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MOBILITY
Fine-link snow chains
The manufacturer of the vehicle recommends
the use of fine-link snow chains. Certain types
of fine-link snow chains have been tested by
the manufacturer of the vehicle and recom-
mended as road-safe and suitable.
For information on suitable snow chains, con-
tact an authorized service center or another
qualified service center or repair shop.
Use
Use only in pairs on the rear wheels, equipped
with the tires of the following size:
▷
245/45 R18.
▷
245/40 R19.
Information on the wheel size and rim offset is
located on the inside of the wheel.
The list can also include wheel/tire sizes that
are only suitable for certain models.
Information on wheels and tires approved for
the vehicle can be requested from an author-
ized service center or another qualified service
center or repair shop.
Follow the snow chain manufacturer's instruc-
tions.
Do not initialize the flat tire monitor after
mounting snow chains, as doing so may result
in incorrect readings.
Do not reset the Tire Pressure Monitor after
mounting snow chains, as doing so may result
in incorrect readings.
When driving with snow chains, activate the
Dynamic Traction Control briefly to optimize
the drive power.
Maximum speed with snow chains
Do not exceed a speed of 30 mph/50 km/h
when using snow chains.
328
Wheels and tires
Online Edition for Part no. 01405A7B930 - II/23
Rear axle steering during operation
with snow chains
General information
In order to guarantee free movement of the
wheels when operating with snow chains, rear
axle steering of the integral active steering
must be switched off when snow chains are
mounted.
Safety information
Warning
When rear axle steering is switched on and
snow chains are mounted, there can be con-
tact between snow chains and the body.
There may be a risk of accidents or risk
of damage to property. With mounted snow
chains, switch off the rear axle steering.
Switching off rear axle steering
The rear axle steering is switched off by speci-
fying that snow chains are installed.
1.
"CAR"
2.
"Settings"
3.
"General settings"
4.
"Snow chains"
5.
"Snow chains installed"
Starting with the permissible maximum speed
with snow chains of 30 mph/50 km/h the rear
axle steering will be switched on again auto-
matically.
Tire pressure monitor
Principle
The Tire Pressure Monitor monitors the tire
pressure and issues a warning if the tire pres-
sure has dropped.
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