clock MERCEDES-BENZ A-CLASS SALOON 2018 User Guide

#
Remo vesticke r2 from the tyre sealant bot‐
tle and af fix it near theva lve on the wheel
with the defective tyre. #
Pull plug 7with the cable and filler hose 3
out of the tyre inflation compressor housing. #
Insert tyre sealant bottle 9in soc ket6 of
th e tyre inflation compressor in such a way
th at there d ar row on tyre sealant bottle 9
matches there d ar row on the tyre inflation
compressor. #
Then turn tyre sealant bottle 9aqu arter
turn clo ckwise. #
Insert the plug of filler hose 3in soc ket5
of tyre sealant bottle 9. #
Then turn filler hose 3aqu arter turn clock‐
wise. #
Remo vetheva lve cap from valve A onthe
fa ulty tyre. #
Screw union nut 4offiller hose 3onto
va lve A. #
Insert plug 7into a 12V soc ket in your
ve hicle. #
Turn theke yto position 1inthe ignition
loc k. 452
Breakdown assis tance

*
NO
TEDama getothe driv etra in due to
incor rect positioning #
Do not position theve hicle abo vethe
connection point of the transport vehi‐
cle. To
wing eyesto rage location The
towing eye1 is located in thestow age
space under the boot floor. Installing
theto wing eye #
Press the mark on co ver1 inwa rds and
re mo ve. #
Screw intheto wing eyeclockwise as far as it
will go and tighten.
Ve hicles with a trailer hitch: vehicles with a
trailer hitch do not ha veare ar brac ketfo rthe to
wing eye. Fasten theto w bar tothe trailer
hitch.
% Make sure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* NO
TEDama gedue toincor rect use of
th eto wing eye When a
towing eye is used toreco ver a vehi‐
cle, theve hicle may be damaged in the proc‐
ess. #
Only use theto wing eyeto to waw ay or
to w start theve hicle. To
w starting theve hicle (eme rgency engine
st art) Ve
hicles with automatic transmission
* NO
TEDama getothe automatic trans‐
mission due to tow-starting The automatic transmission may be damaged
in the process of tow- starting vehicles with
automatic transmission. 464
Breakdown assis tance

R
The vehicle is not on a slope.
R The vehicle is on solid, non-slippery and le vel
ground. #
Apply the electric parking brake manually. #
Movethe front wheels tothest ra ight-ahead
position. #
Vehicles with manual transmission:
engage firs t or reve rsege ar. #
Vehicles with automatic transmission:
shift into position j.#
Switch off the engine. #
Make sure that the engine cann otbe star ted. #
Place choc ks orother suitable items under
th e front and rear of the wheel that is diago‐
nally opposite the wheel you wish tochange. #
Remo vethe hub caps if necessary
(/ page 484). #
Raise theve hicle (/ page 484). Re
moving and fitting hub caps Re
quirements:
R The vehicle is prepared for a wheel change
(/ page 483).
Ve hicles with steel wheels
The wheel trim co vers the wheel bolts. Before
yo u can unscr ewthe wheel bolts, you must
re mo vethe wheel trim. #
Toremo ve:using bo thhands, carefully reach
into two wheel trim openings and remo vethe
wheel trim. Plastic hub cap #
Toremo ve:turn the cent recover of the hub
cap anti-clockwise and remo vethe hub cap. #
Tofit: make sure that the cent recover of the
hub cap is turned anti-clockwise. #
Position the hub cap and turn the cent re
co ver clockwise until the hub cap engages
ph ysically and audibly. Ra
ising theve hicle when changing a wheel Re
quirements:
R There are no persons in theve hicle.
R The vehicle has been prepared for a wheel
ch ange (/ page 483).
R The hub caps ha vebeen remo ved
( / page 484).
Impor tant no tes on using the jack:
R Use only theve hicle-specific jack that has
been tested and appr ovedby Mercedes-Benz
to raise theve hicle.
R The jack is only designed forra ising and
holding theve hicle for a short time while a 484
Wheels and tyres

*
NO
TEVehicle damage from the jack If
yo u do not position the jack cor rectly at
th e appropriate jack support point of the
ve hicle, the jack could tip over with theve hi‐
cle raised. #
The jack is designed exclusively for
jacking up theve hicle at the jack sup‐
port points. #
Take thera tchet out of the tyre-change tool
kit and place it on the he xagon nut of the
jack so that the letters "AUF" are visible. #
Position jack 2at jack support point 1.
% Ifth ere is a total loss of pressure in a tyre, it
may be possible that the jack cann otbe
positioned at jack support point 1. Inthis
case, unload theve hicle. #
Turn ratchet 3clockwise until jack 2sits
comple tely on jack support point 1and the
base of the jack lies evenly on the ground. #
Turn ratchet 3until the tyre is raised a max‐
imum of 3 cm from the ground. #
Loosen and remo vethe wheel
(/ page 486). Re
moving a wheel Re
quirements:
R The vehicle is raised (/ page 484).
When changing a wheel, avoid applying any force
to the brake discs, since this could impair the
le ve l of com fort when braking.
* NO
TEDama getothre ading from dirt on
wheel bolts #
Do not place wheel bolts in sand or on
a dirty sur face. #
Unscr ew the uppermost wheel bolt com‐
ple tely. 486
Wheels and tyres