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ba8_E9091_cic.book Seite 48 Mittwoch, 29. Oktober 2008 2:59 14
The glass of the mirror on the passenger side tilts slightly down. This allows the driver to see the area immediately adjacent to the vehicle, e.g. a curb, when backing into a parking space.
Deactivating Push the switch to the position for the passen- ger-side mirror, arrow 2.
Interior rearview mirror
Steering wheel
Adjustments
Do not adjust the steering wheel position while the car is in motion, otherwise there is a risk of accident due to an unexpected move- ment.<
Turn the knob to reduce glare from the head- lamps of cars behind you when driving at night.
Interior and exterior mirrors, automatic dimming feature*
1. Fold the lever down. 2. Move the steering wheel to the preferred height and angle to suit your seated posi- tion.
3. Swing the lever back up.
Do not use force to swing the lever back up, otherwise the mechanism
will be damaged.<
Steering wheel heating*
Press the button. The LED in the button lights up when the steer- ing wheel heating is switched on.
The automatic dimming feature of the interior and exterior mirrors* is controlled by two photo cells in the interior rearview mirror. One photo cell is in the mirror frame, see arrow; the other is on the back of the mirror. In order to ensure that the system functions correctly, keep the photo cells clean, do not cover the area between the interior rearview mirror and windshield, and do not affix adhesive labels or stickers of any kind to the windshield directly in front of the mirror.
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Transporting children safely
The right place for children
Do not leave children unattended in the vehicle, otherwise they could endanger themselves and/or other persons by opening the doors, for example.< The rear center seat is not suitable for installing child-restraint systems for all age groups, approved for the age group in question.
Children always in the rear Accident research has shown that the safest place for children is on the rear seat.
Children under the age of 13 or smaller than 5 ft/150 cm may be transported only
in the rear in suitable child-restraint systems appropriate for their age, weight and size. Oth- erwise there is an increased risk of injury in the event of an accident.< Children 13 years of age or older must be buck- led in with a safety belt as soon as there no longer is any child-restraint system that is appropriate for their age, size and weight.
Exception for front passenger seat
Should it be necessary to use a child- restraint system on the front passenger seat, the front and side airbags for the front pas- senger must be deactivated. Otherwise, a child traveling on that seat will face a significant risk of injury if the airbags are triggered off, even with a child-restraint system.< For more information on automatic deactivation of the front passenger airbags refer to page 88.
Installing child-restraint systems
Observe the child-restraint system man- ufacturer's instructions when selecting,
installing and using child-restraint systems. Otherwise the protective effect may be dimin- ished.<
Standard child-restraint systems are designed to be secured with a lap belt or with the lap-belt section of a lap-and-shoulder belt. Incorrectly or improperly installed child-restraint systems can increase the risk of injury to children. Always follow the installation instructions for the system with the greatest care.
On the front passenger seat
After installing a child-restraint system on the front passenger seat, make sure that the front and side airbags for the front passen- ger are deactivated, otherwise there is an increased risk of injury if the airbags deploy.<
Backrest width*
The backrest width of the front passen- ger's seat must be at its widest possible setting. Do not change the setting after install- ing the child seat. Otherwise the child seat's stability on the front passenger's seat is lim- ited.< 1. Adjust the backrest width to its widest set-
ting, refer to page 43. Install the child seat.
2.
Child seat security
The rear safety belts and the front passenger's safety belt can be prevented from being pulled out in order to fasten child-restraint systems.
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To lock the safety belt 1. Secure the child-restraint system with the
Rear seats with through-loading system
belt.
2. Pull the belt strap all the way out. 3. Allow the belt strap to retract and pull it taut
against the child-restraint system.
The safety belt is locked.
To unlock the safety belt 1. Open the belt buckle. 2. Remove the child-restraint system. 3. Allow the safety belt strap to retract all the
way.
LATCH child-restraint fixing system LATCH: Lower Anchors and Tethers for CHil- dren.
To install and use the LATCH child restraint system, follow the operating and
safety instructions provided by the manufac- turer of the system, otherwise the protective function of the seat may be compromised.< Before installing the child seat, pull the belt out of the area for the child-restraint fixing system. Ensure that both lower LATCH anchors are correctly engaged and that the child
restraint system is resting firmly against the backrest, otherwise the protective function of the seat may be compromised.<
The anchor points for the lower LATCH anchors are located behind the labeled protec- tive caps.
Rear seats without through-loading system
The anchor points for the lower LATCH anchors are located at the positions indicated by arrows, in the gap between the seat and the backrest.
Child-restraint system with tether strap
Use the top tether anchors to secure child-restraint systems only, otherwise
the anchors could be damaged.<
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Sedan
Sedan
There are three additional anchors for child- restraint systems with tether straps, see arrows.
Sports Wagon
Sports Wagon
There are three additional anchors under a cover for child-restraint systems with tether straps, see arrows.
Placement of the tether strap
Make sure the upper retaining strap does not run over sharp edges and is not
twisted as it passes to the top anchor. Other- wise the strap will not properly secure the child- restraint system in the event of an accident.<
1 Direction of travel 2 Head restraint 3 Hook for upper retaining strap 4 Anchor 5 Rear window shelf/cargo bay floor 6 Seat backrest 7 Upper retaining strap of child-restraint sys-
tem
Fold the anchors and, if necessary, the head restraints* upward before use. 1. Push the head restraint upward. 2. Guide the upper retaining strap between
the head restraint holders.
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3. Use the hook to clip the retaining strap to
the anchor.
4. Push the head restraint into its lowermost
position.
5. Pull the retaining strap taut.
On journeys
Child-safety locks for rear doors
Slide down the safety lever on the rear door: The door can now be opened from the outside only.
Safety switch for power windows Press the safety switch for the power windows, refer to page 36, if children are traveling on the rear seat.
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Driving
Ignition lock
Insert the remote control into the ignition lock
Insert the remote control all the way into the ignition lock. > Radio readiness is switched on.
Individual electrical consumers can operate.
Convenient access* If the car is equipped with convenient access, only insert the remote control into the ignition lock under special circumstances, refer to page 34.
Removing the remote control from the ignition lock
Do not forcibly pull the remote control out of the ignition lock as this may cause
damage.< Before removing the remote control, push it all the way in to release the locking mechanism. > The ignition is switched off if it was on.
Automatic transmission You cannot take out the remote control unless the selector lever is in the P position: interlock.
Start/stop button Pressing the start/stop button switches radio readiness or the ignition on or off.
Manual transmission: the engine is started when you press the start/stop
button and depress the clutch. Automatic transmission: the engine is started when you press the start/stop button and depress the brake.<
Radio readiness Individual electrical consumers can operate. The time and the outside temperature are dis- played in the instrument cluster. Radio readiness is switched off automatically: > When the remote control is removed from
the ignition lock
> In cars with convenient access*, by touch- ing the surface above the door lock, refer to Locking on page 34
Ignition on All electrical consumers can operate. The odometer and trip odometer are displayed in the instrument cluster.
When the engine is off, please switch off the ignition and any unnecessary electri-
cal consumers in order to preserve the bat- tery.<
Radio readiness and ignition off All indicator and warning lamps as well as dis- plays in the instrument cluster go out.
Starting the engine
Do not run the engine in closed rooms, otherwise the inhalation of toxic exhaust gases can cause unconsciousness and death. The exhaust gases contain carbon monoxide, an odorless and colorless, but highly toxic gas. Never leave an unattended vehicle with the engine running, otherwise such a vehicle repre- sents a potential safety hazard. Before leaving the car with the engine running,
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place the transmission in neutral or engage selector lever position P and forcefully apply the parking brake to prevent the car from moving.<
Avoid frequent starting in quick succes- sion as well as repeated start attempts in which the engine does not start. Otherwise, the fuel is not burned or incompletely burned and there is a danger of overheating and damaging the catalytic converter.< Do not wait for the engine to warm up while the vehicle remains stationary. Start driving right away, but at moderate engine speeds.
Manual transmission Remote control in the ignition lock or, with con- venient access, inside the vehicle, refer to page 34. 1. Depress the brake. 2. Depress the clutch and shift to neutral posi-
tion.
3. Press the start/stop button. The starter operates automatically for a certain time, and stops automatically as soon as the engine has started.
Automatic transmission Remote control in the ignition lock or, with con- venient access, inside the vehicle, refer to page 34. 1. Depress the brake. 2. Move the selector lever to position P. 3. Press the start/stop button. The starter operates automatically for a certain time, and stops automatically as soon as the engine has started.
Diesel engine When the engine is cold and temperatures are below approx. 327/06, the starting process may take a little more time due to automatic preheating. The preheating indicator lamp in the instrument cluster comes on; at the same time a message appears on the Control Display.
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Switching off the engine
Always take the remote control with you when you leave the vehicle.
When parking, apply the parking brake force- fully, otherwise the vehicle could begin to roll.<
Manual transmission 1. With the car at a standstill, press the start/
stop button.
2. Shift into first gear or reverse. 3. Forcefully apply the parking brake. 4. Removing the remote control from the igni-
tion lock, refer to page 53.
Automatic transmission 1. With the car at a standstill, move the selec-
tor lever to position P.
2. Press the start/stop button. 3. Forcefully apply the parking brake. 4. Removing the remote control from the igni-
tion lock, refer to page 53.
Parking brake The parking brake is primarily intended to pre- vent the vehicle from rolling while parked; it brakes the rear wheels.
Indicator lamp
The indicator lamp is lit, and when you drive off an acoustic signal sounds in addition. The parking brake is still
Indicator lamp for Canadian models.
applied.
Applying The lever locks in position automatically.
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Releasing
Pull slightly upwards, press the button and lower the lever.
In exceptional cases, if the parking brake has to be used to slow or stop the car, do not pull the lever up too hard. In doing so, con- tinuously press the button of the parking brake lever. Otherwise, excessive force on the parking brake can lock up the rear wheels and cause the rear of the car to swerve.<
To prevent corrosion and one-sided brak- ing action, occasionally apply the parking brake lightly when the vehicle is slowly coming to a stop if the traffic conditions are suitable. The brake lamps do not light up when the park- ing brake is applied.<
Manual transmission
Reverse gear Select this only when the vehicle is stationary. When the gearshift lever is pressed to the left, a slight resistance has to be overcome.
Automatic transmission with Steptronic* In addition to fully automatic operation, you can also manually shift with the Steptronic, refer to page 56.
Vehicle parking
To prevent the vehicle from rolling, always select position P and apply the parking brake before leaving the vehicle with the engine running.<
Disengaging the remote control In order to remove the remote control from the ignition lock, you must first move the selector lever to position P and switch off the engine: interlock. Removing the remote control from the ignition lock, refer to page 53.
Selector lever positions P R N D M/S + –
Displays in the instrument cluster
When shifting into 5th or 6th gear, press the gearshift lever to the right. Otherwise
the engine could be damaged if you inadvert- ently shift into 3rd or 4th gear.<
P R N D DS M1 to M6
The selector lever position is displayed, or the current gear in the manual mode.55
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Changing selector lever positions > With the ignition switched on or the engine
running, the selector lever can be moved out of position P: interlock.
> Before moving the lever away from P or N with the vehicle stationary, first depress the brake; otherwise the selector lever will refuse to move: shiftlock.
To prevent the vehicle from creeping after you select a driving position, depress the brake until you are ready to start.<
Kick-down Kick-down enables you to achieve maximum performance. Press the accelerator pedal beyond the full- throttle resistance point.
Sport program and manual operation M/S
Move selector lever from position D toward the left into the M/S shifting slot: The sport program is activated and DS is dis- played in the instrument cluster. This position is recommended for a performance-oriented driv- ing style. To use the automatic mode again, move the selector lever to the right into position D.
Shifting gears via the selector lever When you press the selector lever forwards or backwards, the manual mode is activated and Steptronic changes gear. M1 through M6 are displayed in the instrument cluster. Upshifts and downshifts are executed only when they will result in a plausible combination of engine and vehicle speed; thus, for example, a downshift that would cause the engine to overrev will not be executed by the system. The gear selected is briefly displayed in the instru- ment cluster, followed by the gear actually in use.
Shifting gears via shift paddles* on the steering wheel The shift paddles allow you to shift gears quickly since both hands can remain on the steering wheel.
A lock prevents you from inadvertently engag- ing selector lever positions R and P. To cancel the lock, press the button on the front of the selector lever, see arrow.
P Park Select this only when the vehicle is stationary. The rear wheels are locked.
R Reverse Select this only when the vehicle is stationary.
N Neutral You can select this in a car wash, for example. The vehicle can roll.
D Drive, automatic position Position for normal vehicle operation. All for- ward gears are selected automatically. Under normal operating conditions, fuel con- sumption is lowest when you are driving in posi- tion D.
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> When you use the shift paddles on the
steering wheel to shift gears in automatic mode, the transmission switches to manual mode.
> If you do not accelerate or shift gears using
the shift paddles for a certain amount of time, the transmission switches back to automatic mode.
If the selector lever is in the M/S gear plane, manual mode remains active.<
> To shift up: pull one of the shift paddles. > To shift down: press one of the shift pad-
dles.
Upshifts and downshifts are executed only when they will result in a plausible combination of engine and vehicle speed; thus, for example, a downshift that would cause the engine to overrev will not be executed by the system. The gear selected is briefly displayed in the instru- ment cluster, followed by the gear actually in use.
Overriding selector lever lock Should the selector lever refuse to move out of position P although the button on the selector lever is pressed, the selector lever lock can be overridden: 1. Unclip the sleeve of the selector lever. 2. Pull the sleeve up over the selector lever
until the sleeve is inside out.
3. Using the screwdriver from the onboard tool kit, refer to page 222, press the red lever while moving the selector lever to the desired position.
Turn signals/ headlamp flasher
1 High beams 2 Headlamp flasher 3 Turn signals
Using turn signals Press the lever beyond the resistance point. To turn off manually, press the lever to the resistance point.
Unusually rapid flashing of the indicator lamp indicates that a turn signal indicator
has failed.<
Indicating a turn briefly Press the lever as far as the resistance point for as long as you wish to indicate a turn.
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Triple turn signal activation Press the lever as far as the resistance point. The turn signals flash three times. You can activate or deactivate this function. iDrive, for operating principle refer to page 16. 1. "Settings" 2. "Lighting" 3. "Triple turn signal"
Triple turn signal activation is activated and is stored for the remote control currently in use.
Wiper system
1 Switching on wipers 2 Switching off wipers or brief wipe 3 Activating/deactivating intermittent wipe or
rain sensor*
4 Cleaning windshield and headlamps* 5 Setting speed for intermittent wipe, or sen-
sitivity of the rain sensor
Switching on wipers Press the lever upward, arrow 1. The lever automatically returns to its initial posi- tion when released.
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Normal wiper speed Press once. The system switches to operation in the inter- mittent mode when the vehicle is stationary.
Fast wiper speed Press twice or press beyond the resistance point. The system switches to normal speed when the vehicle is stationary.
Intermittent wipe or rain sensor* If the car is not equipped with a rain sensor, the intermittent-wipe time is a preset. If the car is equipped with a rain sensor, the time between wipes is controlled automatically and depends on the intensity of the rainfall. The rain sensor is mounted on the windshield, directly in front of the interior rearview mirror.
Activating intermittent wipe or rain sensor Press the button, arrow 3. The LED in the but- ton lights up.
Setting speed for intermittent wipe or sensitivity of the rain sensor Turn knurled wheel 5 up or down.
Deactivating intermittent wipe or rain sensor Press the button again, arrow 3. The LED goes out.
Deactivate the rain sensor before enter- ing an automatic car wash. Failure to do so could result in damage caused by undesired wiper activation.<
Cleaning windshield and headlamps* Pull the lever, arrow 4. Washer fluid is sprayed onto the windshield and the wipers are operated for a short time. When the vehicle lighting system is switched on, the headlamps are cleaned at regular and appropriate intervals.
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Do not use the washers if there is any danger that the fluid will freeze on the
windshield. If you do, your vision could be obscured. Antifreeze should therefore be added to the fluid, refer to Washer fluid. Do not use the washers when the washer fluid reservoir is empty, otherwise you will damage the washer pump.<
Windshield washer nozzles The windshield washer nozzles are heated automatically while the engine is running or the ignition is switched on*.
Sports Wagon: rear window wiper 1 Intermittent operation. When reverse gear is engaged, the system switches to contin- uous operation.
2 Cleaning the rear window The rear window wiper does not move if the lever is in position 1 before the ignition is switched on. To switch on the rear window wiper: 1. Move the lever to its home position. 2. Reselect the desired position.
Do not use the washers when the washer fluid reservoir is empty, otherwise you will
damage the washer pump.<
Washer fluid
Washer fluid antifreeze is flammable. Therefore, keep it away from ignition
sources and only store it in the closed original container that is kept out of reach of children, otherwise there is a risk of personal injury. Comply with the instructions on the con- tainer.<
Washer fluid filler neck
Only refill washer fluid when the engine is cool to avoid contact with hot engine parts. Otherwise, fluid spills constitute a fire hazard and a risk to personal safety.<
All washer nozzles are supplied with washer fluid by the same reservoir. Fill with water and, if required, with a washer antifreeze, according to manufacturer's recom- mendations.
Mix the water and antifreeze before filling the washer fluid reservoir to make sure
the correct concentration is maintained.<
Capacity Approx. 6.3 US quarts/6 liters.
Cruise control*
The concept Cruise control is available for use at speeds of approx. 20 mph or 30 km/h. The car then stores and maintains the speed that you specify using the lever on the steering column. In order to maintain the specified speed, the system brakes the vehicle when the engine braking effect is insufficient on downhill gradients.
Do not use cruise control when driving at constant speed is prevented by adverse conditions, e.g. winding roads, dense traffic or poor road conditions due to, e.g. snow, rain, ice or loose surfaces. Otherwise you could lose control of the vehicle and cause an accident as a result.<
Manual transmission You can shift gears while cruise control is acti- vated. An indicator lamp notifies you that you should shift gears when you drive for an extended period at very high or very low engine speeds, or the system is deactivated.
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One lever for all functions
1 Storing and maintaining speed or accelerat-
ing
2 Storing and maintaining speed or deceler-
ating
3 Deactivating cruise control 4 Resuming a speed stored beforehand
Maintaining current speed Tap the lever, arrow 1, or pull it briefly, arrow 2. The car's current speed is stored and main- tained. It is displayed on the speedometer and briefly in the instrument cluster. On uphill gradients, it may prove impossible to maintain the set speed if current engine power output is insufficient. If the engine braking effect is insufficient on downhill slopes, the sys- tem will brake the vehicle slightly.
Increasing desired speed Repeatedly press the lever to the resistance point or beyond, arrow 1, until the desired speed is reached. > Each time the lever is pressed to the resis- tance point, the desired speed is increased by approx. 1 mph or 1 km/h.
> Each time the lever is pressed beyond the
resistance point, the desired speed is increased by up to 5 mph or 10 km/h.
The system stores and maintains the speed.
Accelerating using the lever Accelerating slightly: Press the lever to the resistance point, arrow 1, until the desired speed is reached. Accelerating significantly:
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Press the lever beyond the resistance point, arrow 1, until the desired speed is reached. The vehicle accelerates without pressure on the accelerator pedal. The system stores and maintains the speed.
Decreasing speed Repeatedly pull the lever to the resistance point or beyond, arrow 2, until the desired speed is displayed. > Each time the lever is pulled to the resis-
tance point, the desired speed is decreased by approx. 1 mph or 1 km/h.
> Each time the lever is pulled beyond the
resistance point, the desired speed is reduced by up to 5 mph or 10 km/h until the minimum speed of 20 mph or 30 km/h is achieved.
The system stores and maintains the speed.
Deactivating cruise control Tap the lever upwards or downwards, arrow 3. The displays on the speedometer disappear. In addition, the system is automatically deacti- vated: > When you brake the vehicle > When you switch gears very slowly or shift
to neutral in cars with a manual transmis- sion
> When you engage selector lever position N
in cars with an automatic transmission
> When you activate DTC or deactivate DSC > When DSC or ABS is intervening Cruise control is not deactivated by depressing the accelerator pedal. Once the accelerator pedal is released, the stored speed is achieved again and maintained.
Warning lamp
The warning lamp comes on when cruise control has been deactivated by applying the parking brake or as a result of DSC intervention. A message appears on the Control Display.
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Resuming a speed stored beforehand Press the button, arrow 4. The last stored speed is resumed and maintained. In the following instances, the stored speed is deleted and can no longer be resumed: > When driving stability control systems are
intervening
> In cars with a manual transmission: when
you switch gears very slowly or shift to neu- tral
> In cars with an automatic transmission:
when you engage selector lever position N
> When the ignition is switched off
Displays in the instrument cluster
1 Stored speed 2 Selected speed is displayed briefly
If --- mph or --- km/h temporarily appears in the instrument cluster display, it is pos- sible that the system prerequisites for operation are currently not met. Calling up Check Control messages, refer to page 76.<
Malfunction
The warning lamp comes on when the system has failed. A message appears on the Control Display. You can find more information starting on page 75.
Active cruise control*
The concept With active cruise control, you can select a desired speed which is not only automatically
maintained when driving on open roadways, but also varied to maintain a selected distance set- ting as slower traffic is encountered. Active cruise control is a technological advance over the familiar cruise control and is a welcome relief from the constant adjustment of speed that can accompany driving in traffic on high- ways or other high-speed thoroughfares. Espe- cially on longer trips, the system can reduce fatigue and tension, while increasing your enjoyment of driving. Please use it safely and responsibly. Within the limits of its capability, the system automatically adapts the car's speed to that of a slower vehicle in front of you. You can specify the distance to be maintained from the vehicle in front in four stages. For safety reasons, the distance is speed-dependent. Based on your selected distance setting, the system automat- ically decreases the throttle setting and lightly applies the brakes if necessary. The vehicle brake lamps will automatically illuminate to sig- nal a following driver to take action. In addition, it may be necessary for the vehicle or the driver to downshift, depending on the kind of trans- mission your vehicle is equipped with, to main- tain the distance setting selected. If the vehicle ahead speeds up or when the lane ahead becomes clear, your vehicle will accelerate to the speed you have selected by increasing the throttle setting and shifting gears automatically or by the driver as needed. Your selected speed will be held when driving downhill, too. Since this active cruise control system is a new technology and operates differently from con- ventional cruise control systems which you may be accustomed to, you are strongly urged to read all of the pages relating to this system before use. Pay special attention to the System limitations section beginning on page 65.
Braking sensation > If you step on the brake pedal while the sys-
tem is braking, pedal sensation will be slightly different from the usual.
> Possible noises during automatic braking
are normal.
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Manual transmission You can shift gears while cruise control is acti- vated. An indicator lamp notifies you that you should shift gears when you drive for an extended period at very high or very low engine speeds, or the system is deactivated.
One lever for all functions
Range of applications The minimum desired speed is 20 mph or 30 km/h, the maximum desired speed is 110 mph or 180 km/h.
As with conventional cruise control sys- tems, active cruise control in no way
diminishes or substitutes for the driver’s own personal responsibility, alertness and aware- ness in adjusting speed, braking or otherwise controlling the vehicle. The driver should decide when to use the system on the basis of road, traffic, visibility, and weather conditions. Active cruise control is intended for use on highway-type roadways where traffic is moving relatively smoothly. Do not use this system in city driving; heavy traffic such as during rush hour; on curvy, winding roads, slippery roads or roads with sharp curves such as highway off- ramps; during inclement weather such as snow, strong rain or fog; or when entering inter- changes, service/parking areas or toll booths. It is also important to regulate your vehicle's speed and distance setting within applicable legal limits. Always be ready to take action or apply the brakes if necessary, especially when the system is actively following a vehicle in front of you. Otherwise driving situations could result that pose the risk of accidents.<
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1 Store and increase desired speed 2 Store and decrease desired speed 3 Deactivate system, refer to page 63
4 Resume stored desired speed and dis-tance, refer to page 64
5 Select distance to vehicle driving ahead,
refer to page 63
Storing current speed Briefly press the lever, arrow 1, or briefly pull it, arrow 2, at a driving speed of more than approx. 20 mph or 30 km/h.
The car's current speed is stored. It is displayed on the speedometer and briefly in the instru- ment cluster.
Increasing desired speed Press or tap the lever to the resistance point or beyond, arrow 1, until the desired speed is dis- played. > Each time the lever is tapped to the resis-
tance point, the desired speed is increased by approx. 1 mph or 1 km/h.
> Each time the lever is tapped beyond the
resistance point, the desired speed is increased by up to 5 mph or 10 km/h until
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the maximum speed of 110 mph or 180 km/h is achieved.
The speed then displayed is stored and achieved on a clear road.
Decreasing desired speed Pull the lever, arrow 2, until the desired speed is displayed. The other functions work analogously to those described under Increasing desired speed.
Selecting distance
> Press downward: Increase distance.
> Press upward:
Decrease distance.
The selected distance is displayed in the instru- ment cluster.
Distance 1
Distance 2
Distance 3
Distance 4 This distance is always set when the system is used for the first time after starting the engine.
Use good judgment to select the appro- priate following distance given road con- ditions, traffic, applicable laws and driving rec- ommendations for safe following distance. Otherwise, an accident risk could result.<
Deactivating cruise control
Press the lever upward or downward, arrow 3. The displays on the speedometer disappear. In addition, the system is automatically deacti- vated: > When you brake the vehicle > When the speed is reduced to below
20 mph or 30 km/h due to a traffic situation > When you switch gears very slowly or shift
to neutral in cars with a manual transmis- sion
> When you engage selector lever position N
in cars with an automatic transmission
> When you activate the DTC Dynamic Trac-
tion Control
> When you deactivate the DSC Dynamic
Stability Control
> When DSC or ABS is intervening > When the system does not recognize any objects for a longer period of time, e.g. on infrequently traveled roads without a shoul- der or guard rails, or if the radar sensor is covered with dirt, refer to page 64
> When you apply the parking brakeWhen the system is deactivated, you must brake the vehicle yourself and/or maneuver as necessary, otherwise there is a risk of accident.<
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Warning lamp
The warning lamp comes on when active cruise control has been auto- matically deactivated due to a driving speed below 20 mph or 30 km/h, an application of the parking brake or a DSC intervention. A message appears on the Control Display.
Resuming stored desired speed and distance Briefly press the button, arrow 4. The stored speed and distance are regained and maintained. In the following instances, the stored speed is deleted and can no longer be resumed: > When driving stability control systems are
intervening
> In cars with a manual transmission: when
you switch gears very slowly or shift to neu- tral
> In cars with an automatic transmission:
when you engage selector lever position N
> When the ignition is switched off
Displays in the instrument cluster
4 Selected desired speed is temporarily dis-
played
If --- mph or --- km/h temporarily appears in the instrument cluster display, it is pos- sible that the system prerequisites for operation are currently not met. Calling up Check Control messages, refer to page 76.<
Warning lamps
The indicator 2 flashes in red; a signal sounds. The system indicates that you must brake and/or maneuver the vehicle yourself. Active cruise con- trol cannot automatically restore the distance to the vehicle ahead. This indicator does not release you from your responsibility to adapt your desired speed and driving style to prevailing driving conditions.
The indicator 2 flashes in yellow. The prerequisites for operating active cruise control are not met, e.g. as a result of ABS or DSC interventions. Active cruise control is deactivated. You can reactivate the system, if desired, by tapping or pulling the lever when road and traffic conditions permit. It is not pos- sible to resume a stored speed.
Radar sensor
1 Stored desired speed 2 Shows yellow: vehicle detected ahead
Flashes in red: system cannot maintain dis- tance; driver must brake the vehicle Flashes in yellow: driving stability control systems are intervening; cruise control is deactivated
3 Selected distance to vehicle ahead
The indicator lights up as soon as the sys- tem is activated.
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The sensor's ability to detect vehicles ahead may be restricted as a result of heavy rain, dirt, snow or ice. If necessary, clean the radar sensor located in the front bumper, see arrow. Be sure to use particular care when removing any layers of snow or ice from the sensor.
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When the radar sensor is not properly posi- tioned, active cruise control cannot be activated at all.
Malfunction
The warning lamp comes on when the system has failed. A message appears on the Control Display. You can find more information starting on page 75.
System limitations
Always remember that the range and abil- ity of the system does have physical limi- tations. It will not apply the brakes or decelerate your vehicle when there is a slow-moving vehi- cle, stopped vehicle or stationary object ahead of you, as for example, at a traffic light or a parked vehicle. Also, the system does not react to oncoming traffic, pedestrians or other types of potential traffic such as a rider on horseback. It is also possible that the system may not detect smaller moving objects such as motor- cycles or bicycles. Be especially alert when encountering any of these situations as the sys- tem will neither automatically brake, nor provide a warning to you. Also, be aware that every decrease in the distance setting allows your vehicle to come closer to a vehicle in front of you and requires a heightened amount of alert- ness.<
Active cruise control is not and must not be used as a collision avoidance/warning
system.< If while your vehicle is actively following a vehi- cle in front of you and the vehicle ahead speeds up or the lane ahead becomes clear, then your vehicle will accelerate to the speed you have selected. Be aware that changing to a clear, unobstructed lane will also result in your vehicle accelerating.
Be certain to deactivate the system when you pull into an exit lane for a highway off-
ramp.< Also, vehicles traveling in a staggered manner on a highway may cause a delay in the system's reaction to a vehicle in front of you or may cause the system to react to a vehicle actually in the lane next to you. Always be ready to take action or apply the brakes if necessary.
While active cruise control is capable of braking your vehicle automatically when
you approach a slower vehicle ahead, it is important to be aware that the ability of the sys- tem to apply the brakes is also limited, e.g. when you reduce your desired speed sharply. The system cannot stop your vehicle. It uses only a portion of braking system capacity and does not utilize the full capacity of the vehicle braking system. Therefore, the system cannot decrease your speed for large differences in speed between your vehicle and the vehicle ahead. Examples: when you approach a vehicle traveling at a much lower speed than your own speed such as approaching a toll booth or when a much slower vehicle cuts in front of you at close range.< Active cruise control can only decelerate the vehicle to approx. 20 mph or 30 km/h.
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