Displays in the instrument clusterThe display indicates that the
automatic engine start-stop
function is ready for an auto‐
matic engine start.
The display indicates that the
conditions for an automatic en‐
gine stop have not been satis‐
fied.
Note The engine is not switched off automatically in
the following situations:▷External temperature too low.▷The external temperature is high and auto‐
matic climate control is running.▷The passenger compartment has not yet
been heated or cooled to the required
level.▷The engine is not yet at operating temper‐
ature.▷The wheels are at a sharp angle or the
steering wheel is being turned.▷After driving in reverse.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷The engine compartment lid is unlocked.▷Stop-and-go traffic.▷Use of fuel with high ethanol content.
Starting the engine
The engine starts automatically under the fol‐
lowing conditions:
▷Manual transmission:
The clutch pedal is pressed.▷Double-clutch transmission:
By releasing the brake pedal.
After the engine starts, accelerate as usual.
Safety mode
After the engine switches off automatically, it
will not start again automatically if any one of
the following conditions are met.▷The driver's safety belt is unbuckled and
the driver's door is open.▷The hood was unlocked.
Some indicator lamps light up for varying
lengths of time.
The engine can only be started via the Start/
Stop button.
Note Even if driving away was not intended, the de‐
activated engine starts up automatically in the
following situations:
▷Excessive warming of the passenger com‐
partment when the cooling function is
switched on.▷The steering wheel is turned.▷Double-clutch transmission: Change of the
transmission from D to N, R or D/S.▷Double-clutch transmission: Accelerating
while simultaneously applying the brake.▷The vehicle begins rolling.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷Excessive cooling of the passenger com‐
partment when the heating is switched on.▷Low brake vacuum pressure; this can oc‐
cur, for example, if the brake pedal is de‐
pressed a number of times in succession.
Preventing an automatic engine stop with a double-clutch transmission
The concept To make it possible to drive away very quickly,
such as at an intersection, the automatic en‐
gine stop can be actively prevented.
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Preventing an engine stop using thebrake pedal
The engine stop can be actively prevented
within one second after the vehicle comes to a
standstill.▷Immediately after the vehicle comes to a
standstill, briefly press the brake pedal
forcefully.▷Then press the brake pedal with normal
braking force.
Activating/deactivating the system
manually
Using the button
Press the button.
▷LED comes on: Auto Start Stop function is
deactivated.
The engine is started during an automatic
engine stop.
The engine can only be stopped or started
via the Start/Stop button.▷LED goes out: Auto Start Stop function is
activated.
Switching off the vehicle during an
automatic engine stop
During an automatic engine stop, the vehicle
can be switched off permanently, e.g., when
leaving it.
1.Press the Start/Stop button. The ignition is
switched off. The Auto Start/Stop function
is deactivated.Transmission position P is engaged auto‐
matically.2.Set the parking brake.
Engine start as usual via Start/Stop button.
Automatic deactivation
In certain situations, the Auto Start/Stop func‐
tion is deactivated automatically for safety rea‐
sons, such as when the driver is detected to be
absent.
Malfunction
The Auto Start/Stop function no longer
switches of the engine automatically. A Check
Control message is displayed. It is possible to
continue driving. Have the system checked.
Parking brake
The concept The parking brake is used to prevent the vehi‐
cle from rolling when it is parked.
Setting
Pull the switch.
The LED lights up.
The indicator lamp lights up red. The
parking brake is set.
Lower lamp: indicator lamp in Canadian
models
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Engaging the transmission position
Pull or push lever in the corresponding direc‐
tion.
As soon as the selector lever is released, it re‐
verts to the center position. In position R, the
selector lever locks.
The engaged transmission position is dis‐
played in the instrument cluster and on the se‐
lector lever.
With the transmission position engaged, the
vehicle can be moved very slowly when ma‐
neuvering or in stop and go traffic. To do this,
depress the accelerator briefly while the vehi‐
cle is stationary.
Shift lock
To shift out of neutral, apply the brake while
the vehicle is stationary.
R is Reverse
Select only when the vehicle is stationary.
It is also possible to rock the vehicle up to
6 mph/10 km/h. To do this, switch between
forward and reverse gear.
N is Neutral Use in automatic car washes, for example. The
vehicle can then roll.
S Sequential mode
Use the shift paddles or the shift lever to up‐
shift or downshift without letting off the gas.
Automatic Functions:▷Upshifting or downshifting is done only if
the rpm and vehicle speed are appropriate.
For example, there is no downshifting if the
engine speed is too high.▷Shortly before falling below a gear-de‐
pendent minimum speed, the transmission
is automatically downshifted.
It is also possible to start out in 2nd gear, e. g.
on icy roads.
Kickdown: for maximum acceleration, e. g.
when passing. To do this, depress the acceler‐
ator pedal past the resistance point, and pull
the left shift paddle once or push the shift lever
forward once.
Switch to Drive mode: push selector lever in
D/S direction.
D Drive mode In Drive mode, all forward gears are automati‐
cally changed.
Kickdown: for maximum acceleration, e. g.
when passing. To do this, depress the acceler‐
ator pedal past the resistance point.
Switch to Sequential mode: shift using the
shift paddles or the selector lever, or push the
selector lever in the D/S direction.
P Park
The drive wheels are blocked.
P is engaged automatically:▷After the engine is switched off in ignition
off, refer to page 63, if position R or D is
engaged.▷If the ignition is switched off and position N
is engaged.
Displays in the instrument cluster
Sequential mode
▷Engaged gear, arrow 1.▷Selected driving program,
Drivelogic, refer to
page 74, arrow 2.
Drive mode
▷Engaged gear together with
a D, arrow 1.▷Selected driving program,
Drivelogic, refer to
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▷Current engine speed is lightly highlighted
in the display.▷Arrow 1: successive yellow illuminated
fields indicate the upcoming upshift mo‐
ment.▷Arrow 2: fields are illuminated in red. Do
not wait any further to shift.
When the maximum possible speed is
reached, the entire speed display flashes.
When the maximum speed is exceeded, the
supply of fuel is interrupted in order to protect
the engine. Speeds in this range must be
avoided.
Displaying Shift LightsShift Lights can only be displayed in M view,
refer to page 132.
1.Switch on Head-Up Display, refer to
page 132.2."Settings"3."Head-Up Display"4."Displayed information"5."M View"
Low Speed Assistant
The Low Speed Assistant gives assistance at
very low speeds. The vehicle travels at walking
speed and automatically controls the speed of
the engine.
This can also be used for rocking the vehicle in
the snow. To do this, switch between reverse
gear and forward gear without stepping on the
brakes in the process.
Activating
1.Engage a driving position.2.Briefly tap the accelerator petal.
The vehicle rolls at minimum speed.
This is possible in 1st and 2nd gear and in re‐
verse gear.
Overheating
Do not ride the brake; otherwise, the
transmission may overheat.◀
DeactivatingApply the brakes until the vehicle comes to a
stop.
System limits
This transmission has an overheating protec‐
tion mechanism, which protects the clutch
from extreme stress.▷Indicator lamp lights up yellow:
transmission too hot.
Avoid high engine stress and fre‐
quent starts.▷Indicator lamp lights up red: transmission
is overheating.
Further driving at a moderate pace is pos‐
sible. At the next opportunity, stop the car,
shut off the engine and allow the transmis‐
sion to cool down.
Avoid fast starts, and on inclines did not accel‐
erate lightly while letting the clutch slip; other‐
wise, the transmission may overheat.
During traffic jams or at very low speeds, use
the Low Speed Assistant, refer to page 76.
M Driving Dynamics Control
The concept The M Driving Dynamics Control affects the
response of the vehicle to accelerator pedal
movements.
ProgramsResponse behavior options:
▷"Efficient": comfortable. Minimal fuel con‐
sumption.
Ideal e. g. in city traffic or on snow.Seite 76ControlsDriving76
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Electronic displays
Overview, instrument cluster1Messages, e.g. Check Control 79
Time 82
Digital tachometer 822Range 833Computer 884Transmission display, Drivelogic 83
Gear shift indicator 86
Service requirements 84Miles/trip miles 825Selection list, such as for the radio 88
System states of driving dynamics 84
Current fuel consumption 83
Energy recovery 83
External temperature 82
Auto Start/Stop function 65Check Control
The concept The Check Control system monitors functions
in the vehicle and notifies you of malfunctions
in the monitored systems.
A Check Control message is displayed as a
combination of indicator or warning lamps and
text messages in the instrument cluster and in
the Head-up Display.In addition, an acoustic signal may be output
and a text message may appear on the Control Display.
Indicator/warning lamps The indicator and warning lamps in the instru‐
ment cluster can light up in a variety of combi‐
nations and colors.
Several of the lamps are checked for proper
functioning and light up temporarily when the
engine is started or the ignition is switched on.Seite 79DisplaysControls79
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EfficientDynamics displayInformation on fuel consumption and technol‐
ogy can be displayed during driving.1."Vehicle Info"2."EfficientDynamics"
Displaying fuel consumption history
The average fuel consumption can be dis‐
played within an adjustable time frame.
"Consumption history"
Adjusting fuel consumption history time frame
Select the symbol.
Resetting fuel consumption history
1.Open "Options".2."Reset consumption history"
Displaying EfficientDynamics info
The current efficiency can be displayed.
"EfficientDynamics info"
The following systems are displayed:
▷Automatic engine Start/Stop function.▷Energy recovery.▷Climate control output.
Driving dynamics systems
The system states of the driving
dynamics are displayed in the
instrument cluster.
SymbolsDescriptionEngine Dynamics Control, refer to
page 76.Electronic Damper Control EDC,
refer to page 119.Servotronic, refer to page 120.
Activate display
1."Settings"2."Info display"3.If necessary. "M dynamic driving syst."
The display for the Driving Dynamics
System is active.
Display Current fuel consumption, refer
to page 83, and Energy recovery, refer to
page 83.
Service requirements
Display The driving distance or the time
to the next scheduled mainte‐
nance is displayed briefly after
the ignition is switched on.
The current service require‐
ments can be read out from the remote control
by the service specialist.
With TeleService, data regarding the service
status or legally mandated inspections of your
vehicle are automatically transmitted to your
service center before the service due date.
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When destination guidance is activated in
the navigation system.
When the arrow view in the Head-up Dis‐
play is inactive.
Adjusting the info display
You can select what information from the on‐
board computer is to be displayed on the info
display of the instrument cluster.
1."Settings"2."Info display"3.Select the desired displays.
Information in detail
Range
Displays the estimated cruising range available
with the remaining fuel.
It is calculated based on your driving style over
the last 20 miles/30 km.
Average fuel consumption
The average fuel consumption is calculated for
the period during which the engine is running.
The average fuel consumption is calculated for
the distance traveled since the last reset by the
onboard computer.
Average speed
Periods in which the vehicle is parked with the
engine manually stopped do not enter into the
calculation of the average speed.
Resetting average values
Press and hold the computer button on the turn signal lever.
Distance to destination
The distance remaining to the destination is
displayed if a destination is entered in the navi‐
gation system before the trip is started.
The distance to the destination is adopted au‐
tomatically.
Time of arrival
The estimated time of arrival is
displayed if a destination is en‐
tered in the navigation system
before the trip is started.
The time must be correctly set.
Speed limit detection
Description of the speed limit detection, refer
to page 86, function.
Speed limit
Display of a speed limit which, when reached,
should cause a warning to be issued.
The warning is repeated if the vehicle speed
drops below the set speed limit once by at least 3 mph/5 km/h.
Displaying, setting or changing the
limit1."Settings"2."Speed"3."Warning at:"4.Turn the controller until the desired limit is
displayed.5.Press the controller.
The speed limit is stored.
Activating/deactivating the limit
1."Settings"2."Speed"3."Warning"4.Press the controller.
Setting your current speed as the limit
1."Settings"2."Speed"3."Select current speed"4.Press the controller.Seite 89DisplaysControls89
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All wheels green
System is active and will issue a warning rela‐
tive to the tire inflation pressures stored during
the last reset.
One wheel is yellow
A flat tire or major drop in inflation pressure in
the indicated tire.
All wheels are yellow A flat tire or major drop in inflation pressure in
several tires.
Wheels, gray
The system cannot detect a flat tire. Reasons
for this may be:▷The system is being reset.▷Malfunction.
Additional information
The status display additionally shows the cur‐
rent tire inflation pressures and tire tempera‐
tures. The values shown are current measure‐
ment values and may vary depending on
driving style or weather conditions.
Carry out reset Reset 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 182.3.Repair flat tire with the Mobility System, re‐
fer to page 180, 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.
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