Mercedes-Benz S-Class Coupe 2018 Operator's Manual page 387

Setting up the folding chock
Preparing the vehicle for a wheel change
Requirements
The required tire-change tool kit is available.
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If 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.
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The vehicle is on solid, non-slippery and level
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ground.
Apply the electric parking brake manually.
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Move the front wheels to the straight-ahead
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position.
Vehicles with automatic transmission:
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shift into position j.
Vehicles with AIR BODY CONTROL: set the
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normal vehicle level ( page 176).
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Switch off the engine.
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Make sure that the engine cannot be started.
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Place chocks or other suitable items under
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the front and rear of the wheel that is diago‐
nally opposite the wheel you wish to change.
Remove the hub caps if necessary
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( page 385).
→
Raising the vehicle ( page 386).
→
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Wheels and tires 385
Removing and installing hub caps
Requirements:
The vehicle is prepared for a wheel change
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( page 385).
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Plastic hub cap
To remove: turn the center cover of the hub
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cap counter-clockwise and remove the hub
cap.
To install: make sure that the center cover of
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the hub cap is turned counter-clockwise.
Position the hub cap and turn the center
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cover clockwise until the hub cap engages
physically and audibly.