DRIVER SUPPORT
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Controls
Function buttons and symbols (generic illustration)
Increases the set speed or puts ACC backinto active mode (previous settings will beresumed)
Puts ACC in active mode and stores the cur-rent speed or puts ACC in standby mode
Reduces the set speed
Increases the time interval/distance to thevehicle ahead
Reduces the time interval/distance to thevehicle ahead
Target vehicle indicator: ACC has detectedand is following a target vehicle using the settime interval
Distance/time indicator
Instrument panel
Speed indicators
Set speed
Speed of the vehicle ahead
The current speed of your vehicle
See the article "Adaptive cruise control symbolsand messages" for examples of different combi-nations of symbols, depending on the traffic sit-uation.
Collision warning
Warning light in the windshield
Adaptive Cruise Control can exert brake forcethat is equivalent to approximately 40% of thevehicle's total braking capacity.
In situations requiring more brake force thanACC can provide and if the driver does not applythe brakes, an audible signal from the City Safetysystem will sound and warning light will illuminatein the windshield to alert the driver to react.
NOTE
Strong sunlight, reflections, extreme light con-trasts, the use of sunglasses, or if the driver isnot looking straight ahead may make the vis-ual warning signal in the windshield difficult tosee.
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DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.284
WARNING
Adaptive Cruise Control only warns of vehiclesdetected by the radar sensor. In some casesthere may be no warning or the warning maybe delayed. The driver should always apply thebrakes when necessary.
Head-up-display *
A flashing light alerts the driver
A flashing icon will appear in the head-up displayto alert the driver of a collision risk.
NOTE
Strong sunlight, reflections, extreme light con-trasts, the use of sunglasses, or if the driver isnot looking straight ahead may make the vis-ual warning signal in the windshield difficult tosee.
Related information
•Starting and activating Adaptive CruiseControl (ACC)* (p. 284)
•Changing Adaptive Cruise Control (ACC)speed (p. 287)
•Setting an Adaptive Cruise Control timeinterval (p. 288)
•Changing target vehicles and automaticbraking with Adaptive Cruise Control (ACC)(p. 289)
•Switching between Cruise Control andAdaptive Cruise Control* (p. 278)
•Passing Assistance with Adaptive CruiseControl or Pilot Assist-2 (p. 289)
•Deactivating/resuming Adaptive CruiseControl (ACC) (p. 285)
•Adaptive Cruise Control (ACC) - trouble-shooting (p. 291)
•Adaptive Cruise Control (ACC) symbols andmessages (p. 293)
•Pilot Assist* (p. 295)
•Distance Alert* (p. 279)
•Head-up display (HUD)* (p. 122)
•Radar sensor limitations (p. 319)
Starting and activating Adaptive
Cruise Control (ACC)*
ACC must first be put in active mode before itcan be started in order to regulate speed or aset time interval to the vehicle ahead.
Starting ACC (putting it in standby
mode)
Function buttons and symbols
–Press ◀ (2) or ▶ (3) to scroll to the ACC
() function. The symbol (4) will be dis-played in the instrument panel.
>The symbol indicates that ACC has beenstarted and is in standby mode. Instandby mode, the vehicle will not main-tain a set speed or a time interval to thevehicle ahead.
DRIVER SUPPORT
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* Option/accessory, for more information, see Introduction.285
Activating ACC (putting it in active
mode and setting a speed)
Before ACC can be put in active mode:
•The driver's seat belt must be buckled andthe driver's door must be closed.
•There must be a vehicle ahead (a target vehi-cle) within a reasonable distance or yourvehicle's current speed must be at least9 mph (15 km/h).
–With the symbol displayed (ACC is in
standby mode), press the button (1) onthe left-side steering wheel keypad.
>This puts ACC in active mode and setsthe vehicle's current speed, which is indi-cated by digits in the center of the speed-ometer.
The time interval to the vehi-cle ahead will only be shownwhen two vehicles are dis-played.
A speed interval will also beindicated:
•The higher speed is the one set in ACC
•The lower one is the speed of the vehicleahead (the target vehicle).
Related information
•Adaptive Cruise Control (ACC)* (p. 281)
•Setting an Adaptive Cruise Control timeinterval (p. 288)
•Deactivating/resuming Adaptive CruiseControl (ACC) (p. 285)
Deactivating/resuming AdaptiveCruise Control (ACC)
ACC can be put temporarily in standby modeand then reactivated.
Function buttons and symbols
To temporarily deactivate and put Adaptive CruiseControl in standby mode:
–Press the button (2).
>The symbol in the instrument panelwill change colors from WHITE to GRAYand the set speed in the center of thespeedometer will change from BEIGE toGRAY.
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.287
•Passing Assistance with Adaptive CruiseControl or Pilot Assist-2 (p. 289)
•Adaptive Cruise Control (ACC) symbols andmessages (p. 293)
•Distance Alert* (p. 279)
Changing Adaptive Cruise Control(ACC) speed
ACC makes it possible to set various speeds.
Changing a set speed
Function buttons and symbols
–Change a set speed by pressing the (1)or — (3) buttons briefly or by pressing andholding them:
•Press briefly: changes speed in+/– 5 mph (+/– 5 km/h) increments.Each press changes the vehicle's speedby +/– 5 mph (+/– 5 km/h).
•Press and hold: changes the speed+/– 1 mph (+/– 1 km/h) at a time.Release the button when the set speedindicator (4) has moved to the desiredspeed.
If speed is increased by pressing the accelerator
pedal before the button is pressed, the vehi-cle's speed when the button is pressed willbecome the set speed assuming that the accel-erator pedal is still depressed when the button ispressed.
A temporary increase in speed, such as whenpassing another vehicle, does not affect the ACCset speed. The vehicle will return to the set speedwhen the accelerator pedal is released.
The Adaptive Cruise Control can follow anothervehicle from a standstill up to 125 mph(200 km/h). Always observe posted speed limits.
The lowest speed that can be set for ACC is20 mph (30 km/h). However, ACC can monitorand react to the speed of the vehicle ahead downto a standstill.
The highest speed that can be set/stored isapprox. 125 mph (200 km/h). Always observeposted speed limits.
Related information
•Adaptive Cruise Control (ACC)* (p. 281)
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.288
Setting an Adaptive Cruise Controltime interval
ACC makes it possible to set various time inter-vals to the vehicle ahead.
Different time intervals to thevehicle ahead can be selectedand are shown in the instru-ment panel as 1–5 horizontalbars. The greater the number ofbars, the longer the time inter-val. One bar between the vehi-cles represents a time interval of approximately1 second; 5 bars is approximately 3 seconds.
The same symbol appears if Distance Alert isactivated.
•If the symbol shows two vehicle's, ACC isactively following the vehicle ahead (a targetvehicle).
•If only one vehicle is displayed, ACC is notactively following another vehicle.
Changing a time interval
Controls for setting a time interval
Reduce the time interval
Increase the time interval
Distance/time indicator
–Press buttons (1) or (2) to reduce orincrease the time interval.
>The distance/time indicator (3) shows thecurrent time interval.
In order to follow the vehicle ahead as smoothlyas possible, ACC allows the time interval to varyconsiderably in certain situations. At low speeds,when the distance to the vehicle ahead is short,ACC increases the time interval slightly.
•If ACC does not seem to react when it is putin active mode, this may be because the set
time interval to the vehicle ahead does notallow an increase in speed.
•The higher the speed, the greater the dis-tance to the vehicle ahead for a given timeinterval.
•Only use time intervals permitted by localtraffic regulations.
WARNING
•Only use a time interval that is suitable incurrent traffic conditions.
•A short time interval gives the driver lim-ited reaction time if an unexpected situa-tion occurs in traffic.
Related information
•Adaptive Cruise Control (ACC)* (p. 281)
•Starting and activating Adaptive CruiseControl (ACC)* (p. 284)
•Deactivating/resuming Adaptive CruiseControl (ACC) (p. 285)
•Passing Assistance with Adaptive CruiseControl or Pilot Assist-2 (p. 289)
•Adaptive Cruise Control (ACC) symbols andmessages (p. 293)
•Distance Alert* (p. 279)
DRIVER SUPPORT
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Pilot Assist overview
Controls
Function buttons and symbols
Activates Pilot Assist when the vehicle iskept at a standstill by the auto-hold brakefunction
Press to activate Pilot Assist or put it instandby mode
Change from Pilot Assist to Adaptive CruiseControl (symbol (8) will also change)
Not in use
Increase the distance (time interval) to thevehicle ahead
Change from Adaptive Cruise Control to PilotAssist (symbol (8) will also change)
Reduce the distance (time interval) to thevehicle ahead
Function symbols
Symbols for the time interval and the vehicleahead
Instrument panel
Speed indication
Set speed
Speed of the vehicle ahead
Your vehicle's current speed.
Collision warning
Warning light
Pilot Assist can exert brake force that is equiva-lent to approximately 40% of the vehicle's totalbraking capacity.
In situations requiring more brake force than PilotAssist can provide and if the driver does notapply the brakes, an audible signal from the CitySafety system will sound and warning light willilluminate in the windshield to alert the driver toreact.
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DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.298
Head-up-display *
A flashing symbol alerts the driver
If the vehicle is equipped with a head-up display,a flashing symbol in the windshield will alert thedriver.
NOTE
Strong sunlight, reflections, extreme light con-trasts, the use of sunglasses, or if the driver isnot looking straight ahead may make the vis-ual warning signal in the windshield difficult tosee.
WARNING
Pilot Assist only provides warnings for vehi-cles that its radar sensor and camera havedetected. For this reason, a warning may begiven later than expected or not at all. Thedriver should never wait for a warning beforeapplying the brakes.
Related information
•Pilot Assist* (p. 295)
•Starting and activating Pilot Assist-1*(p. 298)
•Setting a Pilot Assist-1 time interval (p. 300)
•Deactivating/resuming Pilot Assist-1(p. 301)
•Automatic braking with Pilot Assist-1(p. 303)
•Pilot Assist-1 limitations (p. 304)
•Adaptive Cruise Control (ACC)* (p. 281)
•Distance Alert* (p. 279)
•Head-up display (HUD)* (p. 122)
•Radar sensor limitations (p. 319)
•Camera limitations (p. 323)
Starting and activating Pilot
Assist-1*
Pilot Assist has to be started and then activatedbefore it can provide steering assistance andregulate speed and the distance to the vehicleahead.
Function buttons and symbols
DRIVER SUPPORT
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* Option/accessory, for more information, see Introduction.301
WARNING
•Only use a time interval that is suitable incurrent traffic conditions.
•A short time interval gives the driver lim-ited reaction time if an unexpected situa-tion occurs in traffic.
Related information
•Pilot Assist* (p. 295)
•Pilot Assist-1* (p. 295)
•Starting and activating Pilot Assist-1*(p. 298)
•Deactivating/resuming Pilot Assist-1(p. 301)
•Automatic braking with Pilot Assist-1(p. 303)
•Pilot Assist-1 limitations (p. 304)
Deactivating/resuming PilotAssist-1
Pilot Assist can be temporarily deactivated, putin standby mode and then reactivated.
Putting Pilot Assist in standby mode
Function buttons and symbols (generic illustration)
1.Press the button (2).
>Pilot Assist will go into standby mode andsymbol (8) in the instrument panel willchange from WHITE to GRAY.
2.Press the ◀ button (3).
> Pilot Assist will be turned off and shift toACC in standby mode.
or
–Press the ◀ button (3).
>Pilot Assist will be turned off and switchto ACC in active mode.
Standby mode due to driver action
If a turn signal is used or if the accelerator pedalis pressed, Pilot Assist will temporarily go intostandby mode. When the turn signal is switchedoff or the accelerator pedal is released, PilotAssist will reactivate automatically.
Automatic reactivation from standby mode can bedone within 1 minute. After 1 minute haselapsed, Pilot Assist must be reactivated man-
ually by pressing the button.
Pilot Assist will temporarily go into standby modeif:
•the brakes are applied
•the gear selector is moved to the N position.
The driver will then have to regulate speed anddistance to the vehicle ahead, or reactivate Pilot
Assist manually by pressing the button onthe left-side steering wheel keypad.