Emergency Spare Wheel - Mercedes-Benz A-Class 2020 Operator's Manual

Place the ratchet onto the hexagon nut of the
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jack so that the letters "AB" are visible.
To lower the vehicle: turn the ratchet of the
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jack counter-clockwise.
Tighten the wheel bolts evenly in a diagonal
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pattern in the order indicated 1
a maximum of 59 lb-ft (80 Nm).
Then tighten the wheel bolts evenly in a diag‐
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onal pattern in the order indicated
to the specified tightening torque of 96 lb-ft
(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
#
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.
to 5 with
Vehicles with tire pressure loss warning
#
system: Restart the tire pressure loss warn‐
ing system ( page 301).
/
Exception: the new wheel is an emergency
1 to 5
spare wheel.
Vehicles with a tire pressure monitoring
#
system: Restart the tire pressure monitoring
system ( page 300).
/
Wheels and tires 323
Make sure to observe the following further rela‐
ted subject:
Notes on tire pressure ( page 294)
/
R

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
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drive carefully.
Never mount more than one emergency
#
spare wheel or spare wheel that differs
in size.