Mercedes-Benz S-Class Coupe 2018 Operator's Manual page 389

Using the lug wrench, loosen the wheel bolts
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on the wheel you wish to change by about
one full turn. Do not unscrew the bolts com‐
pletely.
Position of jack support points
& WARNING Risk of injury from incorrect
positioning of the jack
If you do not position the jack correctly at
the appropriate jacking point of the vehicle,
the jack could tip with the vehicle raised.
Only position the jack at the appropri‐
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ate jacking point of the vehicle. The
base of the jack must be positioned ver‐
tically under the jacking point of the
vehicle.
Wheels and tires 387
* NOTE Vehicle damage from the jack
If you do not position the jack correctly at
the appropriate jack support point of the
vehicle, the jack could tip over with the vehi‐
cle raised.
The jack is designed exclusively for
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jacking up the vehicle at the jack sup‐
port points.
Take the ratchet wrench out of the tire-
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change tool kit and place it on the hexagon
nut of the jack so that the lettering "AUF" is
visible.