Mercedes-Benz 2008 R 320 CDI 4MATIC Operator's Manual page 500

Inflating the collapsible tire
Warning!
Inflate collapsible tire only after the wheel is
properly mounted.
Inflate the collapsible tire using the electric
air pump ( page 467) before lowering the
vehicle.
Warning!
Observe instructions on air pump label.
!
Do not lower the vehicle before inflating the
collapsible tire. Otherwise the rim may be dam-
aged.
Take the electric air pump out of the
vehicle tool kit storage well
( page 467).
G
Electric air pump
1 Flap
G
2 On/off switch
3 Electrical plug
4 Air hose with pressure gauge and vent
screw
5 Union nut
Open flap 1 on electric air pump.
Pull out electrical plug 3 and air hose
with pressure gauge 4.
Remove the valve cap from the
collapsible tire valve.
Practical hints
Screw union nut 5 onto the
collapsible tire valve.
Insert electrical plug 3 into a power
outlet ( page 314).
!
The cigarette lighter ( page 312) is not de-
signed for use with the electric air pump. Use a
power outlet ( page 314) for electric air pump
operation.
Turn the SmartKey in the starter switch
to position 1.
Vehicles with KEYLESS-GO*:
Press the KEYLESS-GO start/stop
button once without depressing the
brake pedal.
Press I on electric air pump switch 2.
The electric air pump should now
switch on and inflate the collapsible
tire.
Flat tire
499