Wheels and tires
338
#
Ensure that the wheel bolts or wheel
nuts are tightened to the prescribed
tightening torque.
If you are not sure, do not move the vehi-
cle. Contact a qualiꢀed specialist work-
shop and have the tightening torque
checked immediately.
Emergency spare wheel
Notes on the emergency spare wheel
shop. The new wheel must have the cor-
rect dimensions.
%
The emergency spare wheel is secured in the
emergency spare wheel bag in the trunk.
Observe the following notes on installing an emer-
gency spare wheel:
#
&
WARNING Risk of accident caused by
incorrect wheel and tire dimensions
The wheel or tire sizes and the tire type of the
emergency spare wheel or spare wheel and
the wheel to be replaced may diꢁer. The emer-
gency spare wheel or spare wheel can signiꢀ-
cantly impair driving characteristics of the
vehicle.
R
The maximum permissible speed with an
#
Check the tire pressure of the newly installed
wheel and adjust it if necessary.
emergency spare wheel installed is 50 mph
(80 km/h).
R
%
The following does not apply if the new wheel
is an emergency spare wheel.
Do not equip the emergency spare wheel with
snow chains.
Replace the emergency spare wheel aꢃer six
years at the latest, regardless of wear.
Check the tire pressure of the emergency
spare wheel installed. Correct the pressure as
necessary.
To prevent hazardous situations:
#
R
Vehicles with tire pressure loss warning sys-
ttem: Restart the tire pressure loss warning
system (/ page 316).
#
Drive carefully.
#
Never install more than one emergency
R
spare wheel or spare wheel that diꢁers
#
Vehicles with a tire pressure monitoring sys-
tem: Restart the tire pressure monitoring sys-
tem (/ page 315).
in size.
#
Only use an emergency spare wheel or
spare wheel brieꢂy.
%
The speciꢀed tire pressure is stated on the
label of the emergency spare wheel.
Do not deactivate ESP®.
#
#
Have the emergency spare wheel or
spare wheel of a diꢁerent size replaced
at the nearest qualiꢀed specialist work-
