2019 MERCEDES-BENZ S-CLASS CABRIOLET wheel size

Changing a wheel
Note
s on selecting, installing and replacing
tires Mercedes
-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may not recog‐
nize dangers.
Yo u can ask for information rega rding permit ted
wheel/tire combinations at an authorized
Mercedes-Benz Center. &
WARNING Risk of accident due toincor‐
re ct dimensions of wheels and tires
If wheels and tires of the wrong size are
ins talled, the wheel brakes or wheel suspen‐
sion components may be damaged. #
Alw aysre place wheels and tires with
th ose that fulfill the specifications of
th e original part.
When replacing wheels, make sure tofit the
cor rect:
R Designation R
Model
When replacing tires, make sure toins tallthe
cor rect:
R Designation
R Manufactu rer
R Model &
WARNING Risk of inju rythro ugh exceed‐
ing the specified tire load rating or the
permissible speed rating
Exceeding the specified tire load rating or
th e permissible speed rating may lead totire
dama geand tothe tires bur sting. #
Therefore, only use tire types and sizes
appr ovedfo ryo ur vehicle model. #
Obser vethe tire load rating and speed
ra ting requ ired foryo ur vehicle. *
NO
TEVehicle and tire damage thro ugh
tire types and sizes that ha venot been
appr oved Fo
r saf etyre asons, on lyuse tires, wheels
and accessories which ha vebeen specially
appr ovedby Mercedes-Benz foryo ur vehicle.
These tires are specially adap tedto the con‐
trol sy stems, such as ABS, ESP ®
and
4MATIC, and mar ked as follo ws:
R MO = Mercedes-Benz Original
R MOE = Mercedes-Benz Original Extended
(run-flat tire only for cer tain wheels)
R MO1 = Mercedes-Benz Original (only cer‐
tain AMG tires)
Cer tain characteristics, such as handling,
ve hicle noise emissions, fuel consum ption,
et c. may otherwise be adversely af fected.
Fu rthermore, other tire sizes could result in
th e tires rubbing against the body and axle
components when loaded. This could result
in damage tothe tire or theve hicle. 396
Wheels and tires

Obser
vethefo llowing when selecting, ins talling
and replacing tires:
R Only use tires and wheels of the same type
(summer tires, winter tires, MOEx tended
tires) and the same make.
R Only ins tall wheels of the same size on one
axle (left and right).
It is only permissible toins tall a dif fere nt
wheel size in theeve nt of a flat tire in order
to drive tothe specialist workshop.
R Only ins tall tires of the cor rect size onto the
wheels.
R Vehicles with a tire pressure monitoring
sy stem: All ins talled wheels must be equip‐
ped with functioning sensors forth e tire
pressure monitoring sy stem.
R Attemp eratures below 45 °F (7 °C), use win‐
te r tires or all-season tires mar ked M+S for
all wheels.
Wi nter tires bearing the004D snowflake sym‐
bol in addition tothe M+S marking pr ovide
th e best possible grip in wintry road condi‐
tions. R
For M+S tires, only use tires with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tires ins talled.
If th is is below theve hicle's maximum speed,
th is must be indicated byan appropriate
label in the driver's field of vision.
R Break in new tires at moderate speeds for
th efirs t 60 miles (100 km).
R Replace the tires af ter six years at the latest,
re ga rdless of wear.
R When replacing with tires that do not fea‐
ture run-flat characteristics: vehicles with
MOExtended tires are not equipped with a
TIREFIT kit at thefa ctor y.Equip theve hicle
with a TIREFIT kit af terre placing with tires
th at do not feature run-flat characteristics,
e.g. winter tires.
Fo r more information on wheels and tires, con‐
tac t a qualified specialist workshop.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tire pressure (→ page377) R
Tire and Loading In form ation placard
(→ page 384)
R Tire size designation, load-beari ng capacity,
speed rating and load ind ex (→page 391)
R Tire pressure table (→ page379) Note
s onrotating wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels if the
wheels or tires ha vediffere nt dimensions
may se verely impair the driving characteris‐
tics.
The wheel brakes or wheel suspension com‐
ponents may also be damaged. #
Rotate front and rear wheels on lyifthe
wheels and tires are of the same dimen‐
sions. 398
Wheels and tires

The
wear pat tern s on the front and rear wheels
dif fer:
R Front wheels wear more on the shoulder of
th e tire
R Rear wheels wear more in the center of the
tire
On vehicles that ha vethe same size front and
re ar wheels, rotat eth e wheels according tothe
inter vals in the tire manufacturer's warranty
book in your vehicle documents. If this is not
av ailable, rotate the tires every
3,000 to6,000 mile s (5,000to10,000 km),
depending on thewe ar. Ensure that the direction
of rotation is maintained.
It is impe rative toobser vethe instructions and
saf ety no tes on "Changing a wheel" when doing
so Preparing theve hicle for a wheel
ch ange( →page 400). Note
s onstoring wheels When
storing wheels, obser vethefo llowing
no tes:
R Afterre moving wheels, store them in a cool,
dry and preferably dark place.
R Protect the tires from conta ct withoil, grease
or fuel. Overview of
the tire-chan getool kit Apart from some countr
y-specific variants, vehi‐
cles are not equipped with a tire-change tool kit.
Fo r more information on which tire-changetools
are requ ired and appr ovedfo r per form ing a
wheel change on your vehicle, consult a qualified
specialist workshop.
Re quired tire-change tools may include, for
ex ample:
R Jack
R Chock
R Lug wrench
R Alignment bolt The tire-change
tool kit is located under the
trunk floor. 1
Ratchet
2 Alignment bolt
3 Jack ing support
4 Jack
5 Lug wrench
6 Folding chock Wheels and tires
399

Closing using
the SmartK ey................... 75
Con venience closing feature ................ .75
Con venience opening ............................ 74
Opening .................................................72
Opening (all) .......................................... 72
Opening with the SmartK ey................... 74
Problem .................................................75
Size designation (tires) ........................... 391
SmartK ey................................................... 58
Ac oustic locking verification signal ....... 59
Battery .................................................. 60
Energy consu mption .............................. 59
Fe atures ................................................ 58
Ke yring attachment .............................. 60
Mechanical key ...................................... 60
Overview .............................................. .58
Pa nic alarm ........................................... 59
Problem ................................................. 61
Un locking setting .................................. 59
Sma rtKe y functions
Deactivating .......................................... 59
Smartphone see Android Auto
see Apple CarPlay™ see Mercedes-Benz Link
see
Telephone
Snow chains ............................................. 377
Soc ket (12 V) ............................................ 106
Fr ont center console ........................... 106
Re ar passenger compartment ............ .107
Tr unk .................................................. .107
Soft top
Care .................................................... 350
Closing (soft- top switch) ........................ 77
Closing using the SmartK ey................... 75
Opening (soft-top switch) ......................77
Opening with the SmartK ey................... 74
Problem .................................................82
Re locking .............................................. .78
Soft-top switch .......................................... 77
Software update ...................................... 255
Impor tant sy stem updates .................. 256
Information .......................................... 255
Pe rforming .......................................... 255
Sound PRE-SAFE ®
Sound ................................. 46
Wheels and tires ..................................3 76Sound
see Burmes ter®
sur round sound sy stem
see Sound settings
Sound settings ........................................3 33
Ad justing the balance/fader ............... 333
Ad justing treble, mid-range and bass
settings ............................................... 333
Au tomatic volume adjustment ............ .333
Calls up the sound menu ..................... 333
Information .......................................... 333
Special seat belt retractor ........................ 52
Speciali stwo rkshop ..................................24
Speech dialog sy stem
see Voice Cont rol Sy stem
Speed index (tires) ..................................3 91
Speedome ter
Digital ................................................. .216
Spotlight function Switching on/off ................................. 202
St andby mode
Ac tivating/deactivating ...................... .155
Fu nction .............................................. 154
St anding lights ......................................... 111 Index
505