Driving and operating
167
Vehicles with automatic transmission:
Apply electric parking brake: pull and
Maintain steady pressure on the
Engaging D and then depressing the
hold switch m for more than five
brake pedal as long as full braking is
accelerator pedal releases the
seconds. If control indicator m
required. Maximum brake force is
electric parking brake automatically.
illuminates, electric parking brake is
automatically reduced when brake
This is not possible when the switch
applied.
pedal is released.
m is pulled at the same time.
Release electric parking brake: push
and hold the switch m for more than
Hill start assist
Dynamic braking when vehicle is
two seconds. If control indicator m
moving
The system helps prevent unintended
extinguishes, electric parking brake is
When the vehicle is moving and the
movement when driving away on
released.
switch m is kept pulled, the electric
inclines.
parking brake system will decelerate
Control indicator m flashes: electric
When releasing the brake pedal after
the vehicle, but will not apply
parking brake is not fully applied or
stopping on an incline, the brakes
statically.
released. When continuously
remain on for a further two seconds.
flashing, release electric parking
As soon as the switch m is released,
The brakes release automatically as
brake and retry applying.
dynamic braking will be stopped.
soon as the vehicle begins to
accelerate or the two seconds holding
Functionality check
Brake assist
time is over.
When the vehicle is not moving, the
The hill start assist is not active during
If brake pedal is depressed quickly
electric parking brake might be
an Autostop.
and forcefully, maximum brake force
applied automatically. This is done to
is automatically applied.
check the system.
Operation of brake assist might
Fault
become apparent by a pulse in the
Failure mode of electric parking brake
brake pedal and a greater resistance
is indicated by a control indicator j
when depressing the brake pedal.
and by a vehicle message which is
displayed in the Driver Information
Centre. Vehicle messages 3 122.
168
Driving and operating
A status message appears in the
Ride control systems
9 Warning
Driver Information Centre when TC is
deactivated.
Traction Control system
Do not let this special safety
The Traction Control system (TC) is a
feature tempt you into taking risks
component of the Electronic Stability
when driving.
Control.
Adapt speed to the road
TC improves driving stability when
conditions.
necessary, regardless of the type of
road surface or tyre grip, by
Control indicator b 3 113.
preventing the drive wheels from
Control indicator k illuminates.
Deactivation
spinning.
When TC is deactivated, ESC
As soon as the drive wheels starts to
remains active but with higher control
spin, engine output is reduced and
threshold.
the wheel spinning the most is braked
TC is reactivated by pressing b
individually. This considerably
again. A status message pops-up in
improves the driving stability of the
the Driver Information Centre when
vehicle on slippery road surfaces.
TC is reactivated.
TC is also reactivated the next time
the ignition is switched on.
Fault
If there is a fault in the system the
control indicator b illuminates
TC can be switched off when spinning
TC is operational after each engine
continuously and a message appears
of drive wheels is required: press b
start as soon as the control indicator
in the Driver Information Centre. The
briefly.
b extinguishes.
system is not operational.
When TC operates b flashes.
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Driving and operating
169
Have the cause of the fault remedied
illuminate and status messages
9 Warning
by a workshop.
appear in the Driver Information
Centre.
Do not let this special safety
Electronic Stability Control
feature tempt you into taking risks
Electronic Stability Control (ESC)
when driving.
improves driving stability when
Adapt speed to the road
necessary, regardless of the type of
conditions.
road surface or tyre grip.
As soon as the vehicle starts to
Control indicator b 3 113.
●
To deactivate only Traction
swerve (understeer/oversteer),
Deactivation
control system press button b
engine output is reduced and the
briefly: TC is inactive but ESC
wheels are braked individually.
remains active, k illuminates. A
ESC operates in combination with the
status message appears in the
Traction Control system (TC). It
Driver Information Centre when
prevents the drive wheels from
TC is deactivated.
spinning.
ESC is reactivated by pressing the
b button again. If the TC system was
previously disabled, both TC and
ESC are reactivated. k and n
extinguishes when TC and ESC are
reactivated.
ESC is also reactivated the next time
ESC is operational after each engine
the ignition is switched on.
ESC and TC can be deactivated:
start as soon as the control indicator
● hold b pressed for a minimum of
b extinguishes.
five seconds: ESC and TC are
When ESC operates b flashes.
both deactivated. k and n
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170
Driving and operating
Fault
In each driving mode Flex Ride
The settings of the systems are
networks the following electronic
adapted to a sportier driving style:
If there is a fault in the system the
systems:
● Damping of shock absorbers
control indicator b illuminates
● Continuous Damping Control
reacts more stiffly to provide
continuously and a message appears
better contact with the road
in the Driver Information Centre. The
● Accelerator Pedal Control
surface.
system is not operational.
● Steering Control
● The engine reacts more quickly
Have the cause of the fault remedied
● Automatic transmission
to the accelerator pedal.
by a workshop.
SPORT mode
● Steering support is reduced.
● Shift points of automatic
Interactive driving system
transmission occur later.
Flex Ride
TOUR mode
Flex Ride driving system allows the
driver to select between three driving
modes:
● SPORT mode: press SPORT,
LED illuminates.
● TOUR mode: press TOUR, LED
illuminates.
● Normal mode: neither SPORT or
TOUR are pressed, no LED
illuminates.
Deactivate SPORT mode and TOUR
mode by pressing the corresponding
button once more.
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Driving and operating
171
The settings of the systems are
recognising greater variations, the
Select the relevant settings in
adapted to a comfort driving style:
driving mode is changed for the
Settings in the Info-Display.
length of variation.
● Damping of shock absorbers
Info-Display 3 121.
reacts more softly.
If, for example, Normal mode is
Vehicle personalisation 3 124.
selected and DMC detects a sporty
● Accelerator pedal reacts with
driving behaviour, DMC changes
standard settings.
several settings of the Normal mode
● Steering support is in standard
into sporty settings. The DMC
mode.
changes to SPORT mode in case of
● Shift points of automatic
very sporty driving behaviour.
transmission occur in a comfort
If, for example, TOUR mode is
mode.
selected and whilst driving on a
winding road a sudden hard brake is
Normal mode
necessary, DMC will detect the
All settings of the systems are
dynamic vehicle condition and
adapted to standard values.
changes the settings for suspension
to SPORT mode to increase vehicle
Drive mode control
stability.
Within each manual selected driving
When the driving characteristic or the
mode SPORT, TOUR or Normal, the
dynamic vehicle state returns to
Drive Mode Control (DMC) detects
former state, DMC will change the
and analyses continuously the real
settings to the preselected driving
driving characteristics, responses by
mode.
the driver, and the active dynamic
state of the vehicle. If necessary, the
Personalised settings in the Sport
control unit of DMC automatically
mode
changes the settings within the
selected driving mode or, when
The driver can select the functions of
the SPORT mode when SPORT is
pressed.
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172
Driving and operating
Press m; control indicator m in
Driver assistance
instrument cluster illuminates white.
systems
Activation
Accelerate to the desired speed and
9 Warning
turn thumb wheel to SET/-, the
current speed is stored and
Driver assistance systems are
maintained. Control indicator m in
developed to support the driver
instrument cluster illuminates green.
and not to replace the driver's
Accelerator pedal can be released.
attention.
Vehicle speed can be increased by
The driver accepts full
depressing the accelerator pedal.
responsibility when driving the
Do not use the cruise control if it is not
When the accelerator pedal is
vehicle.
advisable to maintain a constant
released, the previously stored speed
When using driver assistance
speed.
is resumed.
systems, always take care
With automatic transmission, only
Cruise control remains activated
regarding the current traffic
activate cruise control in automatic
while gearshifting.
situation.
mode.
Increase speed
Control indicator m 3 115.
Cruise control
With cruise control active, hold thumb
The cruise control can store and
Switching on
wheel turned to RES/+ or briefly turn
maintain speeds of approx. 20 mph to
to RES/+ repeatedly: speed
maximum vehicle speed. Deviations
increases continuously or in small
from the stored speeds may occur
increments.
when driving uphill or downhill.
Alternatively accelerate to the desired
For safety reasons, the cruise control
speed and store by turning to SET/-.
cannot be activated until the foot
brake has been operated once.
Activation in first gear is not possible.
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Driving and operating
173
Automatic deactivation:
Switching off
●
Vehicle speed is below approx.
Press m, control indicator m in
20 mph.
instrument cluster extinguishes. The
●
Vehicle speed drops more than
stored speed is deleted.
15 mph below the set speed.
Pressing L to activate the speed
●
The brake pedal is depressed.
limiter or switching off the ignition also
●
The clutch pedal is depressed for
switches off cruise control and
a few seconds.
deletes the stored speed.
●
Selector lever is in N.
Speed limiter
●
Engine speed is in a very low
range.
The speed limiter prevents the
Reduce speed
●
The Traction Control system or
vehicle exceeding a preset maximum
Electronic Stability Control is
speed.
With cruise control active, hold thumb
operating.
The maximum speed can be set at
wheel turned to SET/- or briefly turn to
SET/- repeatedly: speed decreases
●
Parking brake is applied.
speeds above 15 mph up to
continuously or in small increments.
125 mph.
●
Simultaneous pressing RES/+
and brake pedal deactivates
The driver can only accelerate up to
Deactivation
cruise control and will delete
the preset speed. Deviations from the
Press y, control indicator m in
stored speed.
limited speed may occur when driving
downhill.
instrument cluster illuminates white.
Resume stored speed
The preset speed limit is displayed in
Cruise control is deactivated, but not
the Driver Information Centre when
switched off. Last stored speed
Turn thumb wheel to RES/+ at a
the system is active.
remains in memory for later speed
speed above 20 mph. The stored
resume.
speed will be obtained.
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174
Driving and operating
Activation
Deactivation
Press y: speed limiter is deactivated
and the vehicle can be driven without
speed limit.
Change speed limit
With speed limiter active, turn thumb
wheel to RES/+ to increase or SET/-
to decrease the desired maximum
speed.
The stored limited speed is indicated
in brackets. Additionally, a
Exceeding the speed limit
corresponding message appears.
Press L. Symbol Lilluminates in the
When exceeding the limited speed
Driver Information Centre.
Speed limiter is deactivated, but not
without driver input, the speed will
switched off. Last stored speed
If cruise control or adaptive cruise
flash in the Driver Information Centre
remains in memory for later speed
control has been activated before, it
and a chime sounds during this
resume.
is switched off when speed limiter is
period.
activated and the control indicator m
In the event of an emergency, it is
Resume limit speed
extinguishes.
possible to exceed the speed limit by
Turn thumb wheel to RES/+. The
depressing the accelerator pedal
Set speed limit
stored speed limit will be obtained
firmly nearly to the final point. In this
and is indicated without brackets in
Accelerate to the desired speed and
case no chime appears.
the Driver Information Centre.
briefly turn thumb wheel to SET/-: the
Release the accelerator pedal and
current speed is stored as maximum
the speed limiter function is
speed. L and the speed limit is
reactivated once a speed lower than
displayedin the Driver Information
the limit speed is obtained.
Centre.
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