Wheels and tiresVehicle features and options
This 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. The respectively applicable country
provisions must be observed when using the
respective features 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 tire inflation pressure
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.◀
Tires have a natural, consistent loss of tire in‐
flation pressure.
Tires heat up while driving, and the tire infla‐
tion pressure increases along with the tire's
temperature. The tire inflation pressure speci‐
fications relate to cold tires or tires with the
ambient temperature.
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.
The displays of inflation devices may under-
read by up to 1.45 psi/0.1 bar.
For Flat Tire Monitor: after correcting the tire
inflation pressure, reinitialize the Flat Tire
Monitor.
For Tire Pressure Monitor: after correcting the
tire inflation pressure, reset the Tire Pressure
Monitor.
Tire inflation pressure specifications
The tire inflation pressure table, refer to
page 207, contains all tire inflation pressure
specifications for the specified tire sizes at the
ambient temperature. Tire inflation pressure
specifications apply to approved 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 207, and adjust as necessary.
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Protective function, win‐dows 53
Push-and-turn switch, refer to Controller 18
R Radiator fluid 221
Radio-operated key, refer to Remote control 38
Radio ready state 76
Radio, see user's manual for Navigation, Entertainment
and Communication
Rain sensor 86
Rear automatic climate con‐ trol 171
Rear lights 228
Rear seats 60
Rear seats, basic position 62
Rear sockets 179
Rear vanity mirror 70
Rearview camera 157
Rearview mirror 68
Rear window defroster 169
Recirculated-air mode 169
Recommended fuel grade 204
Recommended tire brands 211
Refueling 202
Remaining range 99
Remote control/key 38
Remote control, auxiliary air conditioning, key 174
Remote control, malfunc‐ tion 42
Remote control, univer‐ sal 175
Replacement fuse 231
Replacing parts 225
Replacing wheels/tires 211
Reporting safety defects 10
RES button 149
RES button, see Active Cruise Control, ACC 146 RES button, see Cruise con‐
trol 153
Reserve warning, refer to Range 99
Reset, Tire Pressure Monitor TPM 119
Residual cooling 173
Residual heat, automatic cli‐ mate control 170
Retaining straps, securing cargo 194
Retreaded tires 211
Reversing lamp, bulb replace‐ ment 228
Roadside parking lights 109
Roller sunblinds 54
RON recommended fuel grade 204
Roofliner 17
Roof load capacity 245
Roof-mounted luggage rack 194
Rope for tow-starting/ towing 235
RSC Run Flat System Com‐ ponent, refer to Run-flat
tires 212
Rubber components, care 239
Run-flat tires 212
S Safe braking 191
Safety 7
Safety belt reminder for driv‐ er's seat and front passen‐
ger seat 64
Safety belts 63
Safety belts, care 239
Safety of the high-voltage system 34
Safety Package, refer to Ac‐ tive Protection 137
Safety switch, windows 53
Safety systems, airbags 113 Saving fuel 196
Screen, refer to Control Dis‐ play 18
Screwdriver, see Onboard ve‐ hicle tool kit 225
Screw thread, refer to Screw thread for tow fitting, screw
thread for tow fitting 236
Sealant 212
Seat belts, refer to Safety belts 63
Seat heating, front 60
Seat heating, rear 62
Seating position for chil‐ dren 72
Seat, mirror, and steering wheel memory 67
Seats 57
Seats, front 57
Seats, rear 60
Seat ventilation, front 60
Seat ventilation, rear 63
Selection list in instrument cluster 102
Selector lever, Steptronic transmission 88
Self-leveling suspension, air suspension 142
Self-leveling suspension, malfunction 142
Sensors, care 240
Service and warranty 8
Service requirements, Condi‐ tion Based Service
CBS 223
Service requirements, dis‐ play 99
Services, ConnectedDrive
SET button, see Active Cruise Control, ACC 146
SET button, see Cruise con‐ trol 153
Settings, locking/unlock‐ ing 50
Settings on Control Dis‐ play 105 Seite 253Everything from A to ZReference253
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