Mercedes-Benz E-Class Coupe 2020, Руководство пользователя

Страница: 348 / 473

&
WARNING Risk of injury from tightening
wheel bolts and nuts
If you tighten the wheel bolts or wheel nuts
when the vehicle is raised, the jack could tip.
#
Only tighten wheel bolts or wheel nuts
when the vehicle is on the ground.
#
Be sure to observe the instructions and
safety notes on "Changing a wheel"
(
/
page 336).
#
For safety reasons, only use wheel bolts
which have been approved by Mercedes-
Benz and for the wheel in question.
#
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated until they are
finger-tight.
#
Unscrew and remove the centring pin.
#
Tighten the last wheel bolt until it is finger-
tight.
#
Lower the vehicle (
/
page 345).
Lowering the vehicle after a wheel change
Requirements:
R
The new wheel has been fitted
(
/
page 344).
#
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
an initial maximum force of 80 Nm.
#
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1 to 5 to
the specified tightening torque of 150 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 tyre pressure of the newly fitted
wheel and adjust it if necessary.
#
Vehicles with tyre pressure loss warning
system: restart the tyre pressure loss warn‐
ing system (
/
page 336).
Exception: the new wheel is an emergency
spare wheel.
Wheels and tyres 345