
Carry out resetReset the system after each correction of the
tire inflation pressure and after every tire or
wheel change.1."Vehicle Info"2."Vehicle status"3.  "Perform reset"4.Start the engine - do not drive away.5.Carry out the reset with "Perform reset".6.Drive away.
The tires are shown in gray and the status is
displayed.
After driving faster than 19 mph/30 km/h for a
short period, the tire inflation pressures set are
accepted as reference values. The reset is
completed automatically during driving.
After a successfully completed Reset, the
wheels on the Control Display are shown in
green and "Tire Pressure Monitor (TPM)
active" is displayed.
The trip can be interrupted at any time. If you
drive away again, the reset resumes automati‐
cally.
Low tire pressure message The yellow warning lamp lights up. A
Check Control message is displayed.
▷There is a flat tire or a major loss in
tire inflation pressure.▷No reset was performed for the system.
The system therefore issues a warning
based on the tire pressures before the last
reset.1.Reduce your speed and stop cautiously.
Avoid sudden braking and steering maneu‐
vers.2.Identify the damaged wheel. Do so by
checking the tire inflation pressure using
the Mobility System. Correcting the tire in‐
flation pressure, refer to page  175.3.Repair flat tire with the Mobility System, re‐
fer to page  172, or replace the damaged
wheel.
Required inflation pressure check
message
A Check Control message is displayed.
Check the tire inflation pressure and carry out
a reset of the system.
In some cases, a wheel was changed without
having carried out a reset.
System limits
The system does not function properly if a re‐
set has not been carried out, e.g., a flat tire is
reported even though the tire inflation pres‐
sures are correct.
The tire pressure depends on the temperature
of the tire. If the tire temperature rises, e.g.,
due to driving or because of the heat of the
Sun, the tire inflation pressure increases also.
The tire pressure is reduced when the tire
temperature falls again. This behavior may
cause a warning to be issued if temperatures
fall very sharply.
Malfunction The yellow warning lamp flashes and
then lights up continuously. A Check
Control message is displayed. No flat
tire or loss of tire pressure can be detected.
Display in the following situations:
▷A wheel without TPM electronics is fitted:
have the service center check it if neces‐
sary.▷Malfunction: have the system checked by
your service center.▷TPM was unable to complete the reset.
Reset the system again.▷Disturbance by systems or devices with
the same radio frequency: after leaving the
area of the disturbance, the system auto‐
matically becomes active again.Seite 103SafetyControls103
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Do not initialize the system when driving with
snow chains.1."Vehicle Info"2."Vehicle status"3.  "Perform reset"4.Start the engine - do not drive away.5.Start the initialization with "Perform reset".6.Drive away.
The initialization is completed while driving,
which can be interrupted at any time.
The initialization automatically continues when
driving resumes.
Indication of a flat tire The yellow warning lamp lights up. A
Check Control message is displayed.
There is a flat tire or a major loss in tire
inflation pressure.
1.Reduce your speed and stop cautiously.
Avoid sudden braking and steering maneu‐
vers.2.Identify the damaged wheel. Do so by
checking the tire inflation pressure using
the Mobility System. If the tire inflation
pressure in all tires is correct, the Flat Tire
Monitor may not have been initialized. In
this case, initialize the system.3.Repair flat tire with the Mobility System, re‐
fer to page  172, or replace the damaged
wheel.
System limits
Sudden tire damage
Sudden serious tire damage caused by
external influences cannot be indicated in ad‐
vance.◀
A natural, even pressure loss in all four tires
cannot be detected. Therefore, check the tire
inflation pressure regularly.
The system could be delayed or malfunction in
the following situations:▷When the system has not been initialized.▷When driving on a snowy or slippery road
surface.▷Sporty driving style: slip in the drive
wheels, high lateral acceleration.▷When driving with snow chains.
Intelligent Safety
The concept
Depending on how the vehicle is equipped, In‐
telligent Safety consists of one or more of the
following systems, which can help to avoid an
imminent collision. These systems are active
automatically every time the engine is started
using the Start/Stop button:
▷Collision warning with City Braking func‐
tion, refer to page  106.▷Pedestrian warning, refer to page  108.
Note
Personal responsibility
The system does not serve as a substi‐
tute for the driver's personal judgment of the
traffic situation.
Be aware of the traffic situation and the vehi‐
cle's surroundings at all times, otherwise an
accident is still possible despite all warnings.◀
Seite 105SafetyControls105
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▷Thumbwheels for opening and closing the
vents continuously, arrows 3.
Adjusting the ventilation
▷Ventilation for cooling:
Adjust the vent to direct the air in your di‐
rection, e.g., if the vehicle interior is hot
from the sun.▷Draft-free ventilation:
Adjust the vent to let the air flow past you.
Parked-car ventilation
The concept The parked-car ventilation ventilates the vehi‐
cle interior and lowers its temperature, if nec‐
essary.
The switch-on time is automatically deter‐
mined based on the temperature. The system
promptly switches on before the selected de‐
parture time.
The system can be switched on and off di‐
rectly or by using two preset switch-on times.
It remains switched on for 30 minutes.
The system can be switched on and off di‐
rectly or by using two preset departure times.
Operation can be performed via iDrive.
Functional requirements
Parked-car ventilation
▷Using the preset departure time or when
operated directly: any external tempera‐
ture.
Open the vents to allow air to flow out.
Switching on/off directly
1."Settings"2."Climate"3."Activate comf. ventilation"  The symbol on the automatic climate con‐
trol flashes if the system is switched on.
The system continues to run for some time af‐
ter being switched off.
Preselecting the departure time1."Settings"2."Climate"3."Dep. time 1:" or "Dep. time 2:"4.Set the desired time.
Activating the departure time
1."Settings"2."Climate"3."Activate depart. time 1" or "Activate
depart. time 2"
  The symbol on the automatic climate con‐
trol lights up when the departure time is acti‐
vated.
  The symbol on the automatic climate con‐
trol flashes when the system has been
switched on.
The system will only be switched on within the
next 24 hours. After that, it needs to reacti‐
vated.
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Parking lamps 93 
Parking lamps and roadside parking lamps, refer to
Light-emitting diodes,
LEDs  185 
Passenger side mirror, tilting downward  58 
Pathway lines, rearview cam‐ era  129  
PDC Park Distance Con‐ trol  125  
Pedestrian detection, refer to Night Vision  110 
Pedestrian warning with city braking function  108 
People detection, refer to Night Vision  110 
Permissible axle load  205 
Personal Profile  31 
Pinch protection system, win‐ dows  43 
Plastic, care  199 
Power failure  188 
Power windows  41 
Pressure, tire air pres‐ sure  167 
Pressure warning FTM, tires  104 
Preventing Auto Start Stop  67 
Profile, refer to Personal Pro‐ file  31 
Programmable memory but‐ tons, iDrive  20 
Protective function, win‐ dows  43 
Push-and-turn switch, refer to Controller  16 
R Radiator fluid  181 
Radio-operated key, refer to Remote control  30 
Radio ready state  65 Radio, see user's manual for
Navigation, Entertainment
and Communication 
Rain sensor  76 
Rear lamps  186 
Rearview mirror  57 
Rear window defroster  138 
Recirculated-air mode  138 
Recommended tire brands  171 
Refueling  164 
Remaining range  84 
Remote control/key  30 
Remote control, malfunc‐ tion  35 
Remote control, univer‐ sal  141  
Replacement fuse  188 
Replacing bulbs, see Lamp replacement  184 
Replacing parts  184 
Replacing wheels/tires  171 
Reporting safety defects  9 
Reserve warning, refer to Range  84 
Reset, Tire Pressure Monitor TPM  103 
Residual heat, automatic cli‐ mate control  139 
Retaining straps, securing cargo  159 
Retreaded tires  172 
Reversing lamp, bulb replace‐ ment  187 
Roadside parking lamps  94 
Rollover protection sys‐ tem  101 
RON gasoline quality  166 
Rope for tow-starting/ towing  194 
Rubber components, care  199 
S
Safe braking  156 Safety  7 
Safety belt reminder for driv‐ er's seat and front passen‐
ger seat  54 
Safety belts  54 
Safety belts, care  199 
Safety Package, refer to Ac‐ tive Protection  116 
Safety systems, airbags  98 
Saving fuel  160 
Screen, refer to Control Dis‐ play  16 
Screwdriver  184 
Screw thread for tow fit‐ ting  195 
Sealant  172 
Seat belts, refer to Safety belts  54 
Seat heating, front  53 
Seating position for chil‐ dren  61 
Seat, mirror, and steering wheel memory  56 
Seats  51 
Seat ventilation, front  53 
Selection list in instrument cluster  88 
Selector lever  70 
Sensors, care  200 
Sequential mode  71 
Service and warranty  7 
Service requirements, Condi‐ tion Based Service
CBS  182 
Service requirements, dis‐ play  85 
Service, Roadside Assis‐ tance  191 
Services, ConnectedDrive 
Servotronic  122 
Settings, locking/unlock‐ ing  39 
Settings, M Drive  59 
Settings on Control Dis‐ play  91 Seite 214ReferenceEverything from A to Z214
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