X
Insert connector ? into the cigarette
lighter socket or into a 12 V socket in your
vehicle.
Observe the notes on the cigarette lighter
(Y page 309). Observe the notes on
sockets ( Y page 309).
X Turn the SmartKey to position 1 in the
ignition lock ( Y page 153).
X Press on/off switch A
on the tire inflation
compressor to I.
The tire inflation compressor is switched
on. The tire is inflated. The tire pressure is
shown on pressure gauge =.
X Inflate the tire to the specified tire
pressure.
The
specified tire pressure is printed on the
yellow label of the emergency spare wheel.
X When the specified tire pressure has been
reached, press on/off switch A on the
electric air pump to 0.
The tire inflation compressor is switched
off.
X Turn the SmartKey to position 0 in the
ignition lock.
X If the tire pressure is higher than the
specified pressure, press pressure release
button ;
until the correct tire pressure has
been reached.
X Unscrew union nut :
on the air hose from
the valve.
X Screw the valve cap onto the collapsible
spare wheel valve again.
X Stow plug ? and the air hose in the lower
section of the blower housing.
X Stow the tire inflation compressor in the
vehicle. Emergency spare wheel
401
Wheels and tires Z
Technical data
All vehicles (except AMG vehicles) "Minispare" emergency spare wheel
Tires Alloy wheels
T 155/70 R17 110 M
11
Tire pressure: 420 kPa (4.2 bar/61 psi) 4.0 B x 17 H2
11
Wheel offset: 1.54 in (39 mm)T 155/60 R18 107 M
12
Tire pressure: 420 kPa (4.2 bar/61 psi) 4.5 B x 18 H2
12
Wheel offset: 1.42 in
(36 mm)AMG vehicles
Collapsible spare wheel
Tires Alloy wheels
175/50 – 19 97 P
Tire pressure: 350 kPa (3.5 bar/51 psi) 6.5 B x 19 H2
Wheel offset: 0.55 in
(14 mm)11
Not for E 550 4MATIC BlueEFFICIENCY.
12 Only for E 550 4MATIC BlueEFFICIENCY.402
Emergency spare wheel
Wheels and tires