User Manual - Page 490

For 2020 GLC Coupe.

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&
WARNING Risk of injury through incor‐
rect tightening torque
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened to the
prescribed tightening torque.
#
Make sure the wheel bolts or wheel
nuts are tightened to the prescribed
tightening torque.
#
If you are not sure, do not move the
vehicle. Consult a qualified specialist
workshop and have the tightening tor‐
que checked immediately.
#
Check the tire pressure of the newly moun‐
ted wheel and adjust accordingly.
#
Vehicles with tire pressure loss warning
system: Restart the tire pressure loss warn
ing system (/ page 466).
Exception: the new wheel is an emergency
spare wheel.
#
Vehicles with a tire pressure monitoring
system: Restart the tire pressure monitoring
system (/ page 465).
Exception: the new wheel is an emergency
spare wheel.
Make sure to observe the following further rela‐
ted subject:
R
Notes on tire pressure (/ page 460)
Emergency spare wheel
Notes on the emergency spare wheel
&
WARNING Risk of accident caused by
incorrect wheel and tire dimensions
The wheel or tire size and the tire type of the
emergency spare wheel or spare wheel and
the wheel to be replaced may differ. Mount‐
ing an emergency spare wheel/spare wheel
may severely impair the driving characteris‐
tics.
To prevent hazardous situations:
#
Adapt your driving style accordingly and
drive carefully.
#
Never mount more than one emergency
spare wheel or spare wheel that differs
in size.
#
Only use an emergency spare wheel or
spare wheel of a different size briefly.
#
Do not switch off ESP
®
.
#
>Have the emergency spare wheel or
spare wheel of a different size replaced
at the nearest qualified specialist work‐
shop. The new wheel must have the
correct dimensions.
Check the tire pressure of the emergency spare
wheel installed. Correct the pressure as neces‐
sary.
The maximum permissible speed with an emer‐
gency spare wheel installed is 50 mph
(80 km/h).
Do not install the emergency spare wheel with
snow chains.
488
Wheels and tires
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