"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:
Tire labeling overview
The following markings are on the tire in addition to the tire name (sales designation)
and the manufacturer's name:
Uniform tire Quality Grading Standard ()
DOT, Tire Identification Num ...
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As with all BlueEFFICIENCY models from Mercedes-Benz, the R-Class features a
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