They are marked on the side of the tire with
TWI, Tread Wear Indicator.
Tire damage General information
Inspect your tires regularly for damage, foreign
objects lodged in the tread, and tread wear.
Information Driving over rough or damaged road surfaces,
as well as debris, curbs and other obstacles can
cause serious damage to wheels, tires and sus‐
pension parts. This is more likely to occur with
low-profile tires, which provide less cushioning
between the wheel and the road. Be careful to
avoid road hazards and reduce your speed, es‐
pecially if your vehicle is equipped with low-
profile tires.
Indications of tire damage or other vehicle mal‐
functions:▷Unusual vibrations while driving.▷Unusual handling such as a strong ten‐
dency to pull to the left or right.
Damage can, e. g., be caused by driving over
curbs, road damage, or similar things.
WARNING
Damaged tires can lose tire inflation pres‐
sure, which can lead to loss of vehicle control.
There is risk of an accident. If tire damage is
suspected while driving, immediately reduce
speed and stop. Have wheels and tires
checked. For this purpose, drive carefully to the
nearest dealer’s service center or another
qualified service center or repair shop. Have
vehicle towed or transported as needed. ◀
WARNING
Damaged tires can lose tire inflation pres‐
sure, which can lead to loss of vehicle control.
There is risk of an accident. Do not repair dam‐
aged tires, but have them replaced. ◀
Changing wheels and
tires
Mounting Have mounting and wheel balancing carried
out by a dealer’s service center or another
qualified service center or repair shop.
Wheel and tire combination
You can ask the dealer’s service center or an‐
other qualified service center or repair shop
about the right wheel/tire combination and
wheel rim versions for the vehicle.
Incorrect wheel and tire combinations impair
the function of a variety of systems such as ABS
or DSC.
To maintain good handling and vehicle re‐
sponse, use only tires with a single tread con‐
figuration from a single manufacturer.
Following tire damage, have the original wheel
and tire combination remounted on the vehicle
as soon as possible.
WARNING
Wheels and tires which are not suitable
for your vehicle can damage parts of the vehi‐
cle, e.g. due to contact with the body due to
tolerances despite the same official size rating.
There is risk of an accident. The manufacturer
of your vehicle strongly suggests that you use
wheels and tires that have been recommended
by the vehicle manufacturer for your vehicle
type. ◀Seite 188MOBILITYWheels and tires188
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Recommended fuelgrade 178
Recommended tire brands 189
Refueling 176
Remaining range 82
Remote control/key 34
Remote control, blocking 35
Remote control, malfunc‐ tion 39
Remote control, replacing the battery 34
Remote control, univer‐ sal 145
Replacement fuse 215
Replacing parts 204
Replacing the battery, remote control 34
Replacing wheels/tires 188
Reporting safety malfunc‐ tions 10
RES CNCL button, see camera- based cruise control 120
RES CNCL button, see Cruise control 126
Reserve warning, see Range 82
Reset, Tire Pressure Monitor TPM 104
Retaining straps, securing cargo 164
Retreaded tires 189
Roadside parking lights 96
RON recommended fuel grade 178
Roofliner 17
Roof load capacity 229
Roof-mounted luggage rack 164
RSC Run Flat System Compo‐ nent, see Run-flat tires 190
Rubber components, care 223
Run-flat tires 190 S
Safe braking 161
Safety belt reminder for driv‐ er's seat and front passenger
seat 52
Safety belts 51
Safety belts, care 224
Safety switch, windows 46
Safety systems, airbags 100
Saving fuel 166
Screen, refer to Control Dis‐ play 18
Screwdriver 204
Sealant 190
Seat belts, see Safety belts 51
Seat heating, front 51
Seating position for chil‐ dren 58
Seats 49
Selection list in instrument cluster 85
Selector lever, Steptronic transmission 72
Sensors, care 224
Service and warranty 8
Service requirements, Condi‐ tion Based Service CBS 202
Service requirements, dis‐ play 82
SET button, see camera-based cruise control 120
SET button, see Cruise con‐ trol 126
Settings, locking/unlocking 43
Settings, mirrors 55
Settings on Control Display 88
Shift paddles on the steering wheel 73
Shift point indicator, Head-Up Display 92
Side airbag 100
Signaling, horn 14
Signals when unlocking 43
Sitting safely 49
Size 228 Slide/tilt glass roof 47
Snow chains 193
Socket 149
Socket, OBD Onboard Diag‐ nostics 203
Spare fuse 215
Spare tire, see Emergency wheel 212
Speed, average 86
Speed limit detection, on‐ board computer 86
Speed limiter, display 83
Speed Limit Information 83
Speed warning 88
Split screen 23
Sport displays 87
Sport displays, Head-up Dis‐ play 92
Sport instruments, cockpit 93
SPORT program, Dynamic Driving Control 118
Sport program, transmis‐ sion 73
Stability control systems 116
Standard view, Head-up Dis‐ play 91
Start/stop, automatic func‐ tion 64
Start/Stop button 62
Start function during malfunc‐ tion 35
Starting the engine 63
Status control display, tires 104
Status information, onboard monitor 23
Status of Owner's Manual 7
Steering wheel, adjusting 57
Steptronic Sport transmission, see Steptronic transmis‐
sion 72
Steptronic transmission 72
Stopping the engine 63
Storage compartments 153
Storage, tires 189
Storing the vehicle 224 Seite 244REFERENCEEverything from A to Z244
Online Edition for Part no. 01 40 2 964 625 - X/15
