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Correcting the tire inflation
pressure
1. Stop at a suitable location.
2. Screw the connection hose of the compres‐
sor directly onto the tire valve stem.
3. Insert the connector into the power socket in‐
side the vehicle.
4. Correct the tire inflation pressure to 2.5 bar.
▷ Increase tire inflation pressure: with the ig‐
nition switched on or the engine running,
switch on the compressor.
▷ Reduce tire inflation pressure: press the
button on the compressor.
Continuing the trip
Do not exceed the maximum permissible speed
of 50 mph/80 km/h.
Reinitialize the run-flat tires.
Reset the Tire Pressure Monitor TPM.
Replace the nonworking tire and the sealant con‐
tainer of the Mobility System at the next opportu‐
nity.
Snow chains
Safety information
WARNING
With the mounting of snow chains on unsuita‐
ble tires, the snow chains can come into con‐
tact with vehicle parts. There is a risk of acci‐
dents or risk of damage to property. Only
mount snow chains on tires that are designated
by their manufacturer as suitable for the use of
snow chains.
WARNING
Insufficiently tight snow chains may damage
tires and vehicle components. There is a risk of
accidents or risk of damage to property. Make
sure that the snow chains are always suffi‐
ciently tight. Re-tighten as needed according to
the snow chain manufacturer's instructions.
Fine-link snow chains
The manufacturer of your vehicle recommends
use of fine-link snow chains. Certain types of
fine-link snow chains have been tested by the
manufacturer of the vehicle and recommended
as road-safe and suitable.
Information regarding suitable snow chains is
available from a dealer’s service center or an‐
other qualified service center or repair shop.
Use
Use only in pairs on the rear wheels, equipped
with the tires of the following size:
▷ 255/50 R 19.
Follow the snow chain manufacturer's instruc‐
tions.
Do not initialize the run-flat tires after mounting
snow chains, as doing so may result in incorrect
readings.
Do not reset the Tire Pressure Monitor TPM af‐
ter mounting snow chains, as doing so may re‐
sult in incorrect readings.
When driving with snow chains, briefly activate
Dynamic Traction Control DTC, if needed.
Maximum speed with snow
chains
Do not exceed a speed of 30 mph/50 km/h when
using snow chains.
Seite 256
MOBILITY
Wheels and tires
256
Online Edition for Part no. 01402896102 - X/18
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