
Tire sizePressure specifications
in bar/PSIFront: 245/35 R 21
96 Y XL RSC
Rear: 275/30 R 21
98 Y XL RSC2.8 / 41
--
3.0 / 44Emergency wheel:
T 135/80 R 18 104
MSpeed up to a max. of
50 mph / 80 km/h
4.2 / 60
With high-speed tuning feature
Tire sizePressure specifications
in bar/PSISpecifications in
bar/PSI with cold
tires245/50 R 18 100 V
M+S A/S RSC
245/50 R 18 100 H
M+S RSC2.6 / 382.9 /42245/45 R 19 102 V
M+S XL A/S RSC
245/45 R 19 102 V
M+S XL RSC2.8 / 413.2 / 46Front: 245/45 R 19
98 Y RSC
Rear: 275/40 R 19
101 Y RSC2.4 / 35
--
2.5 / 36Front: 245/40 R 20
99 Y XL RSC
Rear: 275/35 R 20
102 Y XL RSC2.7 / 39
--
2.7 / 39Tire sizePressure specifications
in bar/PSIFront: 245/35 R 21
96 Y XL RSC
Rear: 275/30 R 21
98 Y XL RSC3.0 / 44
--
3.2 / 46Emergency wheel:
T 135/80 R 18 104
MSpeed up to a max. of
50 mph / 80 km/h
4.2 / 60
Tire identification marks
Tire size 245/45 R 18 96 Y
245: nominal width in mm
45: aspect ratio in %
R: radial tire code
18: rim diameter in inches
96: load rating, not for ZR tires
Y: speed rating, before the R on ZR tires
Speed letter
Q = up to 100 mph, 160 km/h
R = up to 106 mph, 170 km/h
S = up to 112 mph, 180 km/h
T = up to 118 mph, 190 km/h
H = up to 131 mph, 210 km/h
V = up to 150 mph, 240 km/h
W = up to 167 mph, 270 km/h
Y = up to 186 mph, 300 km/h
Tire Identification Number
DOT code: DOT xxxx xxx 4314
xxxx: manufacturer code for the tire brand
xxx: tire size and tire design
4314: tire age
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Rotating wheels between axlesDifferent wear patterns can occur on the frontand rear axles depending on individual driving
conditions. The tires can be rotated between
the axles to achieve even wear. Your service
center will be glad to advise you. After rotating,
check the tire pressure and correct if needed.
Rotating the tires is not permissible on vehi‐
cles with different tire sizes on the front and
rear axles, i.e. when using different types of
tires.
Storage
Store wheels and tires in a cool, dry place with
as little exposure to light as possible.
Always protect tires against all contact with oil,
grease and fuels.
Do not exceed the maximum tire inflation pres‐
sure indicated on the side wall of the tire.
Run-flat tires
Label
RSC label on the tire sidewall.
The wheels consist of tires that are self-sup‐
porting, to a limited degree, and possibly spe‐
cial rims.
The support of the sidewall allows the tire to
remain drivable to a restricted degree in the
event of a tire inflation pressure loss.
Follow the instructions for continued driving
with a flat tire.
Changing run-flat tires
For your own safety, only use run-flat tires. No
spare tire is available in the case of a flat tire.
Your service center will be glad to advise you.
Snow chains
Fine-link snow chains
Only certain types of fine-link snow chains
have been tested by the manufacturer of the
vehicle, classified as road-safe and approved.
Information about the approved snow chains
are available from the service center.
Use
Use only in pairs on the rear wheels, equipped
with the tires of the following size:▷245/50 R 18.▷245/45 R 19.
Follow the snow chain manufacturer's instruc‐
tions.
Make sure that the snow chains are always
sufficiently tight. Retighten as needed accord‐
ing to the chain manufacturer's instructions.
Do not initialize the Flat Tire Monitor after
mounting snow chains, as doing so may result
in incorrect readings.
Do not initialize the Tire Pressure Monitor after
mounting snow chains, as doing so may result
in incorrect readings.
When driving with snow chains, briefly activate
Dynamic Traction Control if needed.
Maximum speed with snow chains Do not exceed a speed of 30 mph/50 km/hwhen using snow chains.
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CoolantVehicle features and optionsThis chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems.
Hints Danger of burns from hot engine
Do not open the cooling system while
the engine is hot; otherwise, esliding coolant
may cause burns.◀
Suitable additives
Only use suitable additives; otherwise,
engine damage may occur. The additives are
harmful to your health.◀
Coolant consists of water and additives.
Not all commercially available additives are
suitable for the vehicle. Information about the
suitable additives are available from the service
center.
Coolant level
General information If there is no Min. and Max. mark in the filler
neck of the coolant reservoir, have the coolant
level checked if needed by your service center
and add coolant as needed.
Depending on the engine installation, the cool‐
ant reservoir is located on the right side or the
left side of the engine compartment.Checking1.Let the engine cool.2.Turn the lid of the coolant reservoir slightly
counterclockwise to allow any excess
pressure to dissipate, then open it.3.Open the coolant reservoir lid.4.The coolant level is correct if it lies be‐
tween the minimum and maximum marks
in the filler neck.Seite 223CoolantMobility223
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Adding1.Let the engine cool.2.Turn the lid of the coolant reservoir slightly
counterclockwise to allow any excess
pressure to dissipate, then open it.3.If the coolant is low, slowly add coolant up
to the specified level; do not overfill.4.Turn the lid until there is an audible click.
The arrows on the coolant reservoir and
the lid must point towards one another.5.Have the cause of the coolant loss elimi‐
nated as soon as possible.
Disposal
Comply with the relevant environmen‐
tal protection regulations when dispos‐
ing of coolant and coolant additives.
Seite 224MobilityCoolant224
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2.Fold away the cover.3.Replace the defective bulb.
Inside brake lamp
21-watt bulb, H21W.
Pull out the bulb and replace it.
Reversing lamp
16-watt bulb, W16W.
Pull out the bulb and replace it.
Changing wheels
Hints
When using run-flat tires or sealants, a tire
does not need to be changed immediately in
the event of pressure loss due to a flat tire.
Which is why no spare tire is available.
The tools for changing wheels are available as
accessories from your service center.
Jacking points for the vehicle jack
The jacking points for the vehicle jack are lo‐
cated at the positions shown.
Lug bolt lock
The adapter of the lug bolt lock is in the on‐
board vehicle tool kit or in a storage compart‐
ment close to the onboard vehicle tool kit.
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CareVehicle features and optionsThis chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems.
Car washes
General information
Regularly remove foreign objects such as
leaves in the area below the windshield when
the hood is raised.
Wash your vehicle frequently, particularly in
winter. Intense soiling and road salt can dam‐
age the vehicle.
Hints Steam jets or high-pressure washers
When using steam jets or high-pressure
washers, hold them a sufficient distance away
and use a maximum temperature of
140 ℉/60 ℃.
If the vehicle has a glass sunroof, ensure that a
distance of at least 31.5 inches/80 cm is main‐
tained. Holding them too close or using exces‐
sively high pressures or temperatures can
cause damage or preliminary damage that may
then lead to long-term damage.
Follow the user's manual for the high-pressure
washer.◀
Cleaning sensors/cameras with high-
pressure washers
When using high-pressure washers, do not
spray the exterior sensors and cameras, e.g.,
Park Distance Control, for extended periods oftime and only from a distance of at least
12 in/30 cm.◀
Automatic car washes
Hints Note the following:▷Give preference to cloth car washes or
those that use soft brushes in order to
avoid paint damage.▷Make sure that the wheels and tires are not
damaged by the transport mechanisms.▷Fold in the exterior mirrors; otherwise, they
may be damaged, depending on the width
of the vehicle.▷Deactivate the rain sensor, refer to
page 82, to avoid unintentional wiper acti‐
vation.▷In some cases, an unintentional alarm can
be triggered by the interior motion sensor
of the alarm system. Follow the instruc‐
tions on avoiding an unintentional alarm,
refer to page 48.
Guide rails in car washes
Avoid car washes with guide rails higher
than 4 in/10 cm; otherwise, the vehicle body
could be damaged.◀
Before driving into a car wash In order to ensure that the vehicle can roll in a
car wash, take the following steps:
1.Drive into the car wash.2.Engage selector lever position N.3.Deactivating Automatic Hold, refer to
page 78.4.Release the parking brake.5.Switch the engine off.Seite 239CareMobility239
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Carpets and floor matsNo objects in the area around the pedals
Keep floor mats, carpets, and any other
objects out of the pedal area; otherwise, the
function of the pedals could be impeded while driving and create the risk of an accident.
Do not place additional floor mats over existing
mats or other objects.
Only use floor mats that have been approved
for the vehicle and can be properly attached to
floor.
Ensure that the floor mats are securely fas‐
tened again after they were removed for clean‐
ing, e.g.◀
Floor mats can be removed from the car's inte‐
rior for cleaning.
If the floor carpets are very dirty, clean with a microfiber cloth and water or a textile cleaner.
To prevent matting of the carpet, rub back and
forth in the direction of travel only.
Sensors/cameras
To clean sensors and cameras, use a cloth
moistened with a small amount of glass
cleaner.
Displays/monitors Cleaning displays and screens
Do not use any chemical or household
cleaning agents; otherwise, surfaces can be af‐
fected.◀
Keeping out moisture
Keep all fluids and moisture away from
the unit; otherwise, electrical components can
be damaged.◀
Avoid pressure
Avoid pressing too hard when cleaning
and do not use abrasive materials; otherwise,
damage can result.◀
Clean with a clean, antistatic microfiber cloth.Long-term When the vehicle is shut down for longer than
three months, special measures must be
taken. Additional information is available from
the service center.Seite 242MobilityCare242
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Everything from A to Z
IndexA ABS, Antilock Brake Sys‐ tem 136
ACC, Active Cruise Control with Stop & Go 144
Activated-charcoal filter 168
Active Blind Spot Detec‐ tion 132
Active Cruise Control with Stop & Go, ACC 144
Active Protection 134
Active seat, front 56
Active seat ventilation, front 57
Active seat ventilation, rear 60
Active Steering, integral 140
Adaptive brake assistant 136
Adaptive brake lights, refer to Brake force display 133
Adaptive drive 139
Adaptive Light Control 106
Adaptive Light Control, bulb replacement 229
Additives, oil 222
Adjusting, steering wheel 67
Adjustments, seats/head re‐ straints 54
After washing vehicle 240
Airbags 110
Airbags, indicator/warning light 111
Air circulation, refer to Recir‐ culated-air mode 167
Air, dehumidifying, refer to Cooling function 167
Air distribution, manual 166
Air flow, automatic climate control 166 Air outlets, see ventila‐
tion 168
Air pressure, tires 207
Alarm system 47
Alarm, unintentional 48
All around the center con‐ sole 16
All around the roofliner 17
All around the steering wheel 14
All-season tires, refer to Win‐ ter tires 215
All-wheel-drive 138
Alternating-code hand-held transmitter 173
Alternative oil types 222
Ambient light 108
Animal detection, see Night Vision 127
Antifreeze, washer fluid 83
Antilock Brake System, ABS 136
Anti-slip control, refer to DSC 136
Approved axle load 247
Approved engine oils 222
Armrest, refer to Center arm‐ rest 181
Arrival time 100
Ashtray 174
Assistance, Roadside Assis‐ tance 235
Assistance when driving off 136
Attentiveness assistant 134
AUTO H button 77
AUTO H button, refer to Au‐ tomatic Hold 77
AUTO intensity 166
Automatic car wash 239 Automatic climate con‐
trol 165
Automatic Cruise Control with Stop & Go 144
Automatic Curb Monitor 66
Automatic deactivation, front- seat passenger airbags 112
Automatic headlight con‐ trol 106
Automatic Hold 77
Automatic locking 47
Automatic recirculated-air control 167
Automatic Soft Closing, doors 40
Automatic Soft Closing, trunk lid 41
Automatic transmission, see Steptronic transmission 84
Automatic trunk lid 41
AUTO program, automatic cli‐ mate control 166
AUTO program, intensity 166
Auto Start/Stop function 75
Average fuel consump‐ tion 100
Average speed 100
Axle loads, weights 247
B Backrest curvature, refer to Lumbar support 55
Backrest, seats 54
Backrest, width 56
Band-aids, refer to First aid kit 235
Bar for tow-starting/ towing 237
Basic position, rear seats 59 Seite 250ReferenceEverything from A to Z250
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