Mercedes-Benz A-Class 2021 Operator's Manual page 272

270 Breakdown assistance
Remove sticker 2 from the tire sealant bot‐
#
tle and affix it near the valve on the wheel
with the faulty tire.
Pull plug 7 with the cable and filler hose
#
out of the tire inflation compressor housing.
Insert tire sealant bottle 9 in socket
#
the tire inflation compressor in such a way
that the red arrow on tire sealant bottle
matches the red arrow on the tire inflation
compressor.
Turn tire sealant bottle
#
clockwise.
Insert the plug of filler hose
#
of tire sealant bottle 9.
Turn filler hose 3 a quarter turn clockwise.
#
Remove the valve cap from valve
#
3
faulty tire.
Screw union nut 4 of filler hose
#
6 of
valve A.
9
Insert plug
#
vehicle.
9 a quarter turn Turn the SmartKey to position 1 in the igni‐
#
tion lock.
3 in socket 5 Press on and off switch
#
tion compressor.
The tire inflation compressor is switched on.
The tire is inflated. First, tire sealant is pum‐
ped into the tire. The pressure may briefly
rise to approximately 500 kPa (5 bar/73 psi).
Do not switch off the tire inflation compres‐
sor during this phase!
Let the tire inflation compressor run for a
#
maximum of ten minutes.
The tire should then have attained a tire
pressure of at least 200 kPa (2.0 bar/
29 psi).
A on the
If tire sealant leaks out, make sure you clean the
affected area as quickly as possible. It is prefera‐
ble to use clean water.
3 onto
If you get tire sealant on your clothing, have it
cleaned as soon as possible with perchloroethy‐
lene.
7 into a 12 V socket in your
8 on the tire infla‐