On a level surface
Place chocks or other suitable objects in front of
and behind the wheel directly opposite to the
one being changed.
On a slight downhill slope
If it is necessary to change a wheel on a slight
downhill slope, place chocks and other suitable
objects, for example stones, under the wheels of
the front and rear axles in the opposite direction
to the direction of roll.
Thiefproof wheel studs
Principle
The wheel locking bolts have a special coding.
The blots can only be released with the adapter
that matches the coding.
Overview
The adapter of the thiefproof wheel studs can be
found in the on-board tool kit or in an oddments
tray in the on-board tool kit.
▷ Wheel stud, arrow 1.
▷ Adapter, arrow 2.
Unscrewing
1.
Place the adapter on the wheel stud.
2. Unscrew the wheel stud.
3. After unscrewing the wheel stud, remove the
adapter again.
Screwing on
1.
Place the adapter on the wheel stud. If nec‐
essary, turn the adapter until it fits on the
wheel stud.
2. Screw on the wheel stud. The tightening tor‐
que is 140 Nm.
3. After screwing on the wheel stud, remove the
adapter again and stow it.
Preparing the vehicle
▷ Park the vehicle on firm and non-slip ground
at a safe distance from traffic.
▷ Switch on the hazard warning lights.
▷ Apply the parking brake.
▷ Engage a gear or select selector lever posi‐
tion P.
▷ As soon as the traffic permits, have all vehicle
occupants get out of the vehicle and guide
them out of the danger area, for example be‐
hind the crash barrier.
▷ Depending on the equipment, take the wheel
change tools and, if necessary, the emer‐
gency wheel out of the vehicle.
Seite 357
Wheels and tyres
MOBILITY
357
Online Edition for Part no. xxx - VI/19
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