Mercedes-Benz GLA 250, Operator'S Manual

Page: 294 / 402

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NOTE Damage to paintwork of the wheel
rim when screwing on the first wheel bolt
If the wheel has too much play when screw‐
ing in the first wheel bolt, the wheel rim paint
can be damaged.
#
Press the wheel firmly against the
wheel hub when screwing on the first
wheel bolt.
#
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated until they are
finger-tight.
#
Unscrew the alignment bolt.
#
Tighten the last wheel bolt until it is finger-
tight.
#
Lower the vehicle (
/
page 292).
Lowering the vehicle after a wheel change
Requirements:
R
The new wheel has been installed
(
/
page 291).
#
To lower the vehicle: place the ratchet onto
the hexagon nut of the jack so that the let‐
ters "AB" are visible and turn the ratchet of
the jack to the left.
#
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1 to 5 with
a maximum of 59 lb-ft (80 Nm).
#
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1 to 5 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.
#
Ensure that the wheel bolts or 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 installed
wheel and adjust it if necessary.
#
Vehicles with tire pressure loss warning
system: Restart the tire pressure loss warn‐
ing system (
/
page 271).
Exception: the new wheel is an emergency
spare wheel.
292 Wheels and tires