Mercedes-Benz S-Class Saloon 2021, Owner'S Manual

Page: 467 / 621

&
W WARNING ARNING 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 455).
#
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
nger-tight.
#
Unscrew and remove the centring pin.
#
Tighten the last wheel bolt until it is nger-
tight.
#
Lower the vehicle (
/
page 464).
Low Lower ering t ing the v he vehicle ehicle a er a er a wheel c a wheel change hange
RReq equir uirements: ements:
R
The new wheel has been tted (
/
page 463).
* NO NOTE TE Risk of vehicle jack becoming trap-
ped by the AIRMATIC system
If the AIRMATIC system has released air when
raising the vehicle, the jack can become trap-
ped when the vehicle is lowered.
#
Start the engine. This adapts the vehicle
level.
#
Remove the jack from under the vehicle.
#
TTo low o lower t er the v he vehicle: ehicle: place the ratchet onto
the hexagon nut of the jack so that the letters
"AB" are visible and turn anti-clockwise.
#
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 with
the speci ed tightening torque of 150 Nm.
&
W WARNING ARNING 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.
464 464 Wheels and tyres