Page 408 of 426

X
Mount the collapsible spare wheel as
described (Y page 384).
The collapsible spare wheel must be moun-
ted before it is inflated.
X Pull connector 0085and the hose out of the
housing.
X Remove the cap from the valve on the col-
lapsible spare wheel.
X Screw union nut 0043of the hose onto the
valve.
X Make sure on/off switch 0083of the tire
inflation compressor is set to 0.
X Insert connector 0085into a 12 V socket
(Y page 314) in your vehicle.
X Turn the SmartKey to position 1in the igni-
tion lock (Y page 157).
X Press on/off switch 0083on 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 0087.
X Inflate the tire to the specified tire pres-
sure.
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 0083on the
electric air pump to 0.
The tire inflation compressor is switched
off.
X Turn the SmartKey to position 0in the igni-
tion lock.
X If the tire pressure is higher than the speci-
fied pressure, press pressure release valve button
0044until the correct tire pressure has
been reached.
X Unscrew air hose union nut 0043from the
valve.
X Screw the cap onto the valve of the col-
lapsible spare wheel again.
X Stow connector 0085and the hose in the
lower section of the tire inflation compres-
sor.
X Stow the tire inflation compressor in the
vehicle. 406
Emergency spare wheelWheels and tires
Page 409 of 426
Technical data
All vehicles (except AMG vehicles) "Minispare" emergency spare wheel
Models with 4-cylinder engine
Tires Alloy wheels
T 155/7
0 R17 110 M
Tire pressure : 420 kPa (4.2 bar/61 psi) 4.0 B x 17 H2
Wheel offset: 1.54 in (39 mm) Models with 6-cylinder engine
Tires Alloy wheels
T 155/70 R17 110 M
Tire pressure: 420 kPa (4.2 bar/61 psi) 4.0 B x 17 H2
Wheel offset: 1.34 in (34 mm) Models with 8-cylinder engine
Tires Alloy wheels
T 155/60 R18 107 M
Tire pressure: 420 kPa (4.2 bar/61 psi) 4.5 B x 18 H2
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) Emergency spare wheel
407Wheels and tires Z
Page 421 of 426

applicable regulations must be adhered to,
SAE standard J639 included.
Always have work on the climate control sys- tem carried out at a qualified specialist work-
shop.
Refrigerant instruction label Example: refrigerant instruction label
0043 Warning symbol
0044 Refrigerant filling capacity
0087 Applicable standards
0085 PAG oil part number
0083 Type of refrigerant
Warning symbol 0043advises you about:
R possible dangers
R having service work carried out at a quali-
fied specialist workshop
Filling capacities Missing values were not available at time of
going to print.
AMG vehicles Capacity
Refrigerant
22.6 ± 0.4 oz
(640 ± 10 g) PAG oil All other models Capacity
Refrigerant
20.8 ± 0.4 oz
(590 ± 10 g) PAG oil
4.2 oz
(120 g) Vehicle data
General notes
Please note that for the specified vehicle
data: R the heights specified may vary as a result
of:
- tires
- load
- condition of the suspension
- optional equipment
R optional equipment reduces the maximum
payload. Dimensions and weights Vehicle data
419Technical data Z