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424 Wheels and tyres
Ensure that the wheel bolts or wheel
#
nuts are tightened to the prescribed
tightening torque.
If you are not sure, do not move the
#
vehicle. Contact a qualified specialist
workshop and have the tightening tor‐
que checked immediately.
Check the tyre pressure of the newly fitted
#
wheel and adjust it if necessary.
Vehicles with a tyre pressure monitoring
#
system: restart the tyre pressure monitoring
system (
page 413).
/
Exception: the new wheel is an emergency
spare wheel.
Emergency spare wheel
Notes on the emergency spare wheel
& WARNING Risk of accident caused by
incorrect wheel and tyre dimensions
The wheel or tyre size and the tyre type of
the emergency spare wheel or spare wheel
and the wheel to be replaced may differ. The
emergency spare wheel or spare wheel can
significantly impair driving characteristics of
the vehicle.
To prevent hazardous situations:
Drive carefully.
#
Never fit more than one emergency
#
spare wheel or spare wheel that differs
in size.
Only use an emergency spare wheel or
#
spare wheel briefly.
®
Do not deactivate ESP
.
#
Have the emergency spare wheel or
#
spare wheel of a different size replaced
at the nearest qualified specialist work‐
Internal use only
shop. The new wheel must have the
correct dimensions.
%
The emergency spare wheel is secured in the
emergency spare wheel bag in the boot.
Observe the following notes on fitting an emer‐
gency spare wheel:
Check the tyre pressure of the emergency
R
spare wheel fitted. Correct the pressure as
necessary.
The maximum permissible speed with an
R
emergency spare wheel fitted is 80 km/h.
Do not fit the emergency spare wheel with
R
snow chains.
Replace the emergency spare wheel after six
R
years at the latest, regardless of wear.
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