Emergency Spare Wheel - Mercedes-Benz A-Class Owner's Manual

Tighten the wheel bolts evenly in a diagonal
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pattern in the order indicated
Specified tightening torque: 130 Nm.
& 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
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nuts are tightened to the prescribed
tightening torque.
If you are not sure, do not move the
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vehicle. Consult a qualified specialist
workshop and have the tightening tor‐
que checked immediately.
Check the tyre pressure of the newly moun‐
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ted wheel and adjust accordingly.
Vehicles with tyre pressure loss warning
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system: restart the tyre pressure loss warn‐
ing system ( page 347).
→
Exception: the new wheel is an emergency
spare wheel.
Vehicles with a tyre pressure monitoring
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(1 to 5). system: restart the tyre pressure monitoring
system (
Exception: the new wheel is an emergency
spare wheel.
Make sure to observe the following further rela‐
ted subject:
Notes on tyre pressure (
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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.
Mounting an emergency spare wheel/spare
wheel may severely impair the driving char‐
acteristics.
To prevent hazardous situations:
page 342).
→
page 339)
→
Wheels and tyres 357
Adapt your driving style accordingly and
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drive carefully.
Never fit more than one emergency
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spare wheel or spare wheel that differs
in size.
Only use an emergency spare wheel or
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spare wheel of a different size briefly.
®
Do not switch off ESP .
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Have the emergency spare wheel or
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spare wheel of a different size replaced
at the nearest qualified specialist work‐
shop. The new wheel must have the
correct dimensions.
Observe the following notes on removing an
emergency spare wheel:
Before stowing the emergency spare wheel,
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make sure there is no air left in the tyre.
If necessary, allow the air to escape.
To release air from the tyre: remove the
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valve cap of the tyre.
Press down the metal insert in the valve
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using a pointed object, e.g. a pen.