snow chains MERCEDES-BENZ M-Class 2015 W166 User Guide

The differential lock improves the vehicle's
traction. 4ETS (Y page 73) controls the bal-
ance between both wheels on an axle.
You can only activate off-road program 2
when driving at speeds of 25 mph (40 km/h)
or below.
LOW RANGE off-road gear (vehicles
with the ON&OFFROAD package) Important safety notes
G
WARNING
If you select the LOW RANGE off-road gear on a slippery road surface, the wheels could lose traction:
R if you remove your foot from the accelera-
tor pedal when driving
R if off road ABS intervenes when braking
If the wheels lose traction. the vehicle can no
longer be steered. There is an increased dan-
ger of skidding and accidents.
Never select the LOW RANGE off-road gear
when driving on slippery road surfaces. G
WARNING
If you do not wait for the transfer case gear
change process to complete, the transfer
case could remain in the neutral position. The power transmission to the driven wheels is
then interrupted. There is a danger of the
vehicle rolling away unintentionally. There is a
risk of an accident.
Wait until the transfer case shift process is
completed.
Do not turn off the engine while changing gear
and do not shift the automatic transmission
to another position. General notes 0043
LOW RANGE off-road gear button
0044 LOW RANGE off-road gear indicator lamp HIGH RANGE
Position for all normal on-
road driving conditions
LOW RANGE
Off-road position for driv-
ing off-road and fording
The transmission ratio
between the engine and
wheels is only approx-
imately one third of that in
the HIGH RANGE road
position. Drive torque is
thus proportionately
higher.
Do not use LOW RANGE:
R on slippery road surfa-
ces, e.g. in the case of
slush
R on snow or ice-covered
roads
R if you have mounted
snow chains to your
vehicle The LOW RANGE off-road gear assists you in
driving off-road and when fording. When LOW
RANGE is engaged, the engine’s performance
characteristics and the gearshifting charac-
teristics of the automatic transmission are
adapted for this purpose.
Further information about "Driving off-road"
(Y page 191). You will find information about
driving safety systems in conjunction with Driving systems
253Driving and parking Z

Only winter tires bearing the
004Dsnowflake
symbol in addition to the M+S marking pro-
vide the best possible grip in wintry road con- ditions.
Only these tires will allow driving safety sys-
tems such as ABS and ESP ®
to function opti-
mally in winter. These tires have been devel-
oped 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.
Once the winter tires are mounted:
X Check the tire pressures (Y page 407).
X Restart the tire pressure monitor
(Y page 408).
X Vehicles for Canada: restart the tire pres-
sure loss warning system (Y page 408).
For more information on driving with the
emergency spare wheel, see (Y page 440).Snow chains
G
WARNING
If snow chains are installed to the front
wheels, they may drag against the vehicle
body or chassis components. This could
cause damage to the vehicle or the tires.
There is a risk of an accident.
To avoid hazardous situations:
R never install snow chains to the front
wheels
R always install snow chains in pairs to the
rear wheels.
! You must drive at raised vehicle level
(height 1) if snow chains have been instal-
led. The vehicle may otherwise be dam-
aged.
! Vehicles with Adaptive Damping Sys-
tem (ADS): do not use the sports mode if you have installed snow chains. The vehicle
may otherwise be damaged.
! 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 correspondingstandard of quality.
If you intend to mount snow chains, please
bear the following points in mind:
R Only 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.
R Do not exceed the maximum permissible
speed of 30 mph (50 km/h).
R Local regulations may restrict the use of
snow chains. Observe the appropriate reg-
ulations if you wish to mount snow chains.
R Snow chains may not be mounted on all
wheel/tire combinations. Permissible
wheel-tire combinations (Y page 428).
i You may wish to deactivate ESP ®
when
pulling away with snow chains installed
(Y page 73). You can thereby allow the
wheels to spin in a controlled manner, ach-
ieving an increased driving force (cutting
action).
For more information on driving with the
emergency spare wheel, see (Y page 440). Winter operation
403Wheels and tires Z

when adjusting the tire pressure
(Y
page 404).
i The actual values for tires are vehicle-
specific and may deviate from the values in
the illustration. Checking the tire pressures
Important safety notes Observe the notes on tire pressure
(Y
page 404).
Information on air pressure for the tires on
your vehicle can be found:
R on the vehicle's Tire and Loading Informa-
tion placard on the B-pillar (Y page 412)
R on the tire pressure label on the fuel filler
flap (Y page 179)
R in the "Tire pressure" section
R under "Tire pressure" (Y page 404)
Checking tire pressures manually To determine and set the correct tire pres-
sure, proceed as follows:
X Remove the valve cap of the tire that is to
be checked.
X Press the tire pressure gauge securely onto
the valve.
X Read the tire pressure and compare it with
the recommended value on the Tire and
Loading Information placard (Y page 404).
X If the tire pressure is too low, increase it to
the recommended value.
X If the tire pressure is too high, release air by
pressing down the metal pin in the valve.
Use the tip of a pen, for example. Then,
check the tire pressure again using the tire
pressure gauge.
X Screw the valve cap onto the valve.
X Repeat these steps for the other tires. Tire pressure loss warning system
General notes While the vehicle is in motion, the tire pres-
sure loss warning system monitors the set
tire pressure using the rotational speed of the wheels. This enables the system to detect
significant pressure loss in a tire. If the speed
of rotation of a wheel changes as a result of a loss of pressure, a corresponding warning
message will appear in the multifunction dis- play.
You can recognize the tire pressure loss warn-
ing by the Run Flat Indicator Active Run Flat Indicator Active
Press 'OK' to Restart
Press 'OK' to Restart message which
appears in the Service
Servicemenu of the multi-
function display. Information on the message
display can be found in the "Restarting the tire
pressure loss warning system" section
(Y page 408).
Important safety notes The tire pressure warning system does not
warn you of an incorrectly set tire pressure.
Observe the notes on the recommended tire
pressure (Y page 404).
The tire pressure loss warning does not
replace the need to regularly check the tire
pressure. An even loss of pressure on several tires at the same time cannot be detected by
the tire pressure loss warning system.
The tire pressure monitor is not able to warn
you of a sudden loss of pressure, e.g. if the
tire is penetrated by a foreign object. In the
event of a sudden loss of pressure, bring the
vehicle to a halt by braking carefully. Avoid
abrupt steering maneuvers.
The function of the tire pressure loss warning system is limited or delayed if:
R snow chains are mounted on your vehicle's
tires.
R road conditions are wintry.
R you are driving on sand or gravel. Tire pressure
407Wheels and tires Z

Tires
ML 250 BlueTEC 4MATIC Summer tires
R 18
Tires Alloy wheels
BA: 255/5
5 R 18 105 V BA: 8.0 J x 18 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/55 R 18 105 V BA: 8.0 J x 18 H2
Wheel offset: 2.22 in (56.5 mm)
R 19
Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 103 W
3, 4 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
BA: 255/50 R 19 103 W
3, 4 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
R 20
Tires Alloy wheels
BA: 265/45 R 20 104 Y
3, 4 BA: 9.0 J x 20 H2
Wheel offset: 2.24 in (57 mm)
R 21
Tires Alloy wheels
BA: 265/40 R 21 105 Y XL
4, 5, 6 BA: 9.0 J x 21 H2
Wheel offset: 2.09 in (53 mm)
3
Available as MOExtended tires.
4 Use of snow chains is not permitted. Observe the notes under "Snow chains".
5 Observe the notes on "Large wheels" under "General notes" in the "Wheel/tire combinations" section.
6 Only for vehicles with air suspension. 430
Wheel and tire combinationsWheels and tires

All-weather tires
R 18
Tires Alloy wheels
BA: 255/55 R 18 105 H M+S BA: 8.0 J x 18 H2
Wheel offset: 2.20 in (56 mm)
R 19
Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
BA: 255/50 R 19 107 H XL M+S
3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 107 H XL M+S
3, 7 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
BA: 255/50 R 19 107 H XL M+S
3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
R 20
Tires Alloy wheels
BA: 265/45 R 20 108 H XL M+S
3, 8 BA: 9.0 J x 20 H2
Wheel offset: 2.24 in (57 mm)
Winter tires
R 17
Tires Alloy wheels
BA: 235/65 R 17 104 H M+S
004D BA: 7.5 J x 17 H2
Wheel offset: 2.09 in (53 mm)
R 18
Tires Alloy wheels
BA: 255/55 R 18 105 H M+S
004D BA: 8.0 J x 18 H2
Wheel offset: 2.20 in (56 mm)
3
Available as MOExtended tires.
7 Snow chains not permitted. Observe the notes under "Snow chains".
8 Snow chains not permitted. Observe the notes under "Snow chains". Wheel and tire combinations
431Wheels and tires Z

R 19
Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
BA: 255/50 R 19 107 H XL M+S
004D3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 107 H XL M+S
004D3, 4 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
R 20
Tires Alloy wheels
BA: 265/45 R 20 108 V XL M+S
004D4 BA: 9.0 J x 20 H2
Wheel offset: 2.05 in (52 mm)
ML 350
All-weather tires
R 18 Tires Alloy wheels
BA: 255/55 R 18 105 H M+S BA: 8.0 J x 18 H2
Wheel offset: 2.20 in (56 mm)
R 19
Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
BA: 255/50 R 19 107 H XL M+S
3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 107 H XL M+S
3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
BA: 255/50 R 19 107 H XL M+S
3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
3
Available as MOExtended tires.
4 Use of snow chains is not permitted. Observe the notes under "Snow chains".
8 Snow chains not permitted. Observe the notes under "Snow chains". 432
Wheel and tire combinationsWheels and tires

R 20
Tires Alloy wheels
BA: 265/45 R 20 108 H XL M+S
3, 8 BA: 9.0 J x 20 H2
Wheel offset: 2.24 in (57 mm)
Winter tires
R 18
Tires Alloy wheels
BA: 255/55 R 18 105 H M+S
004D BA: 8.0 J x 18 H2
Wheel offset: 2.20 in (56 mm)
R 19
Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
BA: 255/50 R 19 107 H XL M+S
004D3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 107 H XL M+S
004D3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
R 20
Tires Alloy wheels
BA: 265/45 R 20 108 V XL M+S
004D4 BA: 9.0 J x 20 H2
Wheel offset: 2.05 in (52 mm)
3
Available as MOExtended tires.
8 Snow chains not permitted. Observe the notes under "Snow chains".
4 Use of snow chains is not permitted. Observe the notes under "Snow chains". Wheel and tire combinations
433Wheels and tires Z

ML 350 4MATIC
All-weather tires
R 19
Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
BA: 255/50 R 19 107 H XL M+S
3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 107 H XL M+S
3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
BA: 255/50 R 19 107 H XL M+S
3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
R 20
Tires Alloy wheels
BA: 265/45 R 20 108 H XL M+S
3, 8 BA: 9.0 J x 20 H2
Wheel offset: 2.24 in (57 mm)
Winter tires
R 18
Tires Alloy wheels
BA: 255/55 R 18 105 H M+S
004D BA: 8.0 J x 18 H2
Wheel offset: 2.20 in (56 mm)
R 19
Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
BA: 255/50 R 19 107 H XL M+S
004D3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 107 H XL M+S
004D3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
3
Available as MOExtended tires.
8 Snow chains not permitted. Observe the notes under "Snow chains". 434
Wheel and tire combinationsWheels and tires

R 20
Tires Alloy wheels
BA: 265/45 R 20 108 V XL M+S
004D4 BA: 9.0 J x 20 H2
Wheel offset: 2.05 in (52 mm)
ML 350 BlueTEC 4MATIC
All-weather tires
R 19
Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
BA: 255/50 R 19 107 H XL M+S
3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 107 H XL M+S
3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
BA: 255/50 R 19 107 H XL M+S
3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
R 20
Tires Alloy wheels
BA: 265/45 R 20 108 H XL M+S
3, 8 BA: 9.0 J x 20 H2
Wheel offset: 2.24 in (57 mm)
Winter tires
R 18
Tires Alloy wheels
BA: 255/55 R 18 105 H M+S
004D BA: 8.0 J x 18 H2
Wheel offset: 2.20 in (56 mm)
4
Use of snow chains is not permitted. Observe the notes under "Snow chains".
3 Available as MOExtended tires.
8 Snow chains not permitted. Observe the notes under "Snow chains". Wheel and tire combinations
435Wheels and tires Z

R 19
Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
BA: 255/50 R 19 107 H XL M+S
004D3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 107 H XL M+S
004D3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
R 20
Tires Alloy wheels
BA: 265/45 R 20 108 V XL M+S
004D4 BA: 9.0 J x 20 H2
Wheel offset: 2.05 in (52 mm)
ML 400
All-weather tires
R 19 Tires Alloy wheels
BA: 225/50 R 19 103 W
3 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
BA: 255/50 R 19 107 H XL M+S
3 BA: 8.0 J x 19 H2
Wheel offset: 2.20 in (56 mm)
BA: 255/50 R 19 107 H XL M+S
3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.32 in (59 mm)
BA: 255/50 R 19 107 H XL M+S
3, 8 BA: 8.5 J x 19 H2
Wheel offset: 2.44 in (62 mm)
R 20
Tires Alloy wheels
BA: 265/45 R 20 108 H XL M+S
3, 8 BA: 9.0 J x 20 H2
Wheel offset: 2.24 in (57 mm)
3
Available as MOExtended tires.
8 Snow chains not permitted. Observe the notes under "Snow chains".
4 Use of snow chains is not permitted. Observe the notes under "Snow chains". 436
Wheel and tire combinationsWheels and tires