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Driving
CAUTION
●
If you st
op the vehicle on a gradient, do
not attempt to stop it from rolling by de-
pressing the accelerator when a gear has
been selected. This could cause overheat-
ing and damage the automatic gearbox.
●
If you allow the vehicle to roll with the
lever in position N and the engine off, the
automatic gearbox will be damaged by
lack of lubrication.
●
If the gearbox operates with the backup
programme, take the vehicle to a special-
ised workshop and have the fault repaired
without delay.
Launch-control program
The Launch-control programme enables
maximum accel
eration from a standstill.
Condition: the engine must have reached op-
erating temperature and the steering wheel
must not be turned.
The engine speed for Launch-control is differ-
ent on petrol and diesel engines.
●
With the engine running, switch off traction
control (ASR)
›››
page 287.
●
Press the brake pedal with your left foot
and hold it down for at least one second.
●
Place the selector lever in position S or Tip-
tronic.
●
Press the accelerator with the right foot un-
til reaching an approximate speed of 3,200
rpm.
●
Take your left foot off the brake pedal. The
vehicle starts with maximum acceleration.
●
Turn on the ASR after accelerating!
WARNING
●
Al
ways adapt your driving style to the
traffic conditions.
●
Only use the Launch control programme
when road and traffic conditions permit,
and make sure your manner of driving and
accelerating the vehicle does not incon-
venience or endanger other road users.
●
Make sure that the ESC remains switched
on. Please note that when the ASR and ESC
are deactivated, the wheels may start to
spin, causing the vehicle to lose grip. Acci-
dent hazard!
Note
●
Aft
er using the Launch control pro-
gramme, the temperature in the gearbox
may have increased considerably. In this
case, the program may be out of service for
a few minutes. The program may be used
again once the cooling phase is complete.
●
Accelerating with the launch control pro-
gramme places a heavy load on all parts of
the vehicle. This can result in increased
wear and tear.
Manual release of the selector lev-
er
Fig. 238
Remove the lining from the area of the
gear indication
Fig. 239
Manual release of gear selector lever
In the event of a power failure when starting
(e
.g. discharged battery), the lever will remain
locked in position P. To move it to position N to
move the vehicle, there is an emergency re-
lease device under the centre console, on the
250
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