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MOBILITY
Reset the Tire Pressure Monitor again.
Replace the faulty tire and the sealant bottle of
the tire repair set promptly.
Additional information:
▷
Run-flat tires, refer to page 336.
▷
Tire pressure monitor, refer to page 329.
Tire chains
Safety information
Warning
With the mounting of tire chains on unsuitable
tires, the tire chains can come into contact with
vehicle parts. There may be a risk of accident
or risk of damage to property. Only mount tire
chains on tires that are designated by their
manufacturer as suitable for the use of tire
chains.
Warning
Insufficiently tight tire chains may damage tires
and vehicle components. There may be a risk
of accident or risk of damage to property. Make
sure that the tire chains are always sufficiently
tight. Re-tighten as needed according to the
tire chain manufacturer's instructions.
Fine-link tire chains
The manufacturer of the vehicle recommends
the use of fine-link tire chains. Certain types of
fine-link tire chains have been tested by the
manufacturer of the vehicle and recommended
as road-safe and suitable.
Information regarding suitable tire chains is avail‐
able from a dealer's service center or another
qualified service center or repair shop.
328
Wheels and tires
Online Edition for Part no. 01405A38D29 - VI/21
Use
Use only in pairs on the rear wheels, equipped
with the tires of the following size:
▷
245/45 R18.
▷
245/40 R19.
The wheel size and rim offset are located on the
inside of the wheel.
Follow the tire chain manufacturer's instructions.
Do not initialize the Flat Tire Monitor after
mounting tire chains, as doing so may result in
incorrect readings.
Do not reset the Tire Pressure Monitor after
mounting tire chains, as doing so may result in
incorrect readings.
When driving with tire chains, briefly activate Dy‐
namic Traction Control DTC to optimize the
drive power.
Maximum speed with tire chains
Do not exceed a speed of 30 mph/50 km/h when
using tire chains.
Rear axle steering during
operation with snow chains
General information
In order to guarantee free movement of the
wheels when operating with tire chains, rear axle
steering of the integral active steering must be
switched off when tire chains are mounted.
Safety information
Warning
When rear axle steering is switched on and tire
chains are mounted, there can be contact be‐
tween tire chains and the body. There may be a
risk of accident or risk of damage to property.
With mounted tire chains, switch off the rear
axle steering.
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