Wheels and tiresVehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equip‐
ment is also described that is not available in a
vehicle, e. g., because of the selected optional
equipment or country variant. This also applies
for safety-related functions and systems.
Tire inflation pressure Safety information
The tire characteristics and tire inflation pres‐
sure influence the following:▷The service life of the tires.▷Road safety.▷Driving comfort.
Checking the pressure
Only check the tire inflation pressure when the
tires are cold. This means after driving no more
than 1.25 miles/2 km or when the vehicle has
been parked for at least 2 hours. When the
tires are warm, the tire inflation pressure is
higher.
Check the tire inflation pressure regularly
Regularly check the tire inflation pres‐
sure, and correct it as needed: at least twice a
month and before a long trip. If you fail to ob‐
serve this precaution, you may be driving on
tires with incorrect tire pressures, a condition
that may not only compromise your vehicle's
driving stability, but also lead to tire damage
and the risk of an accident.◀
After correcting the tire inflation pressure:
▷Reinitialize the Flat Tire Monitor.▷Reinitialize the Tire Pressure Monitor.Pressure specifications The tire inflation pressure table, refer to
page 200, contains all pressure specifications
for the specified tire sizes at the ambient tem‐
perature. Pressure specifications apply to ap‐
proved tire sizes and recommended tire
brands. This information can be obtained from
your service center.
To identify the correct tire inflation pressure,
please note the following:▷Tire sizes of your vehicle.▷Maximum permitted driving speed.
Tire inflation pressures up to
100 mph/160 km/h
For speeds of up to 100 mph/160 km/h and for
optimum driving comfort, note the pressure
values in the tire inflation pressure table, refer
to page 200, and adjust as necessary.
These pressure values can also be found on
the tire inflation pressure label on the driver's
door pillar.
Maximum permissible speed
Do not exceed 100 mph/160 km/h; other‐
wise, tire damage and accidents may result.◀
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Tire inflation pressure values up to
100 mph/160 km/h
ActiveHybrid 7Tire sizePressure specifica‐
tions 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 RSC2.2 / 322.4 / 35245/45 R 19 102 V M
+S XL A/S RSC
245/45 R 19 102 V M
+S XL RSC2.4 / 352.6 / 38Front:
245/45 R 19 98 Y RSC
Rear:
275/40 R 19 101 Y
RSC2.2 / 32
--
2.3 / 33Front:
245/40 R 20 99 Y XL
RSC
Rear:
275/35 R 20 102 Y XL
RSC2.4 / 35
--
2.6 / 38Front:
245/35 R 21 96 Y XL
RSC
Rear:
275/30 R 21 98 Y XL
RSC2.6 / 38
--
3.0 / 44Compact wheel:
T 135/80 R 18 104 MSpeed up to a max.
of 50 mph / 80 km/h
4.2 / 60Tire inflation pressures at max.
speeds above 100 mph/160 km/h
Speeds above 100 mph/160 km/h
In order to drive at maximum speeds in
excess of 100 mph/160 km/h, please observe,
and, if necessary, adjust tire pressures for
speeds exceeding 100 mph/160 km/h from the
relevant table on the following pages. Other‐
wise tire damage and accidents could occur.◀
Tire inflation pressure values over
100 mph/160 km/h
ActiveHybrid 7 Without high-speed tuning featureTire sizePressure specifica‐
tions 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 RSC2.2 / 322.6 / 38245/45 R 19 102 V M
+S XL A/S RSC
245/45 R 19 102 V M
+S XL RSC2.4 / 352.8 / 41Front:
245/45 R 19 98 Y RSC
Rear:
275/40 R 19 101 Y
RSC2.2 / 32
--
2.3 / 33Front:
245/40 R 20 99 Y XL
RSC
Rear:
275/35 R 20 102 Y XL
RSC2.4 / 35
--
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case of a flat tire. Your service center will be
glad to advise you.
Rotating wheels between axles The manufacturer of your vehicle advises
against switching wheels between the front
and rear axles.
This can impair the handling characteristics.
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 are composed of special rims and
tires that are self-supporting, to a limited de‐
gree.
The support of the sidewall allows the tire to
remain drivable to a restricted degree in the
event of a pressure loss.
Continued driving with a damaged tire, refer to
page 109.
Continued driving with a damaged tire, refer to
page 112.
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 your
vehicle, classified as road-safe and recom‐
mended.
Consult your service center for more informa‐
tion.
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 chain manufacturer's instructions.
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 necessary.
Maximum speed with snow chains Do not exceed a speed of 30 mph/50 km/h
when using snow chains.
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Hand-held transmitter, alter‐nating code 168
Hazard warning flashers 221
Head airbags 105
Headlamp control, auto‐ matic 101
Headlamp courtesy delay fea‐ ture 100
Headlamp flasher 79
Headlamp glass 215
Headlamps, care 228
Headlamp washer system 79
Headliner 17
Head restraints 52
Head restraints, front 59
Head restraints, rear 60
Head-Up Display 157
Head-up Display, care 230
Heavy cargo, stowing 186
Height with roof-mounted aerial, vehicle 234
High-beam Assistant 102
High beams 79
High beams/low beams, refer to High-beam Assistant 102
High-voltage battery, charge indicator 97
High voltage battery, dis‐ charge 181
Hills 183
Hill start assistant, refer to Drive-off assistant 130
Hints 6
Holder for beverages 175
Homepage 6
Hood 206
Horn 14
Hotel function, trunk lid 43
Hot exhaust system 182
HUD Head-Up Display 157
Hybrid system, adapting to the course of the road 99
Hybrid system, at a glance 30
Hybrid system, automatic de‐ activation 226 Hybrid system, contact with
water 226
Hybrid system, displays 96
Hybrid system, safety 225
Hydroplaning 183
I Ice warning, refer to External temperature warning 89
Icy roads, refer to External temperature warning 89
Identification marks, tires 201
Identification number, refer to Important features in the en‐
gine compartment 206
iDrive 18
Ignition key, refer to Remote control 34
Ignition off 70
Ignition on 70
Indication of a flat tire 109 , 111
Indicator and warning lamps 86
Individual air distribution 160
Individual settings, refer to Personal Profile 35
Inflation pressure, tires 199
Inflation pressure warning FTM, tires 108
Info display, refer to Com‐ puter 93
Initialize, Tire Pressure Moni‐ tor TPM 111
Initializing, Flat Tire Monitor FTM 108
Instrument cluster 85
Instrument cluster, electronic displays 86
Instrument lighting 103
Integrated key 34
Integrated universal remote control 167
Intelligent Emergency Re‐ quest 221 Intelligent Safety 113
Intensity, AUTO pro‐ gram 160
Interior equipment 167
Interior lamps 104
Interior lamps via remote con‐ trol 38
Interior motion sensor 47
Interior rearview mirror 63
Interior rearview mirror, auto‐ matic dimming feature 64
Internet page 6
Interval display, service re‐ quirements 90
J Jacking points for the vehicle jack 218
Joystick, automatic transmis‐ sion 82
Jump-starting 222
K
Key/remote control 34
Keyless Go, refer to Comfort Access 43
Key Memory, refer to Per‐ sonal Profile 35
Kickdown, automatic trans‐ mission 82
Knee airbag 105
L Lamp replacement, rear 217
Lamps 100
Lamps and bulbs 214
Lane departure warning 124
Lane margin, warning 124
Language on Control Dis‐ play 96
Lashing eyes, securing cargo 186 Seite 242ReferenceEverything from A to Z242
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Starting the combustion en‐gine 72
Status display, tires 110
Status information, iDrive 22
Status of Owner's Manual 7
Steering wheel, adjusting 64
Steering wheel heating 65
Steering wheel memory 61
Steptronic, automatic trans‐ mission 81
Storage compartments 173
Storage compartments, loca‐ tions 173
Storage, tires 205
Storing the vehicle 230
Summer tires, tread 203
Supplementary text mes‐ sage 87
Surround View 147
Suspension settings 132
Switch for Dynamic Driving Control 132
Switch-on times, parked-car ventilation 165
Switch, refer to Cockpit 14
Symbols 6
SYNC program, automatic cli‐ mate control 161
T Tachometer 88
Tail and brake lamps 217
Tailgate 40
Tailgate, automatic 41
Tailgate opening/closing with no-touch activation 44
Tailgate via remote con‐ trol 38
Tail lamps 217
Tail lamps, bulb replace‐ ment 217
Technical changes, refer to Safety 7
Technical data 234 Telephone, see user's manual
for Navigation, Entertain‐
ment and Communication
Temperature, automatic cli‐ mate control 160
Temperature display, external temperature 89
Temperature, engine oil 88
Tempomat, refer to Active Cruise Control 136
Terminal, starting aid 223
Text message, supplemen‐ tary 87
Theft alarm system, refer to Alarm system 46
Theft protection, lug bolts 219
Theft protection, refer to Central locking system 37
Thermal camera, refer to Night Vision 121
Tilt alarm sensor 47
Time of arrival 94
Tire damage 203
Tire identification marks 201
Tire inflation pressure 199
Tire inflation pressure moni‐ tor, refer to FTM 108
Tire Pressure Monitor TPM 110
Tires, changing 203
Tires, everything on wheels and tires 199
Tires, run-flat tires 205
Tire tread 203
Tone, see user's manual for Navigation, Entertainment
and Communication
Tools 214
Top View 151
Total vehicle weight 235
Touchpad 20
Tow fitting 225
Towing 224
Tow-starting 224 TPM Tire Pressure Moni‐
tor 110
Traction control 131
TRACTION program, Dy‐ namic Driving Control 133
Transmission, automatic 81
Transporting children safely 66
Tread, tires 203
Trip computer 95
Triple turn signal activa‐ tion 78
Trip odometer 89
Trunk lid 40
Trunk lid, automatic 41
Trunk lid, emergency unlock‐ ing 43
Trunk lid, hotel function 43
Trunk lid, manual opera‐ tion 40
Trunk lid opening/closing with no-touch activation 44
Trunk lid via remote con‐ trol 38
Turning circle 235
Turning circle lines, rearview camera 148
Turn signals, operation 78
Turn signals, rear, bulb re‐ placement 217
U
Unintentional alarm 47
Units of measure 96
Universal remote control 167
Unlock button, automatic transmission 82
Unlocking/locking from in‐ side 40
Unlocking/locking via door lock 39
Unlocking/locking with re‐ mote control 38
Unlocking, settings 45 Seite 246ReferenceEverything from A to Z246
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