Mounting a new wheel
WARNING
Always replace wheel bolts that are damaged or rusted.
Never apply oil or grease to wheel bolts. Damaged wheel hub threads should be repaired immediately. Do not continue to drive under these circumstances! Contact an authorized Mercedes-Benz Center or call Roadside Assistance.
Incorrect wheel bolts or improperly tightened wheel bolts can cause the wheel to come off.
This could cause an accident. Make sure to use the correct wheel bolts.
WARNING
Only use genuine Mercedes-Benz wheel bolts. Other wheel bolts may come loose.
Do not tighten the wheel bolts when the vehicle is raised. Otherwise, the vehicle could fall off the jack.

- : Wheel bolts for all wheels supplied by the factory
- ; Wheel bolts for the collapsible spare wheel
Always use wheel bolts 2 to mount the collapsible spare wheel. Using other
wheel bolts to mount the collapsible spare wheel could damage the brake system.
WARNING
Make sure to use the original length wheel bolts when remounting the original wheel after it has been repaired.
- Clean the wheel and wheel hub contact surfaces.
To prevent damage to the paintwork, hold the wheel securely against the wheel
hub while screwing in the first wheel bolt.

- Place the emergency spare wheel on the wheel hub and push it on.
- Tighten the wheel bolts until they are finger-tight.
- Inflate the collapsible spare wheel ().
See also:
Correct driver's seat position
Observe the safety guidelines on seat adjustment ().
Check whether you have adjusted seat 3 properly.
Electrical seat adjustment () When adjusting the seat, make sure:
you are as far away f ...
Activation conditions
You can activate the HOLD function if:
Rthe vehicle is stationary.
Rthe engine is running.
Rthe driver's door is closed or if your seat belt is fastened.
Rthe electric parking brake is released.
...
Summer tires
- Optionally, tires with a maximum speed of
over 149 mph (240 km/h) may have "ZR"
in the size description depending on the
manufacturer (e.g. 245/40 ZR 18).
The service specif ...
