Page 407 of 441

Country Radio type approval number
Brazil 1489-10-4415
Dubai TRA, Registered NO
0016161/08
TRA, Registered NO
0016162/08
Morocco MR5527 ANRT 2010
/27. April
2010
MR5526 ANRT 2010/ 27. April
2010 Ph
ilip-
pines ESD-1105558C
Singa-
pore Compliance with IDA Standard
N0140-09
South
Africa TA-2008/1068
TA-2008/1069
Changing
awheel Flat tyre
Yo uc an find information on wha ttodointhe
even tofa flat tyre in th e"Breakdown assis-
tance" sectio n(Ypage 378). Instruction sfor
drivin gwith MOExtended tyres in the event of
af lat tyre are also provided there.
Vehicles with an emergency spare
wheel: in the event of aflat tyre, the emer-
gency spare wheel is fitted according to the
description under "Fittin gawheel"
(Y page 405). Inte
rchangin gthe wheels G
WARNING
Interchanging the front and rear wheel smay
severely impair the driving characteristic sif
the wheels or tyres have differen tdimensions.
The wheel brakes or suspension componen ts
may als obedamaged. There is arisk of acci-
dent. Interchange front and rear wheels only if the
wheels and tyre
sare of th esame dimensions.
! On vehicles fitted with atyre pressure
monitor ,electronic componen tsare loca-
ted in the wheel.
Tyre-fittin gtools should not be applied in
the area of the valve, as this coul ddamage
the electronic components.
Only have tyre schanged at aqualified spe-
cialist workshop.
Interchanging the front and rear wheel sof
diff ering dimension scan render the general
operating permit invalid.
Obse rvet he instructions and safet ynotes in
the "Fi ttin gaw heel" section (Y page 405).
The wear pattern sonthe fr ont an drear tyr es
diff er,depending on the operating conditions.
Interchange the wheels befor eaclear wear
pattern ha sform edon the tyr es.F ront tyres
typicall ywearm ore on the shoulder sand the
rea rtyre sint he centre.
On vehicles that have the same size front and
rear wheels, you can interchange the wheels
every 5000k mto10,000 km depending on
the degre eoftyre wear. Maintain the direc-
tion of tyre rotation.
Clea nthe con tact surface softhe wheel and
the brake disc thoroughly ever ytime awheel
is interchanged. Chec kthe tyr epressure and,
if necessary, restart th etyre pressure loss
warning syste morthe tyrepressure monitor. Directio
nofrotation
Tyres with aspecified direction of rotation
have additional benefits, e.g. if there is arisk
of aquaplaning. You will only gain these ben-
efits if the correct direction of rotation is
observed.
An arrow on the sidewall of the tyre indicates
its correct direction of rotation. 404
Changing
awheelWheels and tyres
Page 413 of 441

!
Larg ewheels: the lower the section width
for acertain wheel size, the lower the ride
comfor tiso np oor roa dsurfaces. Roll com-
fort and suspensio ncomfort ar ereduced
and the risk of damage to the wheels and
tyres as aresult of driving over obstacles
increases.
Overview of abbreviations used in the follow-
ing tyr etables:
R BA: both axles
R FA: front axle
R RA: rear axle
You will find atable with recommended tyre
pressures for various operating conditions on
the inside of your vehicle's fuel filler flap. For
further information on tyre pressure, see
(Y page 399). Check tyre pressures regularly
and only when the tyres are cold.
Notes on the vehicle equipment –always fit
the vehicle:
R with tyre softhe sam esize on agiven axle
(left/right)
R with the same type of tyre satagiven time
(summer tyres, winter tyres, MOEx tended
tyres)
Vehicles with MO Extended tyres are not
equippe dwithaTIREFIT kit at th efactory. It
is therefore recommended that you addition-
ally equip your vehicle with aTIREFIT kit if you
fit tyres that do no tfeature run -flat charac-
teristics, e.g. winter tyres. ATIREFIT kit can
be obtaine dfrom aqualified specialist work-
shop.
i Not all wheel/tyre combinations can be
mounted at the factory in all countries. 410
Wheel and tyr
ecombinationsWheels and tyres
Page 417 of 441

GL 63 AMG
Summer tyres
R21
Tyres Light-alloy wheels
BA: 295/40 ZR 21 111
YXL1 BA: 10.0
Jx21H2ET46 Winter tyres
R20
Tyres Light-alloy wheels
BA: 275/45
R20110VXLM +Si BA: 9.0
Jx20H2ET41 Emergency spare wheel
Important safety notes
G
WARNING
The wheel/tyr edimensions and the tyre type
of the spare wheel/emergency spare wheel
and the whee ltobereplaced may differ. Fit-
ting aspare wheel/emergency spare wheel
may severely impair the driving characteris-
tics. There is arisk of accident.
To prevent hazardous situations:
R Adapt you rdriving style accordingl yand
drive carefully.
R Never fit more than one spare whe el/emer-
gency spare whe elif the dimesions are dif-
ferent to those of the whee lbeing replaced.
R Only use aspare wheel/emergency spare
whee lbriefl yift he dimesions ar ediffer ent
to thos eofthe wheel being repl aced.
R Do not switch off ESP ®
.
R Hav ethe spar ewheel/emergency spare
wheel in question repl aced at the nearest
qualified specialist workshop .Make sure
that the wheel/ty redimension sand tyre
type are correct.
! AMG vehicles equipped with the
"Minis pare"emergency spare wheel:
Use the "Minispare" emergency spare wheel
only on th ereara xle.Ift he
"Mini spare" eme rgency spar ewheel is
mou nted on th efront axle, it could damage
the brake system.
If at yre on the front axl eisfaulty ,anintact
whee lfrom th ereara xlem ustfirst be
replaced by th e"Minispare" emergency
spare wheel. The faulty tyre on the front
axl es hould then be replaced by the int act
tyre from the rea raxle.
Be sure to observe the instructio nlabel on
the "Minispare" emergenc yspar ew heel.
When usin ganemergenc yspar ew heel or
spar ewheel of adifferent size, you must not
excee dthe maximu mspee dof80k m/h.
Snow chain smust not be fitted to emergency
spare wheels. General notes
Fittin gthe emergency spar ewheel is descri-
bed in "Fi ttin gaW heel" (Y page 405).
You should regularly chec kthe pressur eof
the emergency spare wheel, particularly prior
to long trips, and correct the pressure as nec-
essary (Y page 399). The applicable value is
found on the whee loru nder "Technical data"
(Y pag e417).
1 Use of sno wchains is not permitted. Observ ethe notes under "Snow chains". 414
Emergency spar
ewheelWheels and tyres