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Comfort tuning In comfort mode, the driving characteristics of your vehicle are more comfortable. Select this mode if you prefer a more comfortable
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Comfort mode In comfort mode, the driving characteristics of your vehicle are more comfortable. Select this mode if you prefer a more comfortable driving style, but also when driving fast on straight roads, e.g. highways. X Press button : repeatedly until indicator
lamps = and ? go out. Comfort suspension mode has been selected. The AMG Suspension System COMFORT message appears in the multifunction display.
Storing and calling up settings Once the suspension tuning and drive program have been selected, you can store and call up your settings using AMG button ;. X To store: press AMG button ; until you
hear a tone.
X To call up: press AMG button ;.
The stored suspension tuning and drive program are selected.
X To display: briefly press AMG button ;. Your selection appears in the multifunction display.
4MATIC (permanent four-wheel drive) 4MATIC ensures that all four wheels are permanently driven. Together with ESP®, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip.
Sport mode The firmer suspension tuning in Sport mode ensures even better contact with the road. Select this mode when employing a sporty driving style, e.g. on winding country roads. X Press button : once.
Indicator lamp ? lights up. Sport suspension mode has been selected. The AMG Suspension System SPORT message appears in the multifunction display.
Sport + mode The very firm setting of the suspension tuning in Sport + mode ensures the best possible contact with the road. Select this mode only when driving on race circuits. If indicator lamps = and ? are off: X Press button : twice.
Both indicator lamps = and ? light up. Sport + suspension mode has been selected. The AMG Suspension System SPORT + message appears in the multifunction display.
If indicator lamp ? lights up: X Press button : once.
Second indicator lamp = lights up. Sport + suspension mode has been selected. The AMG Suspension System SPORT + message appears in the multifunction display.
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PARKTRONIC is an electronic parking aid with ultrasonic sensors. It indicates visually and audibly the distance between your vehicle and an object. PARKTRONIC is activated automatically when you: Rswitch on the ignition. Rshift the transmission to position D, R or
N.
Rrelease the parking brake. PARKTRONIC is deactivated at speeds above 11 mph (18 km/h). It is reactivated at lower speeds. PARKTRONIC monitors the area around your vehicle using six sensors in the front bumper and four sensors in the rear bumper.
: Sensors in the front bumper, left-hand
side (example)
Range of the sensors The sensors must be free of dirt, ice and slush; otherwise they may not function correctly. Clean the sensors regularly, taking care not to scratch or damage them (Y page 317).
G Warning! If a drive wheel is spinning due to insufficient traction: RWhile driving off, apply as little throttle as
possible.
RWhile driving, ease up on the accelerator
pedal.
RAdapt your speed and driving style to the
prevailing road conditions.
Failure to observe these guidelines could cause the vehicle to skid. The 4MATIC cannot prevent accidents resulting from excessive speed.
! Never tow the vehicle with one axle
raised. This may damage the transfer case. Damage of this sort is not covered by the Mercedes-Benz Limited Warranty. All wheels must remain either on the ground or be fully raised. Observe the instructions for towing the vehicle with all wheels in full contact with the ground.
i In wintry driving conditions, the maximum
effect of 4MATIC can only be achieved if you use winter tires (M+S tires), with snow chains if necessary.
PARKTRONIC Important safety notes G Warning! The PARKTRONIC is a supplemental system. It is not intended to, nor does it replace, the need for extreme care. The responsibility during parking and other critical maneuvers always remains with the driver. G Warning! Make sure no persons or animals are in or near the area in which you are parking/ maneuvering. Otherwise, they could be injured.
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Minimum distance Center Corners
Approx. 8 in (20 cm) Approx. 6 in (15 cm)
If there is an obstacle within this range, all warning displays light up and a warning tone sounds. If the distance falls below the minimum, the distance may no longer be shown.
Warning displays The warning displays show the distance between the sensors and the obstacle. The warning display for the front area is located on the dashboard above the center air vents. The warning display for the rear area is located on the headliner in the rear compartment.
Warning display for the front area : Segments on the left-hand side of the
vehicle
; Segments on the right-hand side of the
vehicle
= Segments showing operational readiness The warning display for each side of the vehicle is divided into five yellow and two red segments. PARKTRONIC is operational if yellow segments showing operational readiness = light up. The selected transmission position determines which warning display is active when the engine is running.
Side view, Sedan (example)
Top view, Sedan (example) Front sensors Center Corners
Approx. 40 in (100 cm) Approx. 24 in (60 cm)
Rear sensors Center Corners
Approx. 48 in (120 cm) Approx. 32 in (80 cm)
! When parking, pay particular attention to objects above or below the sensors, such as flower pots or trailer drawbars. PARKTRONIC does not detect such objects when they are in the immediate vicinity of the vehicle. You could damage the vehicle or the objects. Ultrasonic sources such as an automatic car wash, a truck's compressed-air brakes or a pneumatic drill could cause PARKTRONIC to malfunction.
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Transmission position R or N
Warning display
Front area activated Rear and front areas activated No areas activated
One or more segments light up as the vehicle approaches an obstacle, depending on the vehicle's distance from the obstacle. From the: Rsixth segment onwards, you will hear an
intermittent warning tone for approximately two seconds.
Rseventh segment onwards, you will hear a
warning tone for approximately two seconds. This indicates that you have now reached the minimum distance.
Deactivating/activating PARKTRONIC
: To deactivate/activate PARKTRONIC ; Indicator lamp If indicator lamp ; lights up, PARKTRONIC is deactivated. i PARKTRONIC is automatically activated when you turn the SmartKey to position 2
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Problems with PARKTRONIC
Problem Only the red segments in the PARKTRONIC warning displays are lit. You also hear a warning tone for approximately two seconds. PARKTRONIC is deactivated after approximately 20 seconds, and the indicator lamp in the PARKTRONIC button lights up.
Only the red segments in the PARKTRONIC warning displays are lit. PARKTRONIC is deactivated after approximately 20
seconds.Possible causes/consequences and M Solutions PARKTRONIC has malfunctioned and has switched off. X If problems persist, have PARKTRONIC checked at a qualified
specialist workshop.
The PARKTRONIC sensors are dirty or there is interference. X Clean the PARKTRONIC sensors (Y page 317). X Switch the ignition back on. The problem may be caused by an external source of radio or ultrasound waves. X See if PARKTRONIC functions in a different location.
Parking Guidance Important safety notes Parking Guidance is an electronic parking aid with ultrasound. Ultrasound is used to measure the road on both sides of the vehicle. A suitable parking space is indicated by the parking symbol. You receive steering instructions when parking. You may also use PARKTRONIC (Y page 194). G Warning Parking Guidance is merely an aid and may display parking spaces that are not suitable for parking, for example: Rno-parking areas Rparking spaces with unsuitable surfaces
(road surface)
Rdriveways Rentrances and exits Parking Guidance detects and measures potential parking spaces while driving past. Changes to the parking space after this point are not taken into account, for example if the vehicle in front of or behind the parking space changes position or objects in the parking space are moved. Even when using Parking Guidance, you are still responsible for driving carefully. If you rely on Parking Guidance alone, you could cause an accident and injure yourself and others. Safety always remains your responsibility and you must continue paying careful attention to your immediate surroundings when parking and maneuvering.
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G Warning! The system cannot detect objects located above the area that the sensors scan. These objects, e.g. protruding load, overhang, or truck tail lifts, will be ignored when computing the parking procedure. The Parking Guidance might therefore provide untimely steering instructions. This could cause a collision. Thus, do not use the Parking Guidance in such situations. G Warning! Make sure no persons or animals are in the area in which you are maneuvering. You could otherwise injure them.
! Pay particular attention to low objects or
objects with flat surfaces, such as trailer drawbars, posts, cross beams and curbs. These types of objects cannot be detected by Parking Guidance and may damage the vehicle.
When PARKTRONIC is deactivated, Parking Guidance is also unavailable. Use Parking Guidance for parking spaces: Rthat are parallel to the direction of travel Rthat are on straight roads, not bends Rthat are on the same level as the road, i.e. not on the pavement, for example. Parking Guidance may not detect flat curbs
Parking tips: ROn narrow roads, drive as close to the
parking space as possible.
RParking spaces that are littered, overgrown
or partially occupied by trailer drawbars might be identified incorrectly or not at all. RSnowfall or heavy rain may lead to a parking
space being measured inaccurately.
RPay attention to the PARKTRONIC warning
messages during the parking procedure (Y page 195).
RWhen transporting a load which protrudes from your vehicle, you must not use Parking Guidance.
RNever use Parking Guidance with snow
chains or an emergency spare wheel installed.
RMake sure that the tire pressures are
always correct. This has a direct effect on the steering instructions.
RThe way your vehicle is positioned in the parking space after parking is dependent on various factors. These include the position and shape of the vehicles parked in front and behind it and the conditions of the location. In some cases, Parking Guidance may guide you too far or not far enough into a parking space. In some cases, it may also lead you across or onto the curb. If necessary, cancel the parking procedure with Parking Guidance.
! If unavoidable, you should drive over
obstacles such as curbs slowly and not at a sharp angle. Otherwise, you may damage the wheels or tires.
Detecting a parking space
Example : Detected parking space on the left ; Parking symbol = Detected parking space on the right Parking Guidance is automatically activated when you drive forwards. The system is operational at speeds of up to approximately 22 mph (35 km/h). While in operation, the system independently locates and measures parking spaces on both sides of the vehicle. When driving at speeds below 19 mph (30 km/h), you will see parking symbol ; as a status indicator in the instrument cluster. When a parking space has been detected, an arrow towards the right = or the left : also
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appears. Parking Guidance only displays parking spaces on the front-passenger side as standard. Parking spaces on the driver's side are displayed as soon as the turn signal on the driver's side is activated. To park on the driver's side, you must leave the driver's side turn signal switched on until you have engaged reverse gear. Parking Guidance will only detect parking spaces: Rthat are parallel to the direction of travel Rthat are at least 5 ft (1.5 m) wide Rthat are at least 4.3 ft (1.3 m) longer than
your vehicle.
A parking space is displayed while you are driving past it, and until you are approximately 50 ft (15 m) away from it.
Parking G Warning! The Parking Guidance is only an aid and may not detect all obstacles. The Parking Guidance does not relieve you of the responsibility to pay attention. You are always responsible for safety and must continue to pay attention to your immediate surroundings when parking and maneuvering. Otherwise, you could endanger yourself and others.
X Stop the vehicle when the parking space
symbol shows the desired parking space in the instrument cluster.
X Shift the transmission to position R. The multifunction display shows the Check Vehicle Surroundings Press 'OK' to Confirm message. X Press a on the multifunction steering
wheel to confirm. The multifunction display switches to Parking Guidance. Depending on your distance from the parking space, the Please Drive Backward message will appear in the multifunction display.
X If necessary, reverse towards the parking
space. This is indicated by an arrow pointing backwards. Continue backing up until you hear a tone. Stop – the parking position has been reached. The arrow is white. The Please Steer Wheel to the Right or Please Steer Wheel to the Left message appears in the multifunction display.
X While the vehicle is stationary, turn the steering wheel in the specified direction until the arrow is white and a warning tone sounds.
X To reverse into the parking space: maintain the steering wheel angle and reverse carefully.
X Stop as soon as you hear an acoustic
signal. The vehicle has reached the position in which you need to countersteer. The Please Steer Wheel to the Left or Please Steer Wheel to the Right message appears in the multifunction display.
X Countersteering: while the vehicle is
stationary, turn the steering wheel in the specified direction until the arrow is white and a warning tone sounds.
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X To reverse into the parking space: maintain the steering wheel angle and reverse carefully.
X Stop as soon as you hear an acoustic
signal, at the latest when PARKTRONIC sounds the continuous warning tone. The Parking Guidance Finished message appears in the multifunction display and a tone sounds. You may be asked to steer in a different direction and then change gear. In this case, further displays in the multifunction display will direct you to the final position.
X Maneuver if necessary. X Always observe the warning messages
displayed by PARKTRONIC (Y page 195).
Canceling Parking Guidance X Press the PARKTRONIC button on the
center console (Y page 196). Parking Guidance is canceled immediately and PARKTRONIC is deactivated.
Parking Guidance is canceled automatically if it is no longer possible to guide you into the parking space or if a malfunction occurs. The parking space symbol disappears and the Parking Guidance canceled message appears in the multifunction display.
Rear view camera Important safety notes The rear view camera is an optical parking aid. It shows the area behind your vehicle in the COMAND display. G Warning! Make sure no persons or animals are in or near the area in which you are parking/ maneuvering. Otherwise, they could be injured.
The rear view camera is located in the handle strip of the trunk lid/tailgate.
Sedan (example) : Rear view camera
View through the camera The area behind the vehicle is displayed as a mirror image, as in the rear-view mirror. G Warning The rear view camera is only an aid and the obstacle display may: Rshow a distorted perspective Rbe inaccurate Rnot show obstacles at all The rear view camera does not mean that you are no longer responsible for driving carefully. Be careful and be particularly alert. The rear view camera may not show objects that are: Rvery close to the rear bumper Runderneath the rear bumper Rabove the trunk handle/tailgate handle Safety always remains your responsibility, and you must continue paying careful attention to your immediate surroundings when parking and maneuvering. This includes the area behind, in front of and beside the vehicle. You could otherwise endanger yourself or others. G Warning The rear view camera does not work or does not work properly: Rif the trunk lid/tailgate is open Rin very heavy rain, snow or fog
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Rat night, or if you are parking/maneuvering
your vehicle in a very dark area
Rif very bright white light is shining on the
camera
Rif the surrounding area is lit by fluorescent
light (the COMAND system display may flicker)
Rif the temperature changes suddenly, for example if you drive into a heated garage after being in the cold (condensation on the lens)
Rif the camera lens is dirty or covered Rif the rear of your vehicle is damaged
In this case, have the camera position and setting checked at a qualified specialist workshop. Mercedes-Benz recommends that you use an authorized Mercedes-Benz Center for this purpose.
Do not use the rear view camera in these types of situation. Otherwise, you could injure yourself and others and/or cause damage, even to your own vehicle, when parking/ maneuvering.
Activating the rear view camera X Make sure that the SmartKey is in
position 2 in the ignition lock.
X Make sure that the "rear view camera"
function is selected in COMAND (see the separate operating instructions for COMAND).
X Engage reverse gear.
The area behind the vehicle is shown in the COMAND display.
ATTENTION ASSIST Important safety notes ATTENTION ASSIST helps you during long, monotonous journeys, such as on highways and arterial roads. It is active at speeds between 50 mph (80 km/h) and 112 mph (180 km/h).
If ATTENTION ASSIST detects fatigue or increasing lapses in concentration on the part of the driver, it suggests taking a break. G Warning! The ATTENTION ASSIST is only an aid to the driver. It might not recognize fatigue or increasing inattentiveness in time or fail to recognize them at all. The system cannot substitute a rested and attentive driver. Fatigue can cause you to recognize dangers too late, to misjudge potential dangers, or to react slower. Therefore, make sure to be rested before and during your trip. Take rests early enough and regularly, especially during long trips. Failure to do so could cause you to recognize dangers too late which could result in an accident and serious injury to you and/ or others.
ATTENTION ASSIST assesses your level of fatigue or lapses in concentration by taking the following criteria into account: Ryour personal driving style, e.g. steering
characteristics
Rjourney details, e.g. time of day and length
of journey
The functionality of ATTENTION ASSIST is restricted and warnings may be delayed or not occur at all: Rif the road condition is poor, e.g. if the
surface is uneven or if there are potholes
Rif there is a strong side wind Rif you have adopted a sporty driving style with high cornering speeds or high rates of acceleration
Rif you predominantly drive at speeds under
50 mph (80 km/h) or over 112 mph (180 km/h)
Rif you are currently using COMAND or
making a telephone call with it
Rif the time has been set incorrectly Rin active driving situations, such as when you change lanes or change your speed
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Warning and display messages in the multifunction display
Example X Activate ATTENTION ASSIST using the on-
board computer (Y page 228). Symbol : appears in the multifunction display.
If ATTENTION ASSIST is active, it will not warn you until at least 20 minutes after your journey has begun. You then hear an intermittent warning tone twice and the Attention Assist: Time for a rest? message appears in the multifunction display. X If necessary, take a break. X Press a to confirm the message. On long journeys, take regular breaks in good time to allow yourself to rest properly. If you do not take a break and ATTENTION ASSIST still detects fatigue or increasing lapses in concentration, you will be warned again after 15 minutes at the earliest. ATTENTION ASSIST is reset when you continue your journey; it reassesses your tiredness if: Ryou switch off the engine. Ryou take off your seat belt and open the
driver's door, e.g. for a change of drivers or to take a break.
Night View Assist Plus Important safety notes In addition to the illumination provided by the normal headlamps, Night View Assist Plus uses infrared light to illuminate the road. A camera at the top of the windshield picks up
the infrared light and displays a black-and- white image in the COMAND display. The image displayed in COMAND corresponds to a road lit up by high-beam headlamps. This enables you to see the road's course and any obstacles in good time. If pedestrian recognition is activated, pedestrians recognized by the system are highlighted in the Night View Assist Plus display. G Warning Night View Assist Plus is only an aid designed to assist driving. It is not a substitute for attentive driving. Do not rely solely on the Night View Assist Plus display. Continue to look through the windshield. You are responsible for safety and must drive in accordance with traffic conditions. You could otherwise put yourself and others in danger. The system may be impaired or unavailable if: Rthere is poor visibility, e.g. due to snow,
rain, fog or heavy spray.
Rthe windshield is dirty, fogged up or
covered, for instance by a sticker, in the vicinity of the camera.
Ryou are driving on bends, uphill gradients
or downhill gradients.
Light from the headlamps of oncoming vehicles does not affect the Night View Assist Plus display in the multifunction display. This is also the case if you cannot switch on the high-beam headlamps because of oncoming traffic. G Warning! The Night View Assist Plus cannot record objects immediately in front of or next to the vehicle. When maneuvering, continue to look through the windshield. Make sure no persons or animals are in the area in which you are maneuvering. You could otherwise injure them.
i Infrared light is not visible to the human
eye and therefore does not glare. Night View Assist Plus can therefore remain
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switched on even if there is oncoming traffic.
: Night View Assist Plus camera
Switching on Night View Assist Plus
You can only activate Night View Assist Plus if: Rthe SmartKey is in position 2 in the ignition
lock.
Rit is dark. Rthe light switch is in the c or L
position.
Rreverse gear has not been engaged. X Make sure COMAND APS is switched on. X Press button :.
The Night View Assist Plus display appears in the COMAND APS display.
: Night View Assist Plus display ; Pedestrian recognized = Framing ? Symbol for active pedestrian recognition You can read about how to adjust the brightness of the COMAND APS display in the COMAND APS operating instructions. i The infrared headlamps only switch on
when the vehicle is driving at speeds of at least 6 mph (10 km/h). This means that you do not have the full visual range while stationary and cannot check whether Night View Assist Plus is working.
Pedestrian recognition Night View Assist Plus recognizes pedestrians using typical characteristics, e.g. a silhouette in the shape of a person. Pedestrian recognition is activated automatically, if RNight View Assist Plus is activated. Ryou are driving faster than 6 mph
(10 km/h).
Rthe surroundings are dark, e.g. when driving outside built-up areas without street lighting.
If pedestrian recognition is active, symbol ? appears. If a pedestrian is now recognized, they are highlighted by a frame =. If the pedestrian recognition system has brought a pedestrian to your attention, look through the windshield to evaluate the situation. The actual distance to objects and
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X To defrost: check the automatic air
conditioning settings (Y page 142) and fold down the camera cover (Y page 318).
X To defrost the inside of the windshield: fold down the camera cover (Y page 318) and clean the windshield (Y page 316).
pedestrians cannot be gauged accurately by looking at a screen. It may be the case that objects are highlighted as well as pedestrians. G Warning! The pedestrian detection may be impaired or unavailable when Rpedestrians are obstructed fully or in part by other objects such as parking vehicles Rthe silhouette in the Night View Assist Plus
image is displayed incomplete or interrupted, e.g. by significant light reflection
Ra pedestrian's silhouette is not rich enough
in contrast compared to the background
Rpedestrians are not in erected position but,
for example, sit, crouch down, or lie
i Animals are not recognized by pedestrian
recognition.
Fogged up or dirty windshield If the windshield in front of the camera is fogged up or dirty on the inside or outside, the Night View Assist Plus display is affected. G Warning! Please do not forget that your primary responsibility is to drive the vehicle. A driver's attention to the road must always be his/her primary focus when driving. For your safety and the safety of others, stop before trying to remove window fogging or cleaning the windshield in front of the Night View Assist Plus camera. Bear in mind that at a speed of just 30 mph (approximately 50 km/h), your vehicle is covering a distance of 44 feet (approximately 14 m) every second.
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Problems with Night View Assist Plus
Problem The picture quality of Night View Assist Plus has deteriorated.
Possible causes/consequences and M Solutions The windshield wipers are smearing the windshield. X Replace the wiper blades (Y page 129). The windshield is smeared after the vehicle has been cleaned in a car wash. X Clean the windshield (Y page 316). There is windshield chip damage in the camera's field of vision. X Replace the windshield. The windshield is fogged up on the inside. X Defrost the windshield (Y page 142). The windshield is iced up. X De-ice the windshield (Y page 141). There is dirt on the inside of the windshield. X Clean the inside of the windshield (Y page 316).
Lane Tracking package General information The Lane Tracking package consists of Blind Spot Assist (Y page 205) and Lane Keeping Assist (Y page 207).
Blind Spot Assist Important safety notes Blind Spot Assist uses a radar sensor system to monitor the areas on both sides of your vehicle. It is active at speeds above approximately 20 mph (30 km/h). A warning display in the exterior mirrors draws your attention to a vehicle detected in the monitored area. If you switch on the corresponding turn signal before changing lane, you will also receive visual and audible collision warnings. For this purpose, Blind Spot Assist uses sensors in the rear bumper.
G Warning Blind Spot Assist is only an aid designed to assist driving. It may fail to detect some vehicles and is no substitute for attentive driving. Blind Spot Assist cannot detect road and traffic conditions. It may fail to detect narrow vehicles, such as motorcycles or bicycles, or may only detect them too late. Monitoring may be affected by dirty sensors, strong spray or poor visibility caused by snow, rain or mist, for example. In this case, vehicles are detected late or not at all. Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
i USA only:
This device has been approved by the FCC as a “Vehicular Radar System”. The radar sensor is intended for use in an automotive radar system only. Removal, tampering, or
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altering of the device will void any warranties, and is not permitted by the FCC. Do not tamper with, alter, or use in any non-approved way. Any unauthorized modification to this device could void the user’s authority to operate the equipment.
For Blind Spot Assist to assist you when driving, the radar sensor system must be switched on (Y page 232) and operational. Monitoring range of the sensors Blind Spot Assist monitors the area up to 10 ft (3 m) behind your vehicle and directly next to your vehicle as shown in the diagram.
Sedan (example) G Warning Blind Spot Assist monitors certain areas in the immediate vicinity of your vehicle. Vehicles that approach and drive past at high speeds are not detected. There is no display and no warning. If the lanes are very wide, it may not be possible to monitor the complete width of the neighboring lane. For this reason, vehicles in the next lane may not be detected, especially if they are driving in a staggered formation. This may be the case if vehicles are driving at that edge of their lane which is furthest away from your vehicle.
Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
If the lanes are narrow, the system may be unable to distinguish the neighboring lane from the one beyond it. For this reason, the system may indicate vehicles in the farther lane, especially if the vehicles are driving in a staggered formation in different lanes. In particular, this may be the case if the vehicles are driving at that edge of their lane which is nearest your vehicle. Due to the nature of the system: Rwarnings may be issued unnecessarily when driving close to crash barriers or similar solid lane borders.
Rwarnings may be interrupted when driving
alongside particularly long vehicles for a prolonged time.
The two sensors for Blind Spot Assist are integrated into the sides of the rear bumper. Make sure that the bumper is free of dirt, ice or slush around the sensors. For example, the radar sensors must not be covered by bicycle racks or overhanging loads. In the event of a severe impact or damage to the bumpers, have the function of the radar sensors checked at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. Blind Spot Assist may otherwise not work properly. Indicator and warning display
: Yellow indicator lamp/red warning lamp
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If Blind Spot Assist is switched on, indicator lamp : in the exterior mirrors lights up in yellow up to a speed of 20 mph (30 km/h). At speeds above 20 mph (30 km/h), the indicator lamp goes out and Blind Spot Assist is operational. If a vehicle is detected within the monitoring range of Blind Spot Assist at speeds above 20 mph (30 km/h), warning lamp : on the corresponding side lights up in red. This warning is always emitted when a vehicle enters the blind spot monitoring range from behind or from the side. When you overtake a vehicle, the warning only occurs if the difference in speed is less than 7 mph (12 km/h). The yellow indicator lamp goes out if reverse gear is engaged. In this event, Blind Spot Assist is no longer active. The brightness of the indicator/warning lamps is adjusted automatically according to the ambient light. G Warning Blind Spot Assist is not active at speeds under approximately 20 mph (30 km/h). The indicator lamps in the exterior mirrors are yellow. Vehicles in the monitoring range are then not indicated. Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
Collision warning If a vehicle is detected in the monitoring range of Blind Spot Assist and you switch on the turn signal, a double warning tone sounds. Red warning lamp : flashes. If the turn signal remains on, detected vehicles are indicated by the flashing of red warning lamp :. There are no further warning tones. Switching on Blind Spot Assist X Make sure that the radar sensor system
(Y page 232) and Blind Spot Assist
(Y page 228) are activated in the on-board computer.
X Turn the SmartKey to position 2 in the
ignition lock. Warning lamps : light up in red in the exterior mirrors for approximately 1.5
seconds and then turn yellow.Lane Keeping Assist Important safety notes Lane Keeping Assist monitors the area in front of your vehicle by means of a camera at the top of the windshield. Lane Keeping Assist detects lane markings on the road and warns you before you leave your lane unintentionally.
: Lane Keeping Assist camera If you select km on the on-board computer in the Display Unit Speed-/Odometer: function (Y page 229), Lane Keeping Assist is activated starting at a speed of 60 km/h. If the miles display unit is selected, the assistance range begins at 40 mph. G Warning Lane Keeping Assist does not keep your vehicle in its lane. It is only an aid and may detect the lane markings on the road incorrectly or not at all.
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The system may be impaired or may not function if: Rthere is poor visibility, e.g. due to
insufficient illumination of the road, or due to snow, rain, fog or spray.
Rthere is glare, e.g. from oncoming traffic, the sun, or reflection from other vehicles.
Rthe windshield is dirty, fogged up or
covered, for instance by a sticker, in the vicinity of the camera.
Rseveral or no lane markings for a single lane
are present.
Rthe lane markings are worn away, dark or
covered up, e.g. by dirt or snow.
Rthe distance to the vehicle in front is too
small and the lane markings thus cannot be detected.
Rthe lane markings on the road are unclear,
e.g. near roadworks.
Rthe lane markings change quickly, e.g. lanes branch off, cross one another or merge.
Rthe road is narrow and winding. Lane Keeping Assist cannot detect road and traffic conditions. It is not a substitute for attentive driving. You are responsible for the vehicle's speed, braking in good time, and steering correctly. Always adapt your driving style to suit the prevailing road and weather conditions. Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
A warning can be given when a front wheel passes over a lane marking. It will warn you by means of intermittent vibration in the steering wheel for up to 1.5 seconds. In order that you are warned only when necessary and in good time if you cross the lane marking, the system recognizes certain conditions and warns you accordingly.
The warning vibration occurs earlier if: Ryou approach the outer lane marking on a
bend.
Rthe road has very wide lanes, e.g. a
freeway.
Rthe system recognizes solid lane markings. The warning vibration occurs later if: Rthe road has narrow lanes. Ryou cut the corner on a bend. No warning vibration occurs if: Ryou clearly and actively steer, brake, or
accelerate.
Ryou cut the corner on a sharp bend. Ra driving safety system intervenes, such as
ABS, BAS or ESP®.
Ryou switch on the turn signals. In this event, the warnings are suppressed for a certain period of time.
Activating Lane Keeping Assist
X Activate Lane Keeping Assist using the on-
board computer (Y page 229). Symbol : appears in the multifunction display. If you drive at speeds above 40 mph (60 km/h) and lane markings are detected, symbol : is highlighted. Lane Keeping Assist is ready for use.
Active Driving Assistance package General information The Active Driving Assistance package consists of DISTRONIC PLUS (Y page 179), Active Blind Spot Assist (Y page 209) and Active Lane Keeping Assist (Y page 211).
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Active Blind Spot Assist Important safety notes Active Blind Spot Assist uses a radar sensor system to monitor the side areas of your vehicle. In addition, it uses the radar sensor system to monitor the front area as well. Active Blind Spot Assist is activated at speeds above approximately 20 mph (30 km/h). A warning lamp in the exterior mirrors calls your attention to a vehicle or certain obstacles in the area monitored. If you switch on the corresponding turn signal before changing lane, you will also receive visual and audible collision warnings. If a risk of lateral collision is detected, corrective braking may help you avoid a collision. G Warning Active Blind Spot Assist is only an aid, and may detect vehicles/obstacles incorrectly or not at all. The system may be impaired or may not function if: Rthere is poor visibility, e.g. due to snow,
rain, fog or spray.
Rthe rear and/or front sensors are dirty. Active Blind Spot Assist may not detect narrow vehicles, such as motorcycles or bicycles, or only detect them too late. It cannot detect vehicles that are overtaken at a small distance and then enter the blind spot area. Active Blind Spot Assist cannot detect road and traffic conditions. It is not a substitute for attentive driving. You are responsible for the vehicle's speed, braking in good time, and steering correctly. Always adapt your driving style to suit the prevailing road and weather conditions. Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
i USA only:
This device has been approved by the FCC as a “Vehicular Radar System”. The radar sensor is intended for use in an automotive radar system only. Removal, tampering, or altering of the device will void any warranties, and is not permitted by the FCC. Do not tamper with, alter, or use in any non-approved way. Any unauthorized modification to this device could void the user’s authority to operate the equipment.
For Active Blind Spot Assist to assist you when driving, the radar sensor system must be activated (Y page 232) and operational. Monitoring range Active Blind Spot Assist monitors the area up to 10 ft (3 m) behind your vehicle and directly next to your vehicle as shown in the diagram. For this purpose, Active Blind Spot Assist uses sensors in the rear bumper.
Sedan (example) G Warning Active Blind Spot Assist monitors certain areas in the immediate vicinity of your vehicle. Vehicles that approach and drive past at high speeds are not detected. No visual nor audible warnings are emitted and the system does not brake the vehicle to correct your course.
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If the lanes are very wide, it may not be possible to monitor the complete width of the neighboring lane. For this reason, vehicles in the next lane may not be detected, especially if they are driving in a staggered formation. This may be the case if vehicles are driving at the edge of their lane that is furthest away from your vehicle. Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
If the lanes are narrow, the system may be unable to distinguish the neighboring lane from the one beyond it. For this reason, the system may indicate vehicles in the farther lane, especially if the vehicles are driving in a staggered formation in different lanes. In particular, this may be the case if the vehicles are driving at that edge of their lane which is nearest your vehicle. Due to the nature of the system, warnings may be issued unnecessarily when driving close to crash barriers or similar solid lane borders. Two Active Blind Spot Assist sensors are integrated into the front and rear bumpers respectively. An additional sensor is located behind the cover in the radiator grill. Make sure that the bumpers are free of dirt, ice or slush around the sensors. The rear radar sensors must not be covered, for example by bicycle racks or overhanging loads. In the event of a severe impact or damage to the bumpers, have the function of the radar sensors checked at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. Active Blind Spot Assist may otherwise fail to work correctly.
Indicator and warning display
: Yellow indicator lamp/red warning lamp If Active Blind Spot Assist is switched on, indicator lamp : in the exterior mirrors lights up in yellow up to a speed of 20 mph (30 km/h). At speeds above 20 mph (30 km/h), the indicator lamp goes out and Active Blind Spot Assist is operational. If a vehicle is detected within the monitoring range of Blind Spot Assist at speeds above 20 mph (30 km/h), warning lamp : on the corresponding side lights up in red. This warning is always emitted when a vehicle enters the blind spot monitoring range from behind or from the side. When you overtake a vehicle, the warning only occurs if the difference in speed is less than 7 mph (12 km/h). The yellow indicator lamp goes out if reverse gear is engaged. Active Blind Spot Assist is then no longer active. The brightness of the indicator/warning lamps is adjusted automatically according to the ambient light. G Warning Active Blind Spot Assist is not active at speeds lower than 20 mph (30 km/h). The indicator lamps in the exterior mirrors are yellow. Vehicles in the monitoring range are then not indicated. Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
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Optical and acoustic collision warning When you switch on the appropriate turn signals to change lanes and a vehicle is detected in the side monitoring range of Active Blind Spot Assist, you receive an optical and acoustic collision warning. You then hear a double warning tone and red warning lamp : flashes. If the turn signal remains on, detected vehicles are indicated by the flashing of red warning lamp :. There are no further warning tones. Course-correcting brake application If Active Blind Spot Assist detects a risk of collision in the monitoring range, under certain circumstances, it will brake the vehicle briefly on one side. This is designed to help you avoid a collision. This function is available at speeds between 20 mph and 120 mph (30 km/h and 200 km/h). When a course-correcting brake application occurs, red warning lamp : flashes in the exterior mirror and the following is shown in the multifunction display, for example:
or obstacles. An inappropriate brake application may be interrupted at any time if you steer slightly in the opposite direction or accelerate. You are responsible for the vehicle's speed, braking in good time, and steering correctly. Always adapt your driving style to suit the prevailing road and weather conditions. Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
Either a very slight, course-correcting brake application, or none at all, may occur if: Rother vehicles and/or objects, such as
crash barriers, are detected in the immediate vicinity of your vehicle.
Ra vehicle approaches you too closely at the
side.
Ryou have adopted a sporty driving style with
high cornering speeds.
Ryou clearly brake or accelerate. Ra driving safety system intervenes, such as
ESP® or PRE-SAFE® Brake.
RESP® is deactivated. Ra loss of tire pressure or a defective tire has
been detected and shown in the display.
G Warning Active Blind Spot Assist is only an aid designed to assist driving. It is not a substitute for attentive driving. In some cases, the course-correcting brake application is not sufficient to avoid a collision. In such a case, you must steer, brake or accelerate. In very rare cases, the system may erroneously detect a danger of collision in the area of crash barriers or similar lane borders and apply the brakes. Active Blind Spot Assist does not detect all traffic situations and road users. Always make sure that there is sufficient distance to the side for other traffic
Activating Active Blind Spot Assist X Make sure that the radar sensor system (Y page 232) and Active Blind Spot Assist (Y page 228) are activated in the on-board computer.
X Turn the SmartKey to position 2 in the
ignition lock. Warning lamps : light up in red in the exterior mirrors for approximately 1.5
seconds and then turn yellow.Active Lane Keeping Assist Important safety notes Active Lane Keeping Assist monitors the area in front of your vehicle by means of a camera at the top of the windshield. Active Lane
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Keeping Assist detects lane markings on the road and warns you before you leave your lane unintentionally. If you do not react to the warning, a lane-correcting application of the brakes can bring the vehicle back into the original lane.
: Active Lane Keeping Assist camera If you select km on the on-board computer in the Display Unit Speed-/ Odometer (Y page 229) function, Active Lane Keeping Assist is activated starting at a speed of 60 km/h. If the miles display unit is selected, the assistance range begins at 40 mph. G Warning Active Lane Keeping Assist does not keep your vehicle in its lane. It is only an aid and may detect the lane markings on the road incorrectly or not at all. The system may be impaired or may not function if: Rseveral or no lane markings for a single lane
are present.
Rthere is poor visibility, e.g. due to
insufficient illumination of the road, or due to snow, rain, fog or spray.
Rthere is glare, e.g. from oncoming traffic, the sun, or reflection from other vehicles.
Rthe windshield is dirty, fogged up or
covered, for instance by a sticker, in the vicinity of the camera.
Rthe lane markings are worn away, dark or
covered up, e.g. by dirt or snow.
Rthe distance to the vehicle in front is too
small and the lane markings thus cannot be detected.
Rthe lane markings on the road are unclear,
e.g. near roadworks.
Rthe lane markings change quickly, e.g. lanes branch off, cross one another or merge.
Rthe road is narrow and winding. Active Lane Keeping Assist cannot detect road and traffic conditions. It is not a substitute for attentive driving. You are responsible for the vehicle's speed, braking in good time, and steering correctly. Always adapt your driving style to suit the prevailing road and weather conditions. Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
Warning vibration in the steering wheel A warning can be given when a front wheel passes over a lane marking. It will warn you by means of intermittent vibration in the steering wheel for up to 1.5 seconds. In order that you are warned only when necessary and in good time if you cross the lane marking, the system recognizes certain conditions and warns you accordingly. The warning vibration occurs earlier if: Ryou approach the outer lane marking on a
bend.
Rthe road has very wide lanes, e.g. a
freeway.
Rthe system recognizes solid lane markings. The warning vibration occurs later if: Rthe road has narrow lanes. Ryou cut the corner on a bend. No warning vibration occurs if: Ryou clearly and actively steer, brake, or
accelerate.
Ryou cut the corner on a sharp bend.
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Ra driving safety system intervenes, such as
ABS, BAS or ESP®.
Ryou switch on the turn signals. In this event, the warnings are suppressed for a certain period of time.
Lane-correcting brake application If you leave your lane under certain circumstances, the vehicle will brake briefly on one side. This is designed to help you bring the vehicle back into the original lane. This function is available in the range between 40 mph and 120 mph (60 km/h and 200 km/h). A lane-correcting brake application can only be made after driving over a solid, recognizable lane marking. You will be warned beforehand by means of an intermittent vibration in the steering wheel. In addition, a lane with lane markings on both sides must be recognized. The brake application also slightly reduces driving speed. If a lane-correcting brake application occurs, the following message appears in the multifunction display:
i A further lane-correcting brake
application can only occur after your vehicle has returned to the original lane. G Warning Active Lane Keeping Assist does not keep your vehicle in its lane. It is only an aid designed to assist driving. It is not a substitute for attentive driving. In some cases, the lane- correcting brake application is not sufficient to bring your vehicle back to the original lane. In such cases, you must steer the vehicle
yourself to ensure that it does not leave the lane. Active Lane Keeping Assist does not detect road and traffic conditions. Always make sure that there is sufficient distance to the side for other traffic or obstacles. In rare cases, unclear markings or particular structures on the roadway can be recognized as solid lane markings. An inappropriate brake application, e.g. after intentionally driving over a solid lane marking, may be interrupted at any time by steering slightly in the opposite direction. Active Lane Keeping Assist cannot take account of weather conditions. You are responsible for the vehicle's speed, braking in good time, and steering correctly. Always adapt your driving style to suit the prevailing road and weather conditions. Always pay attention to traffic conditions and your surroundings. Otherwise, you may fail to recognize dangers in time, cause an accident and injure yourself and others.
No lane-correcting brake application occurs if: Ryou clearly and actively steer, brake, or
accelerate.
Ryou cut the corner on a sharp bend. Ryou switch on the turn signals. Ra driving safety system intervenes, such as
ESP®, PRE-SAFE® Brake or Active Blind Spot Assist.
Ryou have adopted a sporty driving style with
high cornering speeds or high rates of acceleration.
RESP® is deactivated. Rthe transmission is not in position D. Ra loss of tire pressure or a defective tire has
been detected and displayed.
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Active Lane Keeping Assist does not detect road and traffic conditions. An inappropriate brake application may be interrupted at any time if you: Rsteer slightly in the opposite direction Ruse a turn signal Rclearly brake or accelerate A lane-correcting brake application is interrupted automatically if: Ra driving safety system intervenes, such as
ESP®, PRE-SAFE® Brake or Active Blind Spot Assist
Rlane markings can no longer be recognized Activating Active Lane Keeping Assist
X Activate Active Lane Keeping Assist using
the on-board computer (Y page 229). Symbol : appears in the multifunction display.
If you drive at speeds above 40 mph (60 km/h) and lane markings are detected, symbol : is highlighted. Active Lane Keeping Assist is ready for use.
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Vehicle equipment ............................ 216
Important safety notes .................... 216
Displays and operation .................... 216
Menus and submenus ...................... 219
Display messages ............................. 234
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