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When the ABS system is active, do not brake periodically or reduce the pres-
sure on the brake pedal.
Engine drag torque control (MSR)
Read and observe
on page 210 first.
The MSR prevents the blocking tendency of the drive wheels when shifting
down or with an abrupt deceleration (e.g. on icy or otherwise slippery road
surfaces).
If the drive wheels lock, the engine speed is automatically increased. This re-
duces the braking effect of the engine, and the wheels can rotate freely again.
Traction control (ASR)
Fig. 249 System key: vehicle with ESC / vehicle without ESC
Read and observe
on page 210 first.
The TCS prevents spinning of the drive wheels. TCS reduces the drive power
transmitted to the wheels in the case of slipping wheels. Thus, for example,
driving on road surfaces with low grip is made easier.
During TCS intervention, the
warning light flashes in the instrument cluster.
Deactivation
›
Press the
» Fig. 249
button.
›
or: Press the
» Fig. 249
button.
›
or: in the Infotainment system, in menu
ESC system: → ASR off.
When deactivated, warning light
corresponding message is shown in the instrument cluster display.
/ tap on function surface →
lights up in the instrument cluster and a
Activation
›
Press the
» Fig. 249
button.
›
or: Press the
» Fig. 249
button.
›
or: in the Infotainment system, in menu
ESC system: → Activated.
When activated, the
warning light in the instrument cluster goes out and a
corresponding message is shown in the instrument cluster display.
The TCS should normally always be enabled. The system should be deactivated
only in the following situations, for example.
When driving with snow chains.
▶
When driving in deep snow or on a very loose surface.
▶
▶
When it is necessary to "rock" a car free when it has become stuck.
Note
On vehicles without the ESC system, warning light
deactivation of the TCS system, but only a message is shown in the instrument
cluster display.
Electronic Differential Lock (EDL and XDS)
Read and observe
on page 210 first.
EDL prevents the turning of the respective wheel of the driven axle. EDL
brakes the spinning wheel, if necessary, and transmits the driving force to the
other driving wheel. Driving becomes easier on road surfaces with different
traction under each wheel of the driven axle.
EDL switches off automatically to avoid excessive heat generation on the
brake of the wheel being braked. Once the brakes have cooled down, there is
an automatic re-activation of EDL.
XDS+ is an extension to the electronic differential lock (EDL). The XDS+ re-
sponds to the release of pressure on the wheels during fast cornering by
means of a braking intervention on the wheel on the inside of the corner on
the driven axle. By decelerating the individual wheels, this prevents the vehicle
from over-steering or understeering. This has a positive effect on the driving
stability and steerability of the vehicle.
/ tap on function surface →
does not light up upon
Assist systems
211
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