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- Press the accelerator pedal carefully when
accelerating on smooth, slippery surfaces
such as ice and snow. The drive wheels can
spin even when these control systems are
installed and this can affect driving stability
and increase the risk of a collision .
(D Tips
- The ABS and ASR only function correctly
when all four wheels have a similar wear
Switching on and off
Intelligent Technology
condition. Different tire sizes can lead to a
reduction in engine power.
- You may hear noises when the systems de-
scribed are working .
- When installing roof rack systems on the
roof rail, the ESC uses sensors to adapt it-
self to a different center of grav ity.
ESC turns on automa tically when you start the engine .
Fig. 146 Center console wit h the "'°" butto n
The following examples are unusual situations
where it may mak e sense to switch offroad mod e
on to allow the wheels to spin:
- Rocking the vehicle to free it when it is stuck
- Driving in deep snow or on loose ground
- Driving with snow chains
- Driving on rough terrain when much of the car's
weight is lifted off the wheels (axle articula-
tion)
- Driving downhill wh ile braking on loose ground
The ESC is designed to function in levels. Depend-
ing on the level selected , the ESC stabilization
function is limited or switched off. The amount of
stabilization control will differ depending on the
level.
For your safety, switch the offroad mode off in
advance.
ESC levels
Offroad mode on ESC/ASRoff Offroad mode off or
ESC/ ASRon
Behavior
The ESC and ASR stabiliza-
The stabilization function is
The full stabilization func-
tion functions are limited not available
¢ & . ESC and
tion of the ESC and ASR is
q _&.
ASR are switched off. avai lable again .
Operating
Press the !-P-,.,1 button brief-
Press and hold the
!-P-"'I but- Press the IEml button again.
Ly.
ton longer than three sec-
onds .
Indicator
II turns on .
II and !:f.'iit•)H turn on .
II turns off or II and
lights
!:f.'iit•Ui turn off.
Messages
Stabilization control (ESC): Stabilization control (ESC): Stabilization control (ESC):
offroad. Warning! Reduced
off. Warning! Restricted
on
stability stability
143