advised that the car's elec-
tronics are temporarily changing the driving
characteristics. Follow the instructions on the
information display where appropriate.
NOTE
The table's examples are no indication that
the car is defective but instead show that a
safety function has been activated inten-
tionally to prevent damage to one of the
car's components.
WARNING
If a warning symbol combined with the text
Transm. overheat park safely is ignored
then the heat in the gearbox may become
so high that the power transmission
between engine and gearbox is temporarily
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