"Minispare" emergency spare wheel
The "Minispare" emergency spare wheel can be found in the stowage well under the trunk floor.
Lift the trunk floor up.

Turn stowage tray 3 counter-clockwise
and remove together with vehicle tool kit
tray 2.
Remove "Minispare" emergency spare
wheel 1.
For further information on changing a wheel and mounting the spare wheel.
See also:
The windshield wipers are obstructed
Leaves or snow, for example, may be
obstructing the windshield wiper movement.
The wiper motor has been deactivated.
For safety reasons, you should remove the
SmartKey from the ignition lock.
...
Modest Power
Throw in the upsized dimensions and standard all-wheel drive, and the E350
wagon is, well, portly. Its considerable 4,213-pound curb weight is greater than
the V-8 E550 4Matic sedan's. The wagon's ...
Rear seat head restraints
WARNING
For safety reasons, always drive with the rear
head restraints in the upright position when
the rear seats are occupied.
Keep the area around head restraints clear of
articles ...
