Status displayThe current status of the Tire Pressure Monitor
TPM can be displayed, e.g., whether or not the
TPM is active.1. Press button.2. "Vehicle Info"3."Vehicle status"4."Tire Pressure Monitor (TPM)"
The status is displayed.
In addition, the current tire inflation pressures
are displayed. It shows the actual values read;
they may vary depending on driving style or
weather conditions.
Carry out reset
Reset the system after each adjustment of the
tire inflation pressure and after every tire or
wheel change.
1.Start the engine - do not drive off.2. Press button.3. "Vehicle Info"4."Vehicle status"5."Tire Pressure Monitor (TPM)"6.To reset the tire pressure: "Perform reset"7.Drive away.
"Resetting…" is displayed.
After driving faster than 19 mph/30 km/h for a
short period, the set tire inflation pressures are
accepted as reference values. The resetting
process is completed automatically while driv‐
ing.
You may interrupt this trip at any time. When
you continue the reset resumes automatically.
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 in‐
flation pressure.▷A reset of the system was not carried out
after a wheel was changed. 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.Check whether the vehicle is fitted with
regular tires or run-flat tires.
Run-flat tires, refer to page 187, are la‐
beled with a circular symbol containing the
letters RSC marked on the tire's sidewall.
WARNING
A damaged regular tire with low or miss‐
ing tire inflation pressure impacts handling,
such as steering and braking response. Run-flat
tires can maintain limited stability. There is risk
of an accident. Do not continue driving if the
vehicle is not equipped with run-flat tires. Ob‐
serve the information on run-flat tires and con‐
tinued driving with these tires. ◀
A low tire inflation pressure might turn on DSC
Dynamic Stability Control.
Actions in the event of a flat tireNormal tires
1.Identify the damaged tire.
Do this by checking the air pressure in all
four tires.
The tire pressure gauge of the Mobility Sys‐
tem, refer to page 188, can be used for this
purpose.
If the tire inflation pressure in all four tires is
correct, the Tire Pressure Monitor may not
have been initialized. In this case, initialize
the system.
If identification of flat tire damage is not
possible, please contact a dealer’s serviceSeite 85SafetyCONTROLS85
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center or another qualified service center or
repair shop.2.Fix the flat tire using the Mobility System,
refer to page 188.
Use of tire sealant, e.g., the Mobility System,
may damage the TPM wheel electronics. In this
case, have the electronics checked at the next
opportunity and have them replaced if needed.
Run-flat tires Maximum speed
You may 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
shown to be correct, it is possible that the
Tire Pressure Monitor did not perform a re‐
set. Then perform the reset.
Possible driving distance with complete loss of
tire inflation pressure:
The possible driving distance after a loss of tire
inflation pressure depends on cargo load, driv‐
ing style and road conditions.
A vehicle with an average load has a possible
driving range of approx. 50 miles/80 km.
A vehicle with a damaged tire reacts differently,
e.g., it has reduced lane stability during brak‐
ing, a longer braking distance and different
self-steering properties. Adjust your driving
style accordingly. Avoid abrupt steering ma‐
neuvers or driving over obstacles, e.g., curbs,
potholes, etc.
Because the possible driving distance depends
on how the vehicle is used during the trip, the
actual distance may be shorter or longer de‐
pending on the driving speed, road conditions,
external temperature, cargo load, etc.
WARNING
Your vehicle handles differently when a
run-flat tire is damaged and has low or missing
tire inflation pressure, e.g., your lane stability is
reduced when braking, braking distances are
longer and the self-steering properties will
change. There is risk of an accident.
Drive moderately and do not exceed a speed of
50 mph/80 km/h. ◀
Final tire failure
Vibrations or loud noises while driving can indi‐
cate the final failure of a tire.
Reduce speed and stop; otherwise, pieces of
the tire could come loose and cause an acci‐
dent.
Do not continue driving. Contact a dealer’s
service center or another qualified service cen‐
ter or repair shop.
Required inflation pressure check
message
A Check Control message is displayed in the fol‐
lowing situations▷The system has detected a wheel change,
but no reset was done.▷Inflation was not carried out according to
specifications.▷The tire inflation pressure has fallen below
the level of the last confirmation.
In this case:
▷Check the tire pressure and correct as
needed.▷Carry out a reset of the system after a tire
change.
System limits
The system does not function properly if a reset
has not been carried out, e.g., a flat tire is re‐
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ported though tire inflation pressures are cor‐
rect.
The tire inflation pressure depends on the tire's
temperature. Driving or exposure to the sun
will increase the tire's temperature, thus in‐
creasing the tire inflation pressure. The tire in‐
flation pressure is reduced when the tire tem‐
perature falls again. These circumstances may
cause a warning when temperatures fall very
sharply.
The system cannot indicate sudden serious tire
damage caused by external circumstances.
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.
Examples and recommendations in the follow‐
ing situations:▷A wheel without TPM electronics is
mounted, e.g. emergency wheel: Have it
checked by a dealer’s service center or an‐
other qualified service center or repair shop
as needed.▷Malfunction: Have system checked by a
dealer’s service center or another qualified
service center or repair shop.▷TPM was unable to complete the reset. Re‐
set the system again.▷Interference through systems or devices
with the same radio frequency: After leav‐
ing the area of the interference, the system
automatically 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 sys‐
tem (TPMS) that illuminates a low tire pressure
telltale when one or more of your tires is signifi‐
cantly 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 pressure. Driving
on a significantly under-inflated tire causes the
tire to overheat and can lead to tire failure. Un‐
der-inflation also reduces fuel efficiency and
tire tread life, and may affect the vehicle's han‐
dling and stopping ability. Please note that the
TPMS is not a substitute for proper tire mainte‐
nance, and it is the driver's responsibility to
maintain correct tire pressure, even if under-in‐
flation has not reached the level to trigger illu‐
mination of the TPMS low tire pressure telltale.
Your vehicle has also been equipped with a
TPMS malfunction indicator to indicate when
the system is not operating properly. The TPMS
malfunction indicator is combined with the low
tire pressure telltale. When the system detects
a malfunction, the telltale will flash for approxi‐
mately one minute and then remain continu‐
ously illuminated. This sequence will continue
upon subsequent vehicle start-ups as long as
the malfunction exists. When the malfunction
indicator is illuminated, the system may not be
able to detect or signal low tire pressure as in‐
tended. TPMS malfunctions may occur for a va‐
riety of reasons, including the installation of re‐
placement or alternate tires or wheels on the
vehicle that prevent the TPMS from functioning
properly. Always check the TPMS malfunction
telltale after replacing one or more tires or
wheels on your vehicle to ensure that the re‐
placement or alternate tires and wheels allow
the TPMS to continue to function properly.Seite 87SafetyCONTROLS87
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FTM Flat Tire Monitor
The concept
The system does not measure the actual infla‐
tion pressure in the tires.
It detects a tire inflation pressure loss by com‐
paring the rotational speeds of the individual
wheels while moving.
In the event of a tire inflation pressure loss, the
diameter and therefore the rotational speed of
the corresponding wheel changes. This will be
detected and reported as a flat tire.
Functional requirements
The system must have been initialized when
the tire inflation pressure was correct; other‐
wise, reliable flagging of a flat tire is not as‐
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, e.g., whether the RPA is active.1. Press button.2. "Vehicle Info"3."Vehicle status"4."Flat Tire Monitor (FTM)"
The status is displayed.
Initialization When initializing the once set inflation tire pres‐
sures serve as reference values in order to de‐
tect a flat tire. Initialization is started by con‐
firming the inflation pressures.
Do not initialize the system when driving with
snow chains.
1. Press button.2. "Vehicle Info"3."Vehicle status"4."Flat Tire Monitor (FTM)"5.Start the engine - do not drive off.6.Start the initialization with "Flat Tire
Monitor (FTM) reset".7.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
normal tires or run-flat tires.
Run-flat tires, refer to page 187, are la‐
beled with a circular symbol containing the
letters RSC marked on the tire's sidewall.
WARNING
A damaged regular tire with low or miss‐
ing tire inflation pressure impacts handling,
such as steering and braking response. Run-flat
tires can maintain limited stability. There is risk
of an accident. Do not continue driving if the
vehicle is not equipped with run-flat tires. Ob‐
serve the information on run-flat tires and con‐
tinued driving with these tires. ◀
When a flat tire is indicated, DSC Dynamic Sta‐
bility Control is switched on if needed.
System limits A natural, even tire inflation pressure loss in all
four tires will not be recognized. Therefore,
check the tire inflation pressure regularly.
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The Coasting driving condition is enabled under
certain conditions.
Under certain conditions the engine is auto‐
matically decoupled from the transmission in
selector lever position D. The vehicle continues
traveling with the engine idling to reduce fuel
consumption. Selector lever position D remains
engaged. An indicator provides information
about the distance traveled in Coasting mode.
In addition, context-sensitive instructions are
displayed to assist with an optimized fuel con‐
sumption driving style.
The achieved extended range is displayed in
the instrument cluster.
Overview The system includes the following MINIMAL
functions and displays:▷GREEN bonus range, refer to page 144.▷GREEN tips driving instruction, refer to
page 145.▷GREEN climate control, refer to page 144.▷Coasting driving condition, refer to
page 145.
Activating GREEN mode
Turn Driving Dynamics Control to
the right until GREEN mode is
displayed in the instrument clus‐
ter.
Configuring GREEN mode
Via radio
1. "Settings"2.Select between "Driving mode" or "GREEN
Mode"
Configure the program.
GREEN tip
"GREEN speed warning":
Displays a reminder when the set GREEN mode
speed is exceeded.
GREEN climate control
"GREEN climate control":
Climate control is set to be fuel-efficient.
By making a slight change to the set tempera‐
ture, or adjusting the rate of heating or cooling
of the car's interior fuel consumption can be
economized.
The outputs of the seat heater and the exterior
Additionally heat output to seats and exterior
mirror is reduced.
Exterior mirror heat is available when outside
temperatures are very low.
Coasting
Fuel-efficiency can be optimized by disengag‐
ing the engine and Coasting, refer to page 145,
with the engine idling.
This function is only available in GREEN mode.
Display in the instrument cluster
GREEN bonus range An adjusted driving style helps
you extend your driving range.
This may be displayed as the bo‐
nus range in the instrument clus‐
ter.
The bonus range is shown in the range display.
The bonus range is automatically reset every
time the vehicle is refueled.▷Green display: efficient driving style.▷Gray display: adjust driving style, e. g. by
backing off the accelerator pedal.Seite 144DRIVING TIPSSaving fuel144
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ToneVehicle features and op‐
tions
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 sys‐
tems. The respectively applicable country provi‐
sions must be observed when using the respec‐
tive features and systems.
General information Settings are stored for the profile, refer to
page 24, currently used.
Treble, bass, balance,
and fader
General information▷"Treble": treble adjustment.▷"Bass": depth adjustment.▷"Balance": left/right volume distribution.▷"Fader": front/rear volume distribution.
Adjusting treble, bass, balance, and
fader
1. "Settings", "Radio" or
"Media"2."Tone"3.Select the desired tone settings.4.Set the desired value.Volume
General information▷"Speed volume": speed-dependent volume
control.▷"PDC": volume of the PDC signal compared
to the entertainment sound output.▷"Gong": volume of the signal, such as the
safety belt reminder, compared to the en‐
tertainment sound output.▷"Microphone": volume of the microphone
during a phone call.▷"Loudspeak.": volume of the loudspeakers
during a phone call.
The following volumes are only stored for the
respective paired telephone:
"Microphone", "Loudspeak.".
Adjusting
1. "Settings", "Radio" or
"Media"2."Tone"3."Volume settings"4.Select the desired volume setting.5.Set the desired value.
Resetting the tone set‐
tings
1. "Settings", "Radio" or
"Media"2."Tone"3."Reset"Seite 150ENTERTAINMENTTone150
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3. Press button.4."RDS"
HD Radio™ reception
Many stations broadcast both analog and digi‐
tal signals.
License conditions
HD Radio technology manufactured under li‐
cense from iBiquity Digital Corporation. U. S.
and Foreign Patents. HD Radio™ and the HD,
HD Radio, and “Arc” logos are proprietary
trademarks of iBiquity Digital Corp.
Activating/deactivating digital radio
reception
1. "Radio"2."FM" or "AM"3. Press button.4."HD Radio reception"
This symbol is displayed in the status line
when the audio signal is digital.
When setting a station with a digital signal, it
may take a few seconds before the station
plays in digital quality.
Information about HD Radio stations whose
station name ends with ...HD or with ...HD1:
In areas in which the station is not continuously
received in digital mode, the playback switches
between analog and digital reception. In this
case, switch off digital radio reception.
Information about HD Radio multicast stations
whose station name ends
with ...HD2, ...HD3, ...:
In areas in which the station is not continuously
received in digital mode, there may be inter‐
ruptions of the audible signal lasting several
seconds. This depends on the reception.
Displaying additional information
Some stations broadcast additional information
on the current track, such as the name of the
artist.1.Select the desired station.2. Press button.3."Station info"
Stored stations
General information
It is possible to store up to 40 stations.
SymbolMeaning1 ... 40Memory location.FMStations out of the FM waveband.AMStations out of the AM waveband.SATSatellite radio station.
Calling up a station
1. "Radio"2."Presets"3.Select the desired memory location.
Storing a station The station currently selected is stored.
1. "Radio"2."Presets"3."Store station ( )"4.Memory location to be selected.
The stations can also be stored on the Favorites
buttons, refer to page 153.
Programmable memory buttons The first eight locations in the station list corre‐
spond to the assignment of the Favorites keys.
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To store the station:1.Select a station.2.Press and hold Favorites button until a sig‐
nal sounds.
Calling up a station:
1.Press Favorites button.
Shifting stations
1. "Radio"2."Presets"3.Select the station that is to be moved.4. Press button.5."Move entry"6.Select the memory location.
Deleting a station
1. "Radio"2."Presets"3. Press button.4."Delete entry"
Deleting all stations
1. "Radio"2."Presets"3. Press button.4."Delete presets"5.Confirm "Are you sure you want to delete
all saved stations?".
Satellite radio
General information
The channels are offered in predefined pack‐
ages. The packages must be subscribed by
phone.
Managing a subscription
To be able to enable or unsubscribe from the
channels, you must have reception. This is usu‐
ally the case when you have an unobstructed
view of the sky.
Enabling channelsThe Unsubscribed Channels category contains
all disabled channels.1. "Radio"2."Satellite radio"3.Select the Unsubscribed category.4.Select the channel.5. Press button.6."Manage subscription"
The phone number and an electronic serial
number, ESN, are displayed.7.Select the displayed phone number to sub‐
scribe to the channel.
The serial number, ESN, is needed to sub‐
scribe.
You can unsubscribe from the channels again
via this phone number.
Unsubscribing from channels
1. "Radio"2."Satellite radio"3.Select the channel.4. Press button.5."Manage subscription"
The phone number and an electronic serial
number, ESN, are displayed.6.Select the displayed phone number to un‐
subscribe from the channel.
The serial number, ESN, is needed to un‐
subscribe.Seite 154ENTERTAINMENTRadio154
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