Mercedes-Benz A 220 4MATIC 2021, Operator'S Manual

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#
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated until they are
finger-tight.
#
Unscrew and remove the alignment bolt.
#
Tighten the last wheel bolt until it is finger-
tight.
#
Lower the vehicle (
/
page 316).
Lowering the vehicle after a wheel change
Requirements:
R
The new wheel has been installed
(
/
page 315).
#
To lower the vehicle: place the ratchet onto
the hexagon nut of the jack so that the let‐
ters "AB" are visible and turn counter-clock‐
wise.
#
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1 to 5 with
an initial maximum force of 59 lb-ft (80 Nm).
#
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1 to 5 to
the specified tightening torque of 96 lb-ft
(130 Nm).
&
WARNING Risk of accident due to incor‐
rect tightening torque
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened to the
prescribed torque.
#
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 tire pressure of the newly installed
wheel and adjust it if necessary.
#
Vehicles with tire pressure loss warning
system: Restart the tire pressure loss warn‐
ing system (
/
page 294).
Exception: the new wheel is an emergency
spare wheel.
#
Vehicles with a tire pressure monitoring
system: Restart the tire pressure monitoring
system (
/
page 293).
Exception: the new wheel is an emergency
spare wheel.
316 Wheels and tires