2017 MERCEDES-BENZ GLA-Class winter tires

vide the best possible grip in wintry road con-
ditions. Only these tires will allow driving
safety systems such as ABS and ESP
®to
function optimally in winter. These tires have
been developed specifically for driving in
snow.
Use M+S tires of the same make and tread on all wheels to maintain safe handling charac-
teristics.
Always observe the maximum permissible
speed specified for the M+S tires you have
mounted.
When you have mounted the M+S tires:
XCheck the tire pressures (Ypage 343).
XRestart the tire pressure loss warning sys-
tem (Canada) (
Ypage 347) or restart the
tire pressure monitor (USA) (
Ypage 350).
Snow chains
GWARNING
If snow chains are mounted on the rear
wheels, the snow chains could cause abrasion
to the vehicle body or to chassis components.
This could cause damage to the vehicle or the
tires. There is a risk of an accident.
To avoid hazardous situations:
Rnever mount snow chains on the rear
wheels
Ronly mount snow chains in pairs on the
front wheels.
!On some tire sizes there is not enough
space for snow chains. To avoid damage to the vehicle or tires, observe the "Wheel and
tire combinations" section under "Tires and
wheels".
For safety reasons, Mercedes-Benz recom-
mends that you only use snow chains that
have been specially approved for your vehicle
by Mercedes-Benz, or are of a corresponding
standard of quality. For more information,
please contact a qualified specialist work-
shop. If you intend to mount snow chains, please
bear the following points in mind:
RSnow chains may not be mounted on all
wheel/tire combinations. Permissible
wheel-tire combinations (
Ypage 367).
ROnly use snow chains when driving on
roads completely covered by snow.
Remove the snow chains as soon as possi-
ble when you come to a road that is not
snow-covered.
RLocal regulations may restrict the use of
snow chains. Observe the appropriate reg-
ulations if you wish to mount snow chains.
RDo not exceed the maximum permissible
speed of 30 mph (50 km/h).
RWhen snow chains are installed, never use
Active Parking Assist (
Ypage 203).
You may wish to deactivate ESP
®when pull-
ing away with snow chains installed
(
Ypage 69). You can thereby allow the wheels
to spin in a controlled manner, achieving an
increased driving force (cutting action).
Tire pressure
Tire pressure specifications
Important safety notes
GWARNING
Underinflated or overinflated tires pose the
following risks:
Rthe tires may burst, especially as the load
and vehicle speed increase.
Rthe tires may wear excessively and/or
unevenly, which may greatly impair tire
traction.
Rthe driving characteristics, as well as steer-
ing and braking, may be greatly impaired.
There is a risk of an accident.
Tire pressure343
Wheels and tires
Z

Example:
RTreadwear grade:200
RTraction grade:AA
RTemperature grade: A
All passenger car tires must conform to the
statutory safety requirements in addition to
these grades.
iThe actual values for tires are vehicle-
specific and may deviate from the values in
the illustration.
Treadwear
The treadwear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified
U.S. government course. For example, a tire
graded 150 would wear one and one-half
times as well on the government course as a
tire graded 100.
The relative performance of tires depends
upon the actual conditions of their use, how-
ever, and may depart significantly from the
norm due to variations in driving habits, ser-
vice practices and differences in road char-
acteristics and climate.
Traction
GWARNING
The traction grade assigned to this tire is
based on straight-ahead braking traction
tests, and does not include acceleration, cor-
nering, hydroplaning, or peak traction char-
acteristics.
!Avoid wheelspin. This can lead to damage
to the drive train.
The traction grades – from highest to lowest –
are AA, A, B and C. Those grades represent
the tire's ability to stop on wet pavement as
measured under controlled conditions on
specified government test surfaces of asphalt
and concrete. A tire marked C may have poor
traction performance. The safe speed on a wet, snow covered or icy
road is always lower than on dry road surfa-
ces.
You should pay special attention to road con-
ditions when temperatures are around freez-
ing point.
Mercedes-Benz recommends a minimum
tread depth of
ãin (4 mm) on all four winter
tires. Observe the legally required minimum
tire tread depth (
Ypage 341). Winter tires can
reduce the braking distance on snow-covered
surfaces in comparison with summer tires.
The braking distance is still much further than
on surfaces that are not icy or covered with
snow. Take appropri ate ca
re when driving.
Further information on winter tires (M+S
tires) (
Ypage 342).
Temperature
GWARNING
The temperature grade for this tire is estab-
lished for a tire that is properly inflated and
not overloaded. Excessive speed, underinfla-
tion, or excessive loading, either separately or
in combination, can cause excessive heat
build-up and possible tire failure.
The temperature grades are A (the highest), B,
and C, representing the tire's resistance to
the generation of heat and its ability to dissi-
pate heat when tested under controlled con-
ditions on a specified indoor laboratory test
wheel. Sustained high temperature can cause
the material of the tire to degenerate and
reduce tire life, and excessive temperature
can lead to sudden tire failure. The grade C
corresponds to a level of performance which
all passenger car tires must meet under the
Federal Motor Vehicle Safety Standard No.
109. Grades B and A represent higher levels
of performance on the laboratory test wheel
than the minimum required by law.
356All about wheels an d tires
Wheels and tires

All-weather tires and winter tires
IndexSpeedrating
Q M+S1up to 100 mph (160 km/h)
T M+S1up to 118 mph (190 km/h)
H M+S1up to 130 mph (210 km/h)
V M+S1up to 149 mph (240 km/h)
iNot all tires with the M+S marking provide
the driv ing characteristics of winter tires. In
addit ion to the M+S marking, winter tires
also have the isnowflake symbol on
the tire wall.Tires with this marking fulfill
the requirements of the Rubber Manufac-
turers Association (RMA) and the Rubber
Association of Canada (RAC) regarding the
tire traction on snow. They have been espe-
cial lydeveloped for driving on snow.
An electronic speed limiter prevents your
veh icle from exceeding a speed of 130 mph
(21 0km/ h).
The speed rating of tires mounted at the fac-
tory may be higher than the maximum speed
that the electronic speed limiter permits.
Make sure that your tires have the required
speed rating, e.g. when buying new tires. The
required speed rating for your vehicle can be
found in the "Tires" section (
Ypage 367).
Further information about reading tire data
can be obtained from any qualified specialist workshop.
Load index
In addition to the load-bearing index, load
index :may be imprinted after the letters
that identify speed rating on the sidewall of
the tire. Speed rating (
Ypage 357).
RIf no specification is given: no text (as in the
example above), represents a standard
load (SL) tire
RXL or Extra Load: represents a reinforced
tire
RLight Load: represents a light load tire
RC, D, E: represents a load range that
depends on the maximum load that the tire
can carry at a certain pressure
iTire data is vehicle-specific and may devi-
ate from the data in the example.
Maximum load rating
Maximum tire load :is the maximum per-
missible weight for which the tire is approved.
Do not overload the tires by exceeding the
specified load limit. The maximum permissi-
1Or M+S ifor winter tires.
All about wheels and tires359
Wheels and tires
Z

The recommended pressures for various
operating conditions can be found:
Ron the Tire and Loading Information placardon the B-pillar on the driver's side
Rin the tire pressure table in the fuel filler flap
Observe the notes on recommended tire
pressures under various operating conditions
(
Ypage 343).
Check tire pressures regularly, and only when
the tires are cold. Comply with the mainte-
nance recommendations of the tire manufac-
turer in the vehicle document wallet.
Notes on the vehicle equipment – always
equip the vehicle with:
Rwith tires of the same size on a given axle
(left and right)
Rthe same type of tires at a given time (sum-
mer tires, winter tires, MOExtended tires)
Exception: it is permissible to install a dif-
ferent type or make in the event of a flat
tire. Observe the "MOExtended tires (tires
with run-flat characteristics" section
(
Ypage 323).
Vehicles equipped with MOExtended tires are
not equipped with a TIREFIT kit at the factory.
It is therefore recommended that you addi-
tionally equip your vehicle with a TIREFIT kit if
you mount tires that do not feature run-flat
properties, e.g. winter tires. A TIREFIT kit may
be obtained from a qualified specialist work-
shop.
iNot all wheel and tire combinations are
available at the factory for all countries.
iThe following pages contain information
on approved wheel rims and tire sizes for
equipping your vehicle with winter tires.
Winter tires are not available at the factory
as standard equipment or optional extras.
If you want to equip your vehicle with
approved winter tires, it may be necessary
to obtain wheel rims in the corresponding
size. The size of the approved winter tires
may differ from the standard tires. This is
dependent on the model and the equip-
ment installed at the factory. The tires and wheel rims, as well as further
information, can be obtained at a qualified
specialist workshop.
368Wheel and tire combinations
Wheels and tires

Winter tires
R 17
TiresWheels
BA: 215/60 R17 96 H M+SiBA: 6.5 J x 17 H2
Wheel offset: 1.50 in (38 mm)
R 18
TiresWheels
BA: 215/55 R18 95 H M+Si2BA: 6.5 J x 18 H2
Wheel offset: 1.50 in (38 mm)
BA: 235/50 R18 97 H M+Si3BA: 7.0 J x 18 H2
Wheel offset: 1.81 in (46 mm)
R 19
TiresWheels
BA: 235/45 R19 95 H M+Si3BA: 8.0 J x 19 H2
Wheel offset: 1.71 in (43.5 mm)
GLA 250 4MATIC
Summer tires
R 17
TiresWheels
BA: 215/60 R17 96 VBA: 6.5 J x 17 H2
Wheel offset: 1.50 in (38 mm)
R 18
TiresWheels
BA: 235/50 R18 97 V2, 3BA: 7.0 J x 18 H2
Wheel offset: 1.81 in (46 mm)
2Available as MOExtended tires.3Use of snow chains not permitted. Observe the notes in the "Snow chains" section.
370Wheel and tire combinations
Wheels and tires

R 19
TiresWheels
BA: 235/45 R19 95 V2, 3BA: 8.0 J x 19 H2
Wheel offset: 1.71 in (43.5 mm)
All-weather tires
R 18
TiresWheels
BA: 235/50 R18 97 H M+S2, 3BA: 7.0 J x 18 H2
Wheel offset: 1.81 in (46 mm)
R 19
TiresWheels
BA: 235/45 R19 95 H M+S2, 3BA: 8.0 J x 19 H2
Wheel offset: 1.71 in (43.5 mm)
Winter tires
R 17
TiresWheels
BA: 215/60 R17 96 H M+SiBA: 6.5 J x 17 H2
Wheel offset: 1.50 in (38 mm)
R 18
TiresWheels
BA: 215/55 R18 95 H M+Si2BA: 6.5 J x 18 H2
Wheel offset: 1.50 in (38 mm)
BA: 235/50 R18 97 H M+Si3BA: 7.0 J x 18 H2
Wheel offset: 1.81 in (46 mm)
R 19
TiresWheels
BA: 235/45 R19 95 H M+Si3BA: 8.0 J x 19 H2
Wheel offset: 1.71 in (43.5 mm)
2Available as MOExtended tires.3Use of snow chains not permitted. Observe the notes in the "Snow chains" section.
Wheel and tire combinations371
Wheels and tires
Z

Mercedes-AMG GLA 45 4MATIC
Summer tires
R 19
TiresWheels
BA: 235/45 ZR19 99 Y XL3BA: 8.0 J x 19 H2
Wheel offset: 1.72 in (43.7 mm)
R 20
TiresWheels
BA: 235/40 ZR20 96 Y XL3BA: 8.0 J x 20 H2
Wheel offset: 1.71 in (43.5 mm)
Winter tires
R 18
TiresWheels
BA: 215/55 R18 99 V XL M+SiBA: 7.5 J x 18 H2
Wheel offset: 1.67 in (42.5 mm)
R 19
TiresWheels
BA: 235/45 R19 99 V XL M+Si3BA: 8.0 J x 19 H2
Wheel offset: 1.72 in (43.7 mm)
3Use of snow chains not permitted. Observe the notes in the "Snow chains" section.
372Wheel and tire combinations
Wheels and tires