- Do not ride the brakes or press the brake
pedal too often or too long when driving
down a hill. Constant braking causes the
brakes to overheat and substantially re-
duces braking performance, increases
braking distance or causes complete fail-
ure of the brake system.
- To prevent the vehicle from rolling back
when stopping on inclines, always hold it
in place with the brake pedal or parking
brake.
- Never hold the vehicle on an incline with
a slipping clutch . The clutch opens auto-
matically when it becomes too hot from
the overload. An indicator lamp
[O] illu-
minates and a driver message appears
¢ page 9 7 when the clutch is overload-
ed .
- If the engine must remain running, never
have any driving position engaged when
checking under the hood. Make sure the
selector lever has securely engaged and
is locked in P with the parking brake set
¢ page 213, Engine compartment . Oth-
erwise, any increase in engine speed may
set the vehicle in motion, even with the
parking brake applied .
0 Note
- S tronic ®- and tiptronic transmission:
When stopping on an incline, do not try
to hold the vehicle in place by pressing
the accelerator pedal while a driving gear
is selected. This can cause the transmis-
sion to overheat and can damage it. Acti-
vate the parking brake or press the brake
pedal to prevent the vehicle from rolling.
- S tronic ®- and tiptronic transmission: Al-
lowing the vehicle to roll when the en-
gine is stopped and the selector lever is
in N will damage the transmission be-
cause it is not lubricated under those cir-
cumstances .
(D Tips
For safety reasons, the parking brake is re-
leased automatically only when the driv-
er's safety belt is engaged in the buckle.
Transmission 95
Hill descent control
Appli es to vehicles: wit h mult itro nic/S tro nic/t iptro nic
The hill descent control system assists the
driver when driving down declines .
Hill descent control is activated when these-
lector lever is in D/S and you press the brake
pedal. The transmission automatically selects
a gear that is suitable for the incline. Hill de-
scent control tries to maintain the speed ach-
ieved at the time of braking, within physical
and technical limitations. It may still be nec-
essary to adjust the speed with the brakes.
Hill descent control switches off once the de-
cline levels out or you press the accelerator
pedal.
On vehicles with the cruise control system*
¢ page 89 , hill descent control is also activat-
ed when the speed is set.
.&_ WARNING
-
Hill descent control cannot overcome
physical limitations, so it may not be able
to maintain a constant speed under all
conditions. Always be ready to apply the
brakes.
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