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Automatic transmission
Introduction
The automatic transmission performs an automatic gear change irrespective
of the engine load, the operation of the accelerator, the vehicle speed and the
selected driving mode.
The modes of the automatic transmission can be adjusted by the driver by
means of the selector lever.
WARNING
■
Do not accelerate when selecting drive mode prior to moving off - risk of
accident!
■
Never move the selector lever to mode R or P when driving – risk of acci-
dent!
■
If the vehicle stalls, with engine running, in the D, S, R or Tiptronic mode,
the vehicle must be prevented from rolling away by means of the brake
pedal or the parking brake. Even when the engine is idling, the power trans-
mission is never completely interrupted – the vehicle crawls forward.
■
When leaving the vehicle, the selector lever must always be set to P. Oth-
erwise, the vehicle could be set in motion - risk of accident.
CAUTION
■
If you want to move the selector lever from position N to position D / S
whilst driving, the engine must be running at idling speed.
■
When stopping on a slope, never try to hold the vehicle using the accelerator
pedal – this may lead to gear damage.
Select selector lever position
Fig. 192
Selector lever settings / display
Read and observe and on page 165 first.
The selector lever can be moved through shifting to one of the following posi-
tions » Fig. 192. In some positions you have to push the locking button
» page 165, Selector lever lock.
When the ignition is switched on, the gearbox mode and the currently selected
gear are indicated in the display » Fig. 192.
Parking - the position can be set only when the vehicle is at a standstill.
The drive wheels are mechanically locked.
Reverse gear - the position can only be selected when the vehicle is sta-
tionary and the engine is idling.
Neutral (idle position) - power transmission to the drive wheels is inter-
rupted.
Forward mode / sports programme - the gear change takes place in the
position S at higher engine speeds than in mode D
(Sprung position) - choice between positions D and S
In mode D or S, the forward gears are shifted automatically depending on the
engine load, the operation of the accelerator pedal, the vehicle speed, and the
selected driving mode .
Selector lever lock
Fig. 193
Shift lock button
Read and observe and on page 165 first.
The selector lever is locked in modes P and N to prevent the forwards travel
mode from being selected accidentally and setting the vehicle in motion.
The selector lever is locked only when the vehicle is stationary and at speeds
up to 5 km/h.
P
R
N
D/S
165
Starting-off and Driving
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