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 188, 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 hints on run-flat tires and continued
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.
Sudden serious tire damage caused by external
circumstances cannot be recognized in ad‐
vance.
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: spinning traction
wheels, high lateral acceleration (drifting).
▷When driving with snow chains.Actions in the event of a flat tire
Normal 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 189, can be used for this
purpose.
If the tire inflation pressure in all four tires is
correct, the Flat Tire 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 service
center or another qualified service center or
repair shop.
2.Fix the flat tire using the Mobility System,
refer to page 189.
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
correct, the Flat Tire Monitor may not have
been initialized. In this case, initialize the
system.
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.
Seite 109SafetyCONTROLS109
Online Edition for Part no. 01 40 2 964 571 - X/15
SymbolMeasureSymbol lights up red: prewarning.
Brake and increase distance.
Symbol flashes red and an acoustic
signal sounds: acute warning.
You are requested to intervene by
braking or make an evasive maneu‐
ver.
Prewarning
This warning is issued, for example, when there
is the impending danger of a collision or the
distance to the vehicle ahead is too small.
The driver must intervene actively when there
is a prewarning.
Acute warning with braking function
Acute warning in displayed in case of the immi‐
nent danger of a collision when the vehicle ap‐
proaches another object at a high differential
speed.
The driver must intervene actively when there
is an acute warning. If necessary, the driver is
assisted by a minor automatic braking inter‐
vention in a possible risk of collision.
Acute warnings can also be triggered without
previous forewarning.
Braking intervention
The warning prompts the driver himself/herself
to react. During a warning, the maximum brak‐
ing force is used. Premise for the brake booster
is sufficiently quick and sufficiently hard step‐
ping on the brake pedal. The system can assist
with some braking intervention if there is risk of
a collision. At low speeds vehicles may thus
come to a complete stop.
Manual transmission: During a braking inter‐
vention up to a complete stop, the engine may
be shut down.
The braking intervention is executed only if DSC
Dynamic Stability Control is switched on.
The braking intervention can be interrupted by
stepping on the accelerator pedal or by actively
moving the steering wheel.
Object detection can be restricted. Limitations
of the detection range and functional restric‐
tions are to be considered.
System limits
Information
WARNING
The system can react incorrectly or not at
all due to the system limits. There is risk of acci‐
dents or risk of property damage. Observe the
system limits and actively interfere if needed.◀
Detection range
The system's detection potential is limited.
Thus a system reaction might not come or
might come late.
E. g. the following situations may not be de‐
tected:
▷Slow moving vehicles when you approach
them at high speed.
▷Vehicles that suddenly swerve in front of
you, or sharply decelerating vehicles.
▷Vehicles with an unusual rear appearance.▷Two-wheeled vehicles ahead of you.
Functional limitations
The system may not be fully functional in the
following situations:
▷In heavy fog, rain, sprayed water or snow‐
fall.
▷In tight curves.▷If the field of view of the camera or the
front windshield are dirty or covered.
▷If the driving stability control systems are
deactivated, for example DSC OFF.
▷Up to 10 seconds after the start of the en‐
gine, via the Start/Stop button.
Seite 113SafetyCONTROLS113
Online Edition for Part no. 01 40 2 964 571 - X/15
The braking intervention can be interrupted by
stepping on the accelerator pedal or by actively
moving the steering wheel.
Object detection can be restricted. Limitations
of the detection range and functional restric‐
tions are to be considered.
System limits
Information
WARNING
The system can react incorrectly or not at
all due to the system limits. There is risk of acci‐
dents or risk of property damage. Observe the
system limits and actively interfere if needed.◀
Detection range
The detection potential of the camera is lim‐
ited.
Thus a warning might not be issued or be is‐
sued late.
E. g. the following situations may not be de‐
tected:
▷Partially covered pedestrians.▷Pedestrians that are not detected as such
because of the viewing angle or contour.
▷Pedestrians outside of the detection range.▷Pedestrians having a body size less than
32 inches/80 cm.
Functional limitations
The system may not be fully functional or may
not be available in the following situations:
▷In heavy fog, rain, sprayed water or snow‐
fall.
▷In tight curves.▷If the field of view of the camera or the
front windshield are dirty or covered.
▷If the driving stability control systems are
deactivated, for example DSC OFF.
▷Up to 10 seconds after the start of the en‐
gine, via the Start/Stop button.
▷During calibration of the camera immedi‐
ately after vehicle delivery.
▷If there are constant blinding effects be‐
cause of oncoming light, e. g., from the sun
low in the sky.
▷When it is dark outside.
Brake force display
The concept
▷During normal brake application, the brake
lights light up.
▷During heavy brake application, the flash‐
ers light up in addition.
PostCrash
In the event of an accident, the system can
bring the car to a halt automatically without in‐
tervention by the driver in certain situations.
This can reduce the risk of a further collision
and the consequences thereof.
Depressing the brake pedal can cause the vehi‐
cle to brake harder. This interrupts automatic
braking. Destepping on the gas pedal also in‐
terrupts automatic braking.
After coming to a halt, the brake is released au‐
tomatically. Secure the vehicle against rolling.
Seite 116CONTROLSSafety116
Online Edition for Part no. 01 40 2 964 571 - X/15
Driving stability control systemsVehicle 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.
Anti-lock Braking System
ABS
ABS prevents locking of the wheels during
braking.
The vehicle contains its steering power even
during full brake applications, thus increasing
active safety.
ABS is operational every time you start the en‐
gine.
Brake assistant
When you apply the brakes rapidly, this system
automatically produces the greatest possible
braking force boost. It reduces the braking dis‐
tance to a minimum during emergency stop.
This system utilizes all of the benefits provided
by ABS.
Do not reduce the pressure on the brake pedal
for the duration of the emergency stop.
DSC Dynamic Stability
Control
The concept
Dynamic Stability Control detect for example
the following unstable driving conditions:
▷Fishtailing, which can lead to oversteering.▷Loss of traction of the front wheel, which
can lead to understeering.
Within the physical limits, the system helps to
keep the vehicle on a steady course by reduc‐
ing engine speed and by applying brakes to the
individual wheels.
Information
The system does not relieve the driver from his
responsibility to adjust his driving style accord‐
ing to the situation.
Therefore, adjust the driving style according to
the situation and do not reduce the additional
safety margin by driving in a risky manner.
WARNING
When driving with roof load, for example
with roof-mounted luggage rack, driving safety
may not be ensured in driving-critical situations
due to the elevated center of gravity. There is
risk of accidents or risk of property damage. Do
not deactivate Dynamic Stability Control DSC
when driving with roof load.◀
Indicator/warning lights
The indicator lamp flashes: DSC controls
the drive and braking forces.
The indicator lamp lights up: DSC has
failed.
Seite 117Driving stability control systemsCONTROLS117
Online Edition for Part no. 01 40 2 964 571 - X/15
Driving comfortVehicle 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.
Camera-based cruise con‐
trol
The concept
Use this system to select a desired speed that
the vehicle will maintain automatically on clear
roads.
To the extent possible, the system automati‐
cally adjusts the speed to a slower vehicle
ahead of you.
A camera on the interior rear view mirror is
used to detect vehicles driving ahead.
The distance that the vehicle maintains to the
vehicle ahead of you can be varied.
For safety reasons, it depends on the speed.
To maintain a certain distance, the system au‐
tomatically decelerates, applies the brakes
lightly, or accelerates again if the vehicle ahead
begins moving faster.
As soon as the road is clear, the vehicle acceler‐
ates to the desired speed.
The speed is also maintained downhill, but may
not be maintained uphill if engine power is in‐
sufficient.
General information
The system is functional at speeds beginning at
approx. 20 mph/30 km/h.
Active cruise control is paused below approx.
20 mph/30 km/h.
The system does not brake to a stop.
Depending on the driving program, refer to
page 119, set, the characteristics of the cruise
control in particular areas can change.
Information
WARNING
The system does not relieve from the per‐
sonal responsibility to correctly assess the traf‐
fic situation. Based on the limits of the system,
it cannot independently react to all traffic situa‐
tions. There is risk of an accident. Adjust the
driving style to the traffic conditions. Watch
traffic closely and actively interfere in the re‐
spective situations.◀
WARNING
The system does not relieve from the per‐
sonal responsibility to correctly assess visibility
and traffic situation. There is risk of an accident.
Adjust the driving style to the traffic conditions.
Watch traffic closely and actively interfere in
the respective situations.◀
Overview
Buttons on the steering wheel
Press buttonFunctionCruise control on/off, refer to
page 122
Store/maintain speed, refer to
page 123
Seite 121Driving comfortCONTROLS121
Online Edition for Part no. 01 40 2 964 571 - X/15
Press buttonFunctionPause cruise control, refer to
page 122
Continue cruise control with the
last setting, refer to page 123
Reduce distance, refer to
page 123
Increase distance, refer to
page 123
Increase, maintain, and store
speed, refer to page 123
Reduce, maintain, and store
speed, refer to page 123
Buttons are arranged according to vehicle's ser‐
ies, optional features and country specifica‐
tions.
Camera
The camera is installed near the interior rear‐
view mirror.
Keep the windshield in the area behind the in‐
terior rearview mirror clean and clear.
Switching on/off and interrupting cruise
control
Switching on
Press button on the steering wheel.
Display in the instrument cluster lights
up.
Display in the instrument cluster lights
up. The current speed is adopted as de‐
sired speed and displayed with symbol.
Cruise control is active and maintains the set
speed.
DSC will be switched on if needed.
Switching off
Press button on the steering wheel.
The displays go out. The stored desired speed is
deleted.
Interrupting
Press button on the steering wheel.
The system is automatically interrupted in the
following situations:
▷When the brakes are applied.▷If the clutch pedal is depressed for a few
seconds or released while a gear is not en‐
gaged.
▷If selector lever position N is set.▷When DTC is activated or DSC is deacti‐
vated.
▷When DSC is actively controlling stability.▷If the detection range of the camera is im‐
paired, e.g., by soiling, heavy precipitation
or glare effects from the sun.
▷If the vehicle in front decelerates below a
speed of approx. 20 mph/30 km/h.
Seite 122CONTROLSDriving comfort122
Online Edition for Part no. 01 40 2 964 571 - X/15
Malfunction
A Check Control message is displayed if the sys‐
tem fails or was automatically deactivated.
The system may not be fully functional in the
following situations:
▷When an object was not correctly detected.▷In heavy fog, rain, sprayed water or snow‐
fall.
▷In tight curves.▷If the field of view of the camera or the
front windshield are dirty or covered.
▷When driving toward bright lights.▷Up to 20 seconds after the start of the en‐
gine, via the Start/Stop button.
▷During calibration of the camera immedi‐
ately after vehicle delivery.
Cruise control
The concept
The system is functional at speeds beginning at
approx. 20 mph/30 km/h.
It maintains the speed that was set using the
control elements on the steering wheel.
The system brakes on downhill gradients if en‐
gine braking is insufficient.
Information
WARNING
The system does not relieve from the per‐
sonal responsibility to correctly assess the traf‐
fic situation. Based on the limits of the system,
it cannot independently react to all traffic situa‐
tions. There is risk of an accident. Adjust the
driving style to the traffic conditions. Watch
traffic closely and actively interfere in the re‐
spective situations.◀
WARNING
The use of the system can lead to an in‐
creased risk of accidents in the following situa‐
tions:
▷On winding roads.▷In heavy traffic.▷On slippery roads, in fog, snow or rain, or
on a loose road surface.
There is risk of accidents or risk of property
damage. Only use the system if driving at con‐
stant speed is possible.◀
General information
Depending on the driving program, refer to
page 119, set, the characteristics of the cruise
control in particular areas can change.
Overview
Buttons on the steering wheel
Press buttonFunctionCruise control on/offStore speedPausing cruise control
Continue cruise control with the
last setting
Increasing, maintaining or storing
the speed
Reducing, maintaining or storing
the speed
Controls
Switching on
Press button on the steering wheel.
Seite 127Driving comfortCONTROLS127
Online Edition for Part no. 01 40 2 964 571 - X/15
The indicator lamp in the instrument
cluster lights up.
The current speed is adopted as the de‐
sired speed and is displayed with the
symbol in the instrument cluster.
Cruise control is active and maintains the set
speed.
DSC will be switched on if needed.
Switching off
Press button on the steering wheel.
The displays go out. The stored desired speed is
deleted.
Interrupting
When active, press the button on the
steering wheel.
The system is automatically interrupted in the
following situations:
▷When the brakes are applied.▷If the clutch pedal is depressed for a few
seconds or released while a gear is not en‐
gaged.
▷If the gear engaged is too high for the cur‐
rent speed.
▷If selector lever position N is set.▷When DTC is activated or DSC is deacti‐
vated.
▷When DSC is actively controlling stability.
Maintaining, storing, and changing the
speed
Information
WARNING
The desired speed can be incorrectly ad‐
justed or called up by mistake. There is risk of
an accident. Adjust the desired speed to the
traffic conditions. Watch traffic closely and ac‐
tively interfere in the respective situations.◀
Maintaining/storing the speed
Press button.
Or
or button: press while the system is in‐
terrupted.
When the system is switched on, the current
speed is maintained and stored as the desired
speed.
This is displayed in the instrument cluster.
DSC will be switched on if needed.
Changing the speed
or button: press repeatedly until the de‐
sired speed is set.
If active, the displayed speed is stored and the
vehicle reaches the stored speed when the
road is clear.
▷ or button: each time it is pressed to
the point of resistance, the desired speed
increases or decreases by approx.
1 mph/1 km/h.
▷ or button: each time it is pressed
past the point of resistance, the desired
speed increases or decreases by a maxi‐
mum of 5 mph/10 km/h.
The maximum speed that can be set de‐
pends on the vehicle.
▷ or button: pressing it to the resist‐
ance point and holding it there accelerates
or decelerates the vehicle without requiring
pressure on the accelerator pedal. After the
button is released, the vehicle maintains its
final speed. Pressing the switch beyond the
resistance point causes the vehicle to accel‐
erate more rapidly.
Seite 128CONTROLSDriving comfort128
Online Edition for Part no. 01 40 2 964 571 - X/15