DRIVER SUPPORT
* Option/accessory.266
Cruise control
Cruise Control (CC10) can help the driver main-tain an even speed to provide a more relaxingdriving experience on highways and long,straight roads with even traffic flows.
Overview
Function buttons and symbols.
: Activates Cruise Control from standbymode and resumes the set speed
: Increases the set speed
: From standby mode – activatesCruise Control and sets the current speed
: From active mode – deactivates/putsCruise Control in standby mode
: Reduces the set speed
Marker for set speed
The vehicle's current speed
Set speed
NOTE
In vehicles equipped with Adaptive Cruise
Control*(ACC11), it is possible to switchbetween Cruise Control and Adaptive CruiseControl.
WARNING
The function is supplementary driver sup-port intended to facilitate driving and helpmake it safer – it cannot handle all situa-tions in all traffic, weather and road condi-tions.
The driver is advised to read all sectionsin the Owner's Manual about this functionto learn of its limitations, which the drivermust be aware of before using the func-tion.
Driver support functions are not a substi-tute for the driver's attention and judg-ment. The driver is always responsible forensuring the vehicle is driven in a safemanner, at the appropriate speed, with anappropriate distance to other vehicles,and in accordance with current trafficrules and regulations.
Using engine braking instead of
applying the brakes
Cruise Control regulates speed by lightly applyingthe brakes. On downgrades, it can sometimes bedesirable to roll a bit faster and let speed bereduced instead by engine braking alone. Thedriver can temporarily disengage the Cruise Con-trol braking function.
10Cruise Control11Adaptive Cruise Control
DRIVER SUPPORT
* Option/accessory.267
To disengage CC:
–Press the accelerator pedal about halfwaydown and then release it.
>Cruise Control will automatically disen-gage the automatic brake function andspeed will only be reduced using theengine braking function.
Related information
Driver support systems (p. 260)
Activating and starting Cruise Control(p. 267)
Deactivating and putting Cruise Control instandby mode (p. 268)
Reactivating Cruise Control from standbymode (p. 269)
Switching off Cruise Control (p. 269)
Adjusting set speed for driver support(p. 293)
Switching between Cruise Control and Adap-tive Cruise Control* (p. 277)
Activating and starting CruiseControl
The Cruise Control (CC12) function must beselected and activated in order to regulatespeed.
Putting Cruise Control in standby mode
To put Cruise Control in standby mode:
–Tap ◀ (1) or ▶ (3) and scroll to the (4) function.
>A symbol will appear and Cruise Controlcan then be activated.
Activating/starting Cruise Control
In order to start Cruise Control from standbymode, the vehicle's current speed must be
30 km/h (20 mph) or higher. The lowest speedthat can be set is 30 km/h (20 mph).
To start Cruise Control:
–With the function displayed, press
(2) on the steering wheel keypad.
>Cruise Control will be started and thevehicle's current speed will be set.
NOTE
Cruise control can then not be engaged atspeeds below 30 km/h (20 mph).
Related information
Cruise control (p. 266)
Switching off Cruise Control (p. 269)
Deactivating and putting Cruise Control instandby mode (p. 268)
Reactivating Cruise Control from standbymode (p. 269)
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Deactivating and putting CruiseControl in standby mode
Cruise Control (CC13) can be temporarily putinto standby mode and then reactivated.
To put Cruise Control in standby mode:
–Press the button on the steering wheel(2).
>The Cruise Control markings and symbolswill change from WHITE to GRAY, indicat-ing that Cruise Control is temporarilydeactivated and the driver needs to con-trol the vehicle's speed.
Standby mode due to action by the driver
Cruise Control will be temporarily deactivated andput in standby mode if:
the brakes are applied
the gear selector is moved to N
the vehicle is driven faster than the setspeed for more than 1 minute
The driver must then control the vehicle's speed.
Temporarily increasing speed using the accelera-tor pedal, e.g. when passing another vehicle, willnot affect the setting. The vehicle will return tothe set speed when the accelerator pedal isreleased.
Automatic standby mode
Cruise Control will be temporarily deactivated andput in standby mode if:
the wheels lose traction
the engine speed (rpm) is too low/high
the temperature in the brake systembecomes too high
the vehicle's speed goes below 30 km/h(20 mph).
The driver must then control the vehicle's speed.
Related information
Cruise control (p. 266)
Reactivating Cruise Control from standbymode (p. 269)
Activating and starting Cruise Control(p. 267)
Switching off Cruise Control (p. 269)
13Cruise Control
DRIVER SUPPORT
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* Option/accessory.271
Set time interval for driver support (p. 292)
Collision risk warning from driver support(p. 290)
Head-up display* (p. 140)
Activating/deactivating Distance
Alert18
Distance Alert can be turned off. The function isonly available in vehicles that can display infor-mation on the windshield with a head-up dis-play*.
Activate or deactivate the func-tion using this button in thecenter display's Function view.
GREEN button indicator light – the functionis activated.
GRAY button indicator light – the function isdeactivated.
Distance Alert is automatically activated eachtime the engine is started.
Related information
Distance Alert* (p. 270)
Distance Alert limitations (p. 271)
Distance Alert limitations19
Distance Alert functionality may be reduced incertain situations. The function is only availablein vehicles that can display information on thewindshield with a head-up display*.
WARNING
Detection ability may be affected by vehi-cle size, e.g. motorcycles, which cancause the warning light to come on at ashorter time interval than that set orcause the warning to be temporarilyabsent.
Very high speeds can cause the light tocome on at a shorter time interval thanthat set due to limitations in the range ofthe radar unit.
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DRIVER SUPPORT
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: Reduces the set speed
Increases the time interval to the vehicleahead
Reduces the time interval to the vehicleahead
Target vehicle indicator: the function hasdetected and is following a target vehicleusing the set time interval
Symbol for time interval to the vehicle ahead
Instrument panel
Speed indicators.
Set speed.
Speed of the vehicle ahead.
The current speed of your vehicle.
Related information
Adaptive Cruise Control* (p. 272)
Activating and starting Adaptive
Cruise Control*
Adaptive Cruise Control (ACC23) must first beactivated and then started before it can regulatespeed and distance.
Putting Adaptive Cruise Control in
standby mode
Adaptive Cruise Control is in standby mode eachtime the engine is started. To put ACC in standbymode from active mode:
–Press ◀ (2) or ▶ (3) on the steering wheel
keypad and scroll to the (4) function.
>The symbol will appear and AdaptiveCruise Control will go into standby mode.
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To temporarily deactivate Adaptive Cruise Controland put it in standby mode:
–Press the button on the steering wheel(2).
>The symbol in the instrument panelchanges color from WHITE to GRAY andthe set speed in the center of the speed-ometer will change from BEIGE to GRAY.
WARNING
If Adaptive Cruise Control is in standbymode, the driver must intervene and regu-late both speed and distance to the vehicleahead.
If the vehicle comes too close to a vehicleahead when Adaptive Cruise Control is instandby mode, the driver can be warned ofthe short distance by the Distance Alert*function.
Standby mode due to action by the driver
Adaptive Cruise Control will be temporarily deac-tivated and put in standby mode if:
the brakes are applied
the gear selector is moved to N
the vehicle is driven faster than the setspeed for more than 1 minute
Temporarily increasing speed using the accelera-tor pedal, e.g. when passing another vehicle, willnot affect the setting. The vehicle will return tothe set speed when the accelerator pedal isreleased.
Automatic standby mode
Adaptive Cruise Control is dependent on othersystems, such as Electronic Stability Control
(ESC25). If any of these other systems stopsworking, Adaptive Cruise Control will automati-cally switch off.
WARNING
With automatic standby mode, the driver iswarned by an acoustic signal and a messageon the instrument panel.
The driver must then regulate vehiclespeed, apply the brakes if necessary, andmaintain a safe distance to other vehicles.
Adaptive Cruise Control may go into standbymode if:
your vehicle's speed goes below 5 km/h(3 mph) and ACC cannot determine if thevehicle ahead is stationary or if it is anotherobject, e.g. a speed bump.
your vehicle's speed goes under 5 km/h(3 mph) and the vehicle ahead turns so thatACC no longer has a vehicle to follow.
the driver opens the door.
the driver unbuckles the seat belt.
the engine speed (rpm) is too low/high.
one or more of the wheels lose traction.
the brake temperature is high.
the parking brake is applied.
the camera/radar sensor is covered by snowor heavy rain (the camera lens/radar wavesare blocked).
Reactivating Adaptive Cruise Control
from standby mode
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2.Tap the Cruise Control button in the centerdisplay's Function view. The button's indica-tor will change from GRAY to GREEN.
>The symbol in the instrument panel will
change from ACC to CC, indicating that Adaptive Cruise Con-trol is off and Cruise Control is in standbymode.
3.Pressing the button on the steeringwheel keypad.
>Cruise Control will start and the vehicle'scurrent speed will be set.
WARNING
Switching from ACC to CC means that thevehicle:
will no longer maintain a preset timeinterval to the vehicle ahead.
will only follow the stored speed and thedriver must therefore apply the brakeswhen necessary.
If CC is active when the engine is turned off, ACCwill be automatically activated the next time theengine is started.
Switching from CC to ACC
To do so:
1.Press the button on the steering wheelkeypad to put Cruise Control in standbymode.
2.Tap the Cruise Control button in Functionview. The button's indicator will change fromGREEN to GRAY.
>The symbols in the instrument panel will
switch from CC to ACCto indicate that Adaptive Cruise Control isin standby mode.
3.Pressing the button on the steeringwheel keypad.
>Adaptive Cruise Control will go into activemode and set the vehicle's current speedand the selected time interval to the vehi-cle ahead.
Related information
Adaptive Cruise Control* (p. 272)
Cruise control (p. 266)
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Standby mode due to action by the driver
Pilot Assist will be temporarily deactivated andput in standby mode if:
the brakes are applied.
the gear selector is moved to N.
a turn signal is used for more than 1 minute.
the vehicle is driven faster than the setspeed for more than 1 minute.
Temporarily increasing speed using the accelera-tor pedal, e.g. when passing another vehicle, willnot affect the setting. The vehicle will return tothe set speed when the accelerator pedal isreleased.
When the turn signals are used, Pilot Assist'ssteering assistance will be temporarily deacti-vated. When the turn signal is switched off, steer-ing assistance will be automatically reactivated ifthe traffic lane's side markings can still bedetected.
Automatic standby mode
Pilot Assist is dependent on other systems, such
as Electronic Stability Control (ESC32). If any ofthese other systems stops working, Pilot Assistwill automatically switch off.
WARNING
With automatic standby mode, the driver iswarned by an acoustic signal and a messageon the instrument panel.
The driver must then regulate vehiclespeed, apply the brakes if necessary, andmaintain a safe distance to other vehicles.
Adaptive Cruise Control may go into standbymode if, e.g.:
the driver opens the door.
the brake temperature is high.
the driver's hands are not on the steeringwheel.
the parking brake is applied.
the engine speed (rpm) is too low/high.
the driver unbuckles the seat belt.
one or more of the wheels lose traction.
the camera/radar sensor is covered by snowor heavy rain (the camera lens/radar wavesare blocked).
your vehicle's speed goes under 5 km/h(3 mph) and Pilot Assist cannot determine ifthe vehicle ahead is stationary or if it isanother object, e.g. a speed bump.
your vehicle's speed goes under 5 km/h(3 mph) and the vehicle ahead turns so thatPilot Assist no longer has a vehicle to follow.
Reactivating Pilot Assist from standby
mode
Note: This illustration is general and details may varydepending on model.
To reactivate Pilot Assist:
–Press the button on the steering wheel(1).
>Speed will be set to the most recentlystored speed.
32Electronic Stability Control