Mercedes-Benz GLS 2020 Operator's Manual page 485

4 Folding chock
5 Alignment bolt
6 Socket wrench for ratchet
Setting up the folding chock
Preparing the vehicle for a wheel change
Requirements:
The required tire-change tool is available. If
R
your vehicle is not equipped with the tire-
change tool kit, consult a qualified specialist
workshop to find out about suitable tools.
The vehicle is not on a slope.
R
The vehicle is on solid, non-slippery and level
R
ground.
Apply the electric parking brake manually.
#
Move the front wheels to the straight-ahead
#
position.
Vehicles with automatic transmission:
#
Shift into position j.
Vehicles with level control system: Set the
#
normal vehicle level ( page 216).
/
Switch off the engine.
#
Make sure that the engine cannot be started.
#
Place chocks or other suitable items under
#
the front and rear of the wheel that is diago‐
nally opposite the wheel you wish to change.
Remove the hub caps if necessary
#
( page 483).
/
Raise the vehicle ( page 484).
/
#
Wheels and tires 483
Removing and installing hub caps
Requirements:
The vehicle is prepared for a wheel change
R
( page 483).
/
Plastic hub cap
To remove: turn the center cover of the hub
#
cap counter-clockwise and remove the hub
cap.
To install: make sure that the center cover
#
of the hub cap is turned counter-clockwise.
Position the hub cap and turn the center
#
cover clockwise until the hub cap engages
physically and audibly.