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Safety
Driving safety systems
2
Activating/deactivating ASR
ASR is automatically activated as soon as
the engine is switched on.
It may be best to deactivate ASR in the fol-
lowing situations:
ț if snow chains are being used
ț in deep snow
ț on sand or gravel
If you deactivate ASR:
ț the engine’s torque is then no longer
limited and the drive wheels could spin;
the spinning wheels produce a cutting
effect for better traction
ț traction control still intervenes by brak-
ing if one drive wheel reaches its grip
limit, for example if the surface under
one side of the vehicle is slippery. The
wheel is then braked to increase trac-
tion in this situation.
ț ESP
®
still intervenes to stabilize the ve-
hicle
The ASR switch is located on the center
console.
1 To deactivate/activate ASR
̈ To switch off: press upper section 1
of the switch.
The v warning lamp in the speed-
ometer lights up.
̈ To switch on: press upper section 1
of the switch again.
The v warning lamp in the speed-
ometer goes out.
Warning G
ESP
®
remains active despite ASR having
been deactivated and carries out braking in-
terventions if this is necessary to improve
driving stability. The v warning lamp
flashes.
If ASR is deactivated, there is an increased
risk that the brake system of your vehicle
could overheat and be damaged when sub-
jected to high loads for a long period of time.
A hot brake system also increases the stop-
ping distance.
For this reason, only deactivate ASR when it
is absolutely necessary.
N54.25-2916-31