If the tire inflation pressure in all four tires
is correct, it is possible that a reset was not
carried out for the Tire Pressure Monitor.
Then perform the reset.
If an identification is not possible, please
contact the service center.2.Rectify the flat tire.
Use of tire sealant, e.g., the Mobility Sys‐
tem, may damage the TPM wheel elec‐
tronics. In this case, have the electronics
checked at the next opportunity and have
them replaced if necessary.
Run-flat tires
Maximum speed
You can continue driving with a damaged tire
at speeds up to 50 mph/80 km/h.
Continued driving with a flat tire
If continuing to drive with a damaged tire:
1.Avoid sudden braking and steering maneu‐
vers.2.Do not exceed a speed of 50 mph/80 km/h.3.Check the air pressure in all four tires at
the next opportunity.
If the tire inflation pressure in all four tires
is correct, it is possible that a reset was not
carried out for the Tire Pressure Monitor. In
that case, carry out a reset.
Possible driving distance with complete loss of
tire inflation pressure:
The possible driving distance after a loss of tire
inflation pressure depends on the cargo load
and the driving style and conditions.
For a vehicle containing an average load, the
possible driving distance is approx.
50 miles/80 km.
When the vehicle is driven with a damaged tire,
its handling characteristics change, e.g., re‐
duced lane stability during braking, a longer
braking distance, and altered self-steering
properties. Adjust your driving style accord‐
ingly. Avoid abrupt steering maneuvers or driv‐
ing over obstacles, e.g., curbs, potholes, etc.
Because the possible driving distance de‐
pends on how the vehicle is used during the
trip, the actual distance may be smaller or
greater depending on the driving speed, road
conditions, external temperature, cargo load,
etc.
Continued driving with a flat tire
Drive moderately and do not exceed a
speed of 50 mph/80 km/h.
A loss of tire inflation pressure results in a
change in the handling characteristics, e.g., re‐
duced lane stability during braking, a longer
braking distance and altered self-steering
properties.◀
Final tire failure
Vibrations or loud noises while driving
can indicate the final failure of the tire. Reduce
speed and stop; otherwise, pieces of the tire
could come loose and cause an accident. Do
not continue driving, and contact your service
center.◀
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 tireSeite 109SafetyControls109
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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.▷A wheel without TPM electronics, such as
a compact wheel, is mounted: have the
service center check it if necessary.▷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.
Declaration according to NHTSA/
FMVSS 138 Tire Pressure Monitoring
System
Each tire, including the spare (if provided)
should be checked monthly when cold and in‐
flated to the inflation pressure recommended
by the vehicle manufacturer on the vehicle
placard or tire inflation pressure label. (If your
vehicle has tires of a different size than the size
indicated on the vehicle placard or tire inflation
pressure label, you should determine the
proper tire inflation pressure for those tires.)
As an added safety feature, your vehicle has
been equipped with a tire pressure monitoring
system (TPMS) that illuminates a low tire pres‐
sure telltale when one or more of your tires is
significantly under-inflated. Accordingly, when
the low tire pressure telltale illuminates, you
should stop and check your tires as soon as
possible, and inflate them to the proper pres‐
sure. Driving on a significantly under-inflated
tire causes the tire to overheat and can lead to
tire failure. Under-inflation also reduces fuel ef‐
ficiency and tire tread life, and may affect the
vehicle's handling and stopping ability. Please
note that the TPMS is not a substitute for
proper tire maintenance, and it is the driver's
responsibility to maintain correct tire pressure,
even if under-inflation has not reached the
level to trigger illumination of the TPMS low
tire pressure telltale. Your vehicle has also
been equipped with a TPMS malfunction indi‐
cator to indicate when the system is not oper‐
ating properly. The TPMS malfunction indica‐
tor is combined with the low tire pressure
telltale. When the system detects a malfunc‐
tion, the telltale will flash for approximately one
minute and then remain continuously illumi‐
nated. This sequence will continue upon sub‐
sequent vehicle start-ups as long as the mal‐
function exists. When the malfunction indicator
is illuminated, the system may not be able to
detect or signal low tire pressure as intended.
TPMS malfunctions may occur for a variety of
reasons, including the installation of replace‐
ment or alternate tires or wheels on the vehicle
that prevent the TPMS from functioning prop‐
erly. Always check the TPMS malfunction tell‐
tale after replacing one or more tires or wheels
on your vehicle to ensure that the replacement
or alternate tires and wheels allow the TPMS
to continue to function properly.
FTM Flat Tire Monitor The conceptThe system detects a pressure loss on the ba‐sis of speed differences between the individual
wheels while driving.
In the event of a pressure loss, the diameter
and therefore the rotational speed of the corre‐
sponding wheel change. This is detected and
reported as a flat tire.Seite 110ControlsSafety110
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The system does not measure the actual infla‐
tion pressure in the tires.
Functional requirements
The system must have been initialized when
the tire inflation pressure was correct; other‐
wise, reliable signaling of a flat tire is not en‐
sured. Initialize the system after each correc‐
tion of the tire inflation pressure and after
every tire or wheel change.
Status display
The current status of the Flat Tire Monitor can
be displayed on the Control Display, e.g.,
whether or not the FTM is active.1."Vehicle Info"2."Vehicle status"3. "Flat Tire Monitor (FTM)"
The status is displayed.
Initialization
The initialization process adopts the set infla‐
tion tire pressures as reference values for the
detection of a flat tire. Initialization is started by
confirming the inflation pressures.
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.Check whether the vehicle is fitted with
regular tires or run-flat tires.
Run-flat tires, refer to page 220, are la‐
beled with a circular symbol containing the
letters RSC marked on the tire sidewall.
Do not continue driving without run-flat
tires
Do not continue driving if the vehicle is not
equipped with run-flat tires; continued driving
may result in serious accidents.◀
When a flat tire is indicated, DSC Dynamic Sta‐
bility Control is switched on if necessary.
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.Seite 111SafetyControls111
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▷Seat heating.
Maximum coolingPress the button.
The system is set to the lowest tem‐
perature, maximum air flow and air circulation
mode.
Air flows out of the vents for the upper body
region. Open them for this purpose.
Air is cooled as quickly as possible:
▷At an external temperature of approx.
32 ℉/0 ℃.▷When the engine is running.
Parked-car ventilation/
heating
The concept The parked-car ventilation ventilates the vehi‐
cle interior and lowers its temperature, if nec‐
essary.
The parked-car heating warms the vehicle in‐
terior, making snow and ice easier to remove.
With the ignition switched off, the air is auto‐
matically routed to the windshield, to the side
windows, and into the footwell.
The systems can be switched on and off di‐
rectly or by using two preset departure times.
The switch-on time is automatically deter‐
mined based on the temperature. The systems
promptly switch on before the selected depar‐
ture time.
Operation takes place on the iDrive or the re‐ mote control.
Hints Parked-car heating in enclosed areas
Do not operate the parked-car heating in
enclosed areas, as breathing of the harmful ex‐
haust fumes may lead to loss of consciousness
and death. The exhaust gases contain carbon
monoxide, an odorless and colorless but highly
toxic gas. Switch off the parked-car heating
when refueling.◀
Operation of the parked-car heating
When parked-car heating is in operation,
high temperatures can occur under the car
body. Before the parked-car heating is
switched on, make sure that no flammable ma‐
terials, such as hay, leaves, grass, etc. are un‐
der the vehicle. Such contact could lead to a
fire, and with it the risk of serious personal in‐
jury as well as property damage.◀
At external temperatures below 32 ℉/0 ℃, wa‐
ter vapor occurs that emerges from below the
vehicle.
Functional requirements
Parked-car ventilation▷With remote control or when the departure
time is preselected: depends on internal,
external and set temperature.▷Direct operation via iDrive: any external
temperature.▷In direct mode via remote control: external
temperature above approx. 59 ℉/15 ℃.
Open the vents to allow air to flow out.
Parked-car heating
▷With remote control or when the departure
time is preselected: depends on internal,
external and set temperature.▷Direct operation via iDrive: any external
temperature.▷In direct mode via remote control: external
temperature below approx. 59 ℉/15 ℃.▷The battery is sufficiently charged.▷The fuel tank is filled to above the reserve
range.
If the parked-car heating has not been used for
several months, it may be necessary to switch
the system on again after several minutes.
Seite 171Climate controlControls171
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Via the iDrive1."Settings"2."ECO PRO mode"
Or
1."Settings"2."Driving mode"3."Configure ECO PRO"
Configure the program.
ECO PRO Tip
▷"Tip at:":
Set ECO Pro speed at which an ECO PRO
Tip is to be displayed.▷"ECO PRO speed warning":
A reminder is displayed if the set ECO PRO
speed is exceeded.
ECO PRO climate control
"ECO PRO climate control"
The climate control is adjusted to be fuel-effi‐
cient.
By making a slight change to the set tempera‐
ture, or slowly adjusting the rate of heating or
cooling of the passenger compartment, fuel
consumption can be economized.
The outputs of the seat heater and the exterior
mirror heating are also reduced.
The exterior mirror heating is made available
when outside temperatures are very cold.
ECO PRO potentialThe percentage of potential savings that can
be achieved with the current configuration is
displayed.
Display in the instrument cluster
ECO PRO bonus range An extension of the range can
be achieved by an adjusted driv‐
ing style.
This may be displayed as the
bonus range in the instrument
cluster.
The bonus range is shown in the range display.
The bonus range is automatically reset every
time the vehicle is refueled.
ECO PRO Tip - driving instruction The arrow indicates that the
driving style can be adjusted to
be more fuel efficient by backing
off the accelerator for instance.
Note The driving style display and ECO PRO tips in
the instrument cluster appear when the ECO
PRO display is activated.
Activating driving style and ECO PRO tips:1."Settings"2."Info display"3."ECO PRO Info"
ECO PRO tip - Symbols An additional symbol and a text instruction are
displayed.
Seite 199Saving fuelDriving tips199
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Onboard monitor, refer toControl Display 18
Onboard vehicle tool kit 231
Opening and closing 34
Opening and closing, from in‐ side 40
Opening and closing via door lock 39
Opening and closing, with re‐ mote control 38
Operating concept, iDrive 18
Optional equipment, standard equipment 6
Outside air, refer to Auto‐ matic recirculated-air con‐
trol 167
Overheating of engine, refer to Coolant temperature 89
P Paint, vehicle 245
Panorama Side View 158
Panoramic glass sunroof 48
Parallel parking assistant 159
Park Distance Control PDC 150
Parked-car heating 171
Parked-car ventilation 171
Parked vehicle, condensa‐ tion 192
Parking aid, refer to PDC 150
Parking assistant 159
Parking brake 71
Parking lamps 99
Parking with Auto Hold 72
Particulate filter 191
Passenger side mirror, tilting downward 60
Pathway lines, rearview cam‐ era 154
PDC Park Distance Con‐ trol 150
Pedestrian detection, refer to Night Vision 121 Pedestrian warning with city
braking function 119
People detection, refer to Night Vision 121
Personal Profile 35
Pinch protection system, glass sunroof 49
Pinch protection system, win‐ dows 47
Plastic, care 246
Power failure 238
Power windows 46
Pressure, tire air pres‐ sure 211
Pressure warning FTM, tires 110
Preventing Auto Start Stop 70
Profile, refer to Personal Pro‐ file 35
Programmable memory but‐ tons, iDrive 24
Protective function, glass sunroof 49
Protective function, win‐ dows 47
Push-and-turn switch, refer to Controller 18, 19
Q Queuing Assistant, see Con‐ gestion Assistant 145
R Radiator fluid 227
Radio-operated key, refer to Remote control 34
Radio ready state 67
Radio, see user's manual for Navigation, Entertainment
and Communication
Rain sensor 75
Rear automatic climate con‐ trol 169 Rear center armrest 184
Rear drink holder 185
Rear lamps 235
Rear socket 179
Rear ventilation, third row of seats, ventilation, third row
of seats 169
Rearview mirror 60
Rear window defroster 167
Recirculated-air mode 167
Recommended tire brands 219
Refueling 204
Remaining range 89
Remote control/key 34
Remote control, malfunc‐ tion 39
Remote control, parked-car heating/ventilation 172
Remote control, univer‐ sal 175
Replacement fuse 238
Replacing parts 231
Replacing wheels/tires 218
Reporting safety defects 9
RES button 141
Reserve warning, refer to Range 89
Reset, Tire Pressure Monitor TPM 108
Residual heat, automatic cli‐ mate control 167
Retaining straps, securing cargo 195
Retreaded tires 219
Roadside parking lamps 100
Roller sunblinds 48
RON gasoline quality 206
Roof load capacity 250
Roof-mounted luggage rack 196
Rope for tow-starting/ towing 243
RSC Run Flat System Com‐ ponent, refer to Run-flat
tires 220 Seite 260ReferenceEverything from A to Z260
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