Mercedes-Benz A-Class 2020 Operator's Manual page 328

326 Wheels and tires
Pump the tire to the specified tire pressure.
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The specified tire pressure is stated on the
label of the emergency spare wheel.
When the specified tire pressure has been
#
reached, press on and off switch
tire inflation compressor to 0.
The tire inflation compressor is switched off.
Turn the SmartKey to position g in the igni‐
#
tion lock.
If the tire pressure is higher than the speci‐
#
fied pressure, press pressure release valve
button 7 until the correct tire pressure has
been reached.
Unscrew union nut 3 of filler hose
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the valve.
Screw the valve cap of the emergency spare
#
wheel onto the valve again.
Stow filler hose 2 and plug 4
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section of the compressor housing.
Stow the tire inflation compressor in the
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vehicle.
Inflating the emergency spare wheel
* NOTE Overheating due to the tire infla‐
tion compressor running too long
5 on the
Do not run the tire inflation compressor
#
for longer than ten minutes without
interruption.
Requirements:
Comply with the manufacturer's safety notes
R
on the sticker of the emergency spare wheel
and on the tire inflation compressor.
Remove the tire inflation compressor from
R
the stowage space under the cargo compart‐
2 from
ment floor ( page 275).
/
in the lower
Remove sticker 1 from the tire inflation
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compressor housing and affix it to the instru‐
ment cluster within the driver's field of
vision.