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.
WARNING
Make sure to use the original length wheel
bolts when remounting the original wheel
after it has been repaired.

Wheel bolts for:
1 All alloy wheels and the "Minispare"
emergency spare wheel for alloy wheels
2 "Minispare" emergency spare wheel for
steel wheels
Always use wheel bolts 1 to fit the
"Minispare" emergency spare wheel with
light-alloy wheel. Using other wheel bolts
when fitting the "Minispare" emergency
spare wheel with light-alloy wheel could
damage the brake system.
Always use wheel bolts 2 to fit the "Minispare" emergency spare wheel with steel wheel. Using other wheels when fitting the "Minispare" emergency spare wheel with steel wheel could damage the brake system.
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.

Slide the emergency spare wheel onto the
alignment bolt and push it on.
Tighten the wheel bolts until they are
finger-tight.
Unscrew the alignment bolt.
Tighten the last wheel bolt until it is fingertight.
See also:
High outside temperatures
If DEF heats up to over 122 °F (50 °C ) for
extended periods, e.g. as a result of direct
sunlight on the DEF reservoir, DEF can
decompose. Ammonia vapors develop as a
result.
WARNING
When o ...
Activating cruise control
You can adopt the current speed if you are
driving faster than 20 mph (30 km/h).
– Accelerate the vehicle to the desired
speed.
– Briefly press the cruise control lever
up 1 or down 2.
– Remo ...
Important information
The cooling with air dehumidification function is only available when the engine
is running. The air inside the vehicle is cooled and dehumidified according to the
temperature selected.
WARN ...
