Mercedes-Benz M-Class Owner's Manual page 342

the wheel that is diagonally opposite the
wheel you wish to change.
Securing the vehicle on slight downhill gradients
On downhill gradients: place chocks or
X
other suitable items in front of the wheels
of the front and rear axle.
Raising the vehicle
G
WARNING
The jack is intended only for lifting the vehicle
briefly for wheel changes.
The vehicle must be placed on stands if you
intend to work under it.
Make sure that the jack is placed on a firm,
non-slip, level surface. Do not use wooden
blocks or similar objects as a jack underlay.
The vehicle could otherwise slip off the jack
and seriously injure you.
Do not start the engine at any time while the
wheel is being changed.
Do not lie under the vehicle when it is being
supported by the jack. If you do not raise the
vehicle as described, it could slip off the jack
(e.g. if the engine is started or a door or the
tailgate is opened or closed) and seriously
injure you.
G
WARNING
If you fail to position the jack correctly, the
vehicle may:
slip off the jack
R
injure you or others
R
be damaged.
R
Therefore, make sure that the jack is posi-
tioned correctly in the respective jacking
points. Before positioning the jack, remove
any dirt that may have collected in the jacking
points. Please note that you must position the
jack in the opening of the jacking point.
Using wheel wrench :, loosen the bolts on
X
the wheel you wish to change by about one
full turn. Do not unscrew the bolts com-
pletely.
The jacking points are located just behind the
front wheel arches and just in front of the rear
wheel arches (arrows).
Take the ratchet ring spanner out of the
X
vehicle tool kit and place it on the hexagon
nut of the jack so that the letters AUF are
visible.
Flat tyre
339
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