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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 reflections (e.g. when the road surface is wet)
Rthe windshield is dirty, fogged up, damaged or covered, for instance by a sticker, in the vicinity of the camera
Rthere are no, several or unclear lane
markings for a lane, e.g. in areas with road construction work
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 change quickly, e.g. lanes branch off, cross one another or merge
Rthe road is narrow and winding Rthere are strong shadows cast on the lane A warning may be given if 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. Switching on Lane Keeping Assist
X Switch on Active Lane Keeping Assist using the on-board computer; to do so, select Standard or Adaptive (Y page 195). 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.
When Standard is selected, no warning vibration occurs if: Ryou switch on the turn signals. In this event, the warnings are suppressed for a certain period of time.
Ra driving safety system intervenes, such as
ABS, BAS or ESP®.
When Adaptive is selected, no warning vibration occurs if: Ryou switch on the turn signals. In this event, the warnings are suppressed for a certain period of time.
Ra driving safety system intervenes, e.g.
ABS, BAS or ESP®.
Ryou accelerate hard, e.g. kickdown. Ryou brake hard. Ryou steer actively, e.g. swerve to avoid an
obstacle or change lanes quickly.
Ryou cut the corner on a sharp bend. 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.
Useful information ............................ 186
Important safety notes .................... 186
Displays and operation .................... 186
Menus and submenus ...................... 189
Display messages ............................. 200
Warning and indicator lamps in the instrument cluster ............................ 224185
186 Displays and operation
Useful information
i This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are possible. Please note that your vehicle may not be equipped with all features described. This also applies to safety- related systems and functions.
i Read the information on qualified specialist workshops: (Y page 24).
Important safety notes
G WARNING If you operate information systems and communication equipment integrated in the vehicle while driving, you will be distracted from traffic conditions. You could also lose control of the vehicle. There is a risk of an accident. Only operate the equipment when the traffic situation permits. If you are not sure that this is possible, park the vehicle paying attention to traffic conditions and operate the equipment when the vehicle is stationary. G WARNING If the instrument cluster has failed or malfunctioned, you may not recognize function restrictions in systems relevant to safety. The operating safety of your vehicle may be impaired. There is a risk of an accident. Drive on carefully. Have the vehicle checked at a qualified specialist workshop immediately.
You must observe the legal requirements for the country in which you are currently driving when operating the on-board computer. The on-board computer only shows messages or warnings from certain systems in the
multifunction display. You should therefore make sure your vehicle is operating safely at all times. Otherwise, a vehicle that is not operating safely may cause an accident. For an overview, see the instrument panel illustration (Y page 29).
Displays and operation Instrument cluster lighting The lighting in the instrument cluster, in the displays and the controls in the vehicle interior can be adjusted using the brightness control knob. The brightness control knob is located on the bottom left of the instrument cluster (Y page 29). X Turn the brightness control knob clockwise
or counter-clockwise. If the light switch is set to Ã, T or L, the brightness is dependent upon the brightness of the ambient light.
i The light sensor in the instrument cluster
automatically controls the brightness of the multifunction display. In daylight, the displays in the instrument cluster are not illuminated.
Coolant temperature display G WARNING Driving when your engine is overheated can cause some fluids which may have leaked into the engine compartment to catch fire. You could be seriously burned. Steam from an overheated engine can cause serious burns which can occur just by opening the engine hood. Stay away from the engine if you see or hear steam coming from it. Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down.
Displays and operation 187
! A display message is shown if the coolant
temperature is too high. If the coolant temperature is over 248 ‡(120 †), do not continue driving. The engine will otherwise be damaged.
The coolant temperature gage is in the instrument cluster on the right-hand side. Under normal operating conditions and with the specified coolant level, the coolant temperature may rise to 248 ‡ (120 †).
Tachometer ! Do not drive in the overrevving range, as
this could damage the engine.
The red band in the tachometer indicates the engine's overrevving range. The fuel supply is interrupted to protect the engine when the red band is reached.
Outside temperature display You should pay special attention to road conditions when temperatures are around freezing point. The outside temperature display is in the multifunction display. Changes in the outside temperature are displayed after a short delay.
Speedometer with segments The segments in the speedometer indicate which speed range is available. RCruise control activated (Y page 157): The segments light up from the stored speed to the maximum speed.
RDISTRONIC PLUS activated (Y page 159):
One or two segments in the set speed range light up.
RDISTRONIC PLUS detects a vehicle in front:
The segments between the speed of the vehicle in front and the stored speed light up.
Operating the on-board computer Overview
: Multifunction display ; Switches on the Voice Control System; see the separate operating instructions
= Right control panel ? Left control panel A Back button X To activate the on-board computer: turn the SmartKey to position 1 in the ignition lock.
You can control the multifunction display and the settings in the on-board computer using the buttons on the multifunction steering wheel.
188 Displays and operation
Left control panel
RCalls up the menu and menu bar
Press briefly: RScrolls in lists RSelects a submenu or function RIn the Audio menu: selects a stored station, an audio track or a video scene RIn the Tel(telephone) menu: switches to the phone book and selects a name or telephone number
Press and hold: RIn the Audio menu: selects the previous/next station or selects an audio track or a video scene using rapid scrolling RIn the Tel (Telephone) menu, starts rapid scrolling through the phone book
a RConfirms a selection/display message RIn the Tel (telephone) menu: switches to the telephone book and starts dialing the selected number RIn the Audio menu: stops the station search function at the desired station
Right control panel
~ RRejects or ends a call
RExits phone book/redial
memory
6 RMakes or accepts a call
RSwitches to the redial memory
RAdjusts the volume
8 RMute
Back button
% Press briefly:
RBack RSwitches off the Voice Control
System; see the separate operating instructions RHides display messages/calls up the last Trip menu function used
RExits the telephone book/redial
memory
% Press and hold: RCalls up the standard display in the Trip menu
Multifunction display
: Time ; Permanent display: outside temperature
or speed (Y page 197)
= Text field ? Menu bar
189
Menus and submenus The Audio, Navi and Tel menus differ slightly in vehicles with Audio 20 and in vehicles with COMAND. The examples given in this Operator's Manual apply to vehicles equipped with COMAND.
Trip menu Standard display
A Drive program (Y page 141) B Transmission position (Y page 141) X To show menu bar ?: press the = or ; button on the steering wheel.
Menu bar ? disappears after a few seconds. Text field = shows the selected menu or submenu as well as display messages. i You can set the time using the audio system or COMAND; see the separate operating instructions.
Active Parking Assist (Y page 172)
The following messages may appear in the multifunction display: XjY CRUISE Cruise Control (Y page 157) è Rear window wiper (Y page 112) _ Adaptive Highbeam Assist
(Y page 102)
À ATTENTION ASSIST (Y page 180) Ã Lane Keeping Assist (Y page 183) ë HOLD function (Y page 167) Ä Distance warning function
(Y page 233)
Menus and submenus Menu overview Operating the on-board computer (Y page 187). Depending on the equipment installed in the vehicle, you can call up the following menus: RTrip menu (Y page 189) RNavi menu (navigation instructions) (Y page 191) RAudio menu (Y page 192) RTel (telephone) menu (Y page 193) RDriveAssist (Assistance) menu (Y page 194) RServ menu (Y page 196) RSett menu (Y page 196)
X Press and hold the % button on the steering wheel until the Trip menu with trip odometer : and odometer ; is shown.
Trip computer "From Start" or "From Reset"
Example: trip computer "From Start" : Distance ; Time = Average speed ? Average fuel consumption X Press the = or ; button on the steering wheel to select the Trip menu. X Press the 9 or : button to select From Start or From Reset. The values in the From Start submenu are calculated from the start of a journey, while the values in the From Reset submenu are calculated from the last time the submenu was reset (Y page 190).
190 Menus and submenus The From Start trip computer is automatically reset when: Rthe ignition has been switched off for more
than four hours.
R999 hours have been exceeded. R9,999 miles have been exceeded. If the value exceeds 9,999 hours or 99,999 miles, the From Reset trip computer is automatically reset.
ECO display
Example: ECO display X Press the = or ; button on the steering wheel to select the Trip menu. X Press 9 or : to select ECO DISPLAY. If the ignition remains switched off for longer than four hours, the ECO display will be automatically reset. Further information on the ECO display (Y page 153).
Displaying the range and current fuel consumption
X Press the = or ; button on the steering wheel to select the Trip menu. X Press the 9 or : button to select
current fuel consumption ; and approximate range :.
Approximate range : is calculated according to the current driving style and the amount of fuel in the tank. If there is only a small amount of fuel left in the fuel tank, the display shows a vehicle being refueled C instead of range :.
Digital speedometer
X Press the = or ; button on the steering wheel to select the Trip menu. X Press the 9 or : button to select
digital speedometer :.
Resetting values
Example: resetting the trip computer "From Start" You can reset the values of the following functions: RTrip odometer R"From Start" trip computer R"From Reset" trip computer RECO display X Press the = or ; button on the steering wheel to select the Trip menu. X Press the 9 or : button to select the
function that you wish to reset. X Press the a button. X Press the : button to select Yes and press a to confirm.
Menus and submenus
191
i When you reset the values in the "ECO display", the values in the trip computer "From start" are likewise reset. When you reset the values in the trip computer "From start", the values in the "ECO display" are likewise reset.
= Current road ? "Follow the road's course" symbol Change of direction announced without a lane recommendation
Navigation system menu Displaying navigation instructions X Switch on Audio 20 with Becker® MAP
PILOT or COMAND (see the separate operating instructions). X Press the = or ; button on the steering wheel to select the Navi menu. In the Navi menu, the multifunction display shows navigation instructions. For more information, see the separate operating instructions.
Route guidance not active
: Direction of travel ; Current road
Route guidance active No change of direction announced
: Distance to the destination ; Distance to the next change of direction
: Road into which the change of direction
leads
; Distance to change of direction and visual
distance display
= Symbol for change of direction When a change of direction is announced, you will see symbol = for the change of direction and distance graphic ;. The distance indicator shortens towards the top of the display as you approach the point of the announced change of direction. Change of direction announced with a lane recommendation
: Road into which the change of direction
leads
; Distance to change of direction and visual
distance display
= Lane recommendation ? New lane during a change of direction A Uninterrupted lane B Symbol for change of direction On multilane roads, the system can display lane recommendation = for the next change of direction. During the change of direction, additional lanes may be displayed.
192 Menus and submenus
Lane recommendations are only displayed if the relevant data is available on the digital map.
Other status indicators of the navigation system RO: you have reached the destination or an intermediate destination. RNew Route... or Calculating Route: calculating a new route ROff Map or Off Mapped Road: the vehicle position is outside the area of the digital map (off-map position). RNo Route: no route could be calculated to the selected destination.
Audio menu Selecting a radio station
X To select a station from the station
list: press and briefly hold the 9
or : button.If no station list is received: X To select a station using the station search: press and briefly hold the 9
or : button.i For information on changing waveband
and storing stations, see the separate operating instructions.
i SIRIUS XM satellite radio functions like a
normal radio. For more information on satellite radio operation, see the separate operating instructions.
Operating an audio player or audio media
: Waveband ; Station frequency with memory position i The memory position is only displayed
along with station ; if this has been stored.
X Switch on the audio system or COMAND
and select Radio; see the separate operating instructions. X Press the = or ; button on the steering wheel to select the Audio menu. X To select a stored station: briefly press
the 9 or : button.
CD changer display (example) : Current CD in the CD changer ; Current title Audio data from various audio devices or media can be played, depending on the equipment installed in the vehicle. X Switch on the audio system or COMAND and activate audio CD/DVD mode or MP3
mode; see the separate operating instructions. X Press the = or ; button on the steering wheel to select the Audio menu. X To select the next/previous track: briefly press the 9 or : button. X To select a track from the track list(rapid scrolling): press and hold the 9 or : button until desired track ; has been reached.
Menus and submenus
193
If you press and hold 9 or :, the rapid scrolling speed is increased. Not all audio drives or data carriers support this function.
If track information is stored on the audio device or medium, the multifunction display will show the number and title of the track. The current track does not appear in audio AUX mode (Auxiliary audio mode: external audio source connected).
Video DVD operation
DVD changer display (example) : Current DVD in the DVD changer ; Current scene X Switch on COMAND and select video DVD;
see the separate operating instructions. X Press the = or ; button on the steering wheel to select the Audio menu. X To select the next/previous scene: briefly press the 9 or : button.
X To select a scene from the scene list
(rapid scrolling): press and hold the 9 or : button until desired scene ; has been reached.
Telephone menu Introduction G WARNING If you operate information systems and communication equipment integrated in the vehicle while driving, you will be distracted from traffic conditions. You could also lose control of the vehicle. There is a risk of an accident.
Only operate the equipment when the traffic situation permits. If you are not sure that this is possible, park the vehicle paying attention to traffic conditions and operate the equipment when the vehicle is stationary.
When telephoning, you must observe the legal requirements for the country in which you are currently driving. X Switch on your mobile phone and audio system or COMAND, see the separate operating instructions.
X Establish a Bluetooth® connection to the
audio system or COMAND; see the separate operating instructions. X Press the = or ; button on the steering wheel to select the Tel menu. You will see one of the following display messages in the multifunction display: RPhone READY or the name of the network provider: the mobile phone has found a network and is ready to receive. RPhone No Service: there is no network available or the mobile phone is searching for a network.
Accepting a call
Example: incoming call X Press the 6 button on the steering
wheel to accept an incoming call. If someone calls you when you are in the Tel menu, a display message appears in the multifunction display. If you are not in the Tel menu, you can still accept a call.
194 Menus and submenus
Rejecting or ending a call X Press the ~ button on the steering wheel. If you are not in the Tel menu, you can still reject or end a call.
Dialing a number from the phone book X Press the = or ; button on the steering wheel to select the Tel menu. X Press the 9, : or a button to
switch to the phone book.
X Press the 6 or a button to start
dialing.
or X If you do not want to make a call: press
the ~ or % button.
Assistance menu Introduction
X Press the 9 or : button to select the
desired name. To start scrolling rapidly, press and hold the 9 or : button for longer than one second. Rapid scrolling stops when you release the button or reach the end of the list.
X If only one telephone number is stored for a name: press the 6 or a button to start dialing.
or X If there is more than one number for a particular name: press the 6 or a button to display the numbers.
X Press the 9 or : button to select the
number you want to dial.
X Press the 6 or a button to start
dialing.
or X If you do not want to make a call: press
the ~ or % button.
Redialing The on-board computer saves the last names or numbers dialed in the redial memory. X Press the = or ; button on the steering wheel to select the Tel menu. X Press the 6 button to switch to the
redial memory.
X Press the 9 or : button to select the
desired name or number.
In the DriveAssist menu, you have the following options: Rshowing the distance display Ractivating/deactivating ESP® Ractivating/deactivating the distance
warning function
Ractivating/deactivating ATTENTION
ASSIST
Ractivating/deactivating Blind Spot Assist Ractivating/deactivating Lane Keeping
Assist
Showing the distance display X Press the = or ; button on the steering wheel to select the DriveAssist menu. X Press the 9 or : button to select Distance Display. X Press the a button.
The DISTRONIC PLUS distance display appears in the multifunction display (Y page 163).
Deactivating/activating ESP® Further information about ESP®(Y page 62).
X Start the engine. X Press the = or ; button on the steering wheel to select the DriveAssist menu. X Press the 9 or : button to select ESP. X Press the a button. X To deactivate: press a again.
The å warning lamp in the instrument cluster lights up.
X To activate: press a again.
The å warning lamp in the instrument cluster goes out.
Switching the distance warning function on and off X Press the = or ; button on the steering wheel to select the DriveAssist menu. X Press 9 or : to select Distance Warning. X Press the a button.
The current selection is displayed.
X To activate/deactivate: press the a
button again.
When the distance warning function is activated, the multifunction display shows the Ä symbol if the HOLD function is not activated (Y page 167). Vehicles with Active Parking Assist: if PARKTRONIC is activated and you are driving at a speed under 22 mph (35 km/h), the j Active Parking Assist symbol is shown instead of the Ä symbol (Y page 172). Further information on the distance warning function (Y page 60).
Menus and submenus
195
Activating/deactivating ATTENTION ASSIST X Press the = or ; button on the steering wheel to select the DriveAssist menu. X Press 9 or : to select Attention Asst. X Press the a button.
The current selection is displayed.
X To activate/deactivate: press the a
button again.
When ATTENTION ASSIST (Y page 180) is activated, the À symbol appears in the multifunction display when the ignition is on.
Activating/deactivating Blind Spot Assist X Press the = or ; button on the steering wheel to select the DriveAssist menu. X Press 9 or : to select Blind Spot Assist. X Press the a button.
The current selection is displayed.
X To activate/deactivate: press the a
button again.
For further information about Blind Spot Assist, see (Y page 181). When the Blind Spot Assist: Sensors Deactivated message is shown, the radar sensors are deactivated. X Switch on the radar sensor system
(Y page 199).
Activating/deactivating Lane Keeping Assist X Press the = or ; button on the steering wheel to select the DriveAssist menu. X Press 9 or : on the steering wheel to select Lane Keep. Asst.
196 Menus and submenus
X Press the a button.
The current selection is displayed. X Press a to confirm. X Press the : or 9 button to set Off, Standard or Adaptive. X Press the a button to save the setting. If Lane Keeping Assist is activated (Y page 183) and the ignition is switched on, the à symbol appears in the multifunction display.
Maintenance menu
In the Serv menu, you have the following options: RCalling up display messages in message
memory (Y page 200)
RRestarting the tire pressure loss warning
system (Y page 305)
RCalling up the service due date
(Y page 270)
Settings menu Introduction
In the Sett menu, you have the following options: Rchanging the instrument cluster settings Rchanging the light settings Rchanging the vehicle settings
Rchanging the convenience settings Rrestoring the factory settings
Instrument cluster Selecting the unit of measurement for distance You can determine whether the multifunction display shows some messages in miles or kilometers. X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Inst. Cluster submenu. X Press a to confirm. X Press the : or 9 button to select the Display Unit Speed-/Odometer: function. You will see the selected setting km or miles. X Press the a button to save the setting. The selected unit of measurement for distance applies to: Rthe digital speedometer in the Trip menu Rthe odometer and the trip odometer Rthe trip computer Rthe current consumption and the range Rthe navigation instructions in the Navi menu
Rcruise control RDISTRONIC PLUS RASSYST PLUS service interval display Switching the additional speedometer on/off Only vehicles with manual transmission have this function. X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Inst. Cluster submenu. X Press a to confirm.
Menus and submenus
197
X Press : or 9 to select the Speedometer [mph]: function. You will see the selected setting: On or Off. X Press the a button to save the setting. i Speed is displayed in mph. The Speedometer [mph] function allows you to choose whether the status area in the multifunction display always shows the speed in mph instead of the outside temperature. Selecting the permanent display function You can determine whether the multifunction display permanently shows your speed or the outside temperature. X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Inst. Cluster submenu. X Press a to confirm. X Press the : or 9 button to select the Permanent Display: function. You will see the selected setting Outside Temperature or Speedometer [km/h] (USA)/Speedometer [mph] (Canada). X Press the a button to save the setting. i The speed is shown in km/h (USA)/mph
(Canada).
Lights Switching the daytime running lamps on/ off Daytime running lamps are required by law (Canada only). You cannot set the "daytime running lamps" function via the on-board computer. X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Lights submenu. X Press a to confirm.
X Press the : or 9 button to select the Daytime Running Lights function. You will see the selected setting: Enabled or Disabled. X Press the a button to save the setting. Further information on daytime running lamps (Y page 99). Switching Adaptive Highbeam Assist on/ off X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Lights submenu. X Press a to confirm. X Press the : or 9 button to select the Adaptive Highbeam Assist function. You will see the selected setting: Enabled or Disabled. X Press the a button to save the setting. For further information about Adaptive Highbeam Assist, see (Y page 102). Setting the brightness of the ambient lighting X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Lights submenu. X Press a to confirm. X Press the : or 9 button to select the Amb. Light +/-function. You will see the selected setting.
X Press a to confirm. X Press the : or 9 button to adjust the brightness to any level from Off to Level 5 (bright). X Press the a or % button to save the
setting.
198 Menus and submenus
Activating/deactivating surround lighting and exterior lighting delayed switch-off If you have activated the Locator Lighting: function and the light switch is set to Ã, the following functions are activated when it is dark: Rsurround lighting: the exterior lighting
remains lit for 40 seconds after unlocking with the SmartKey. If you start the engine, the surround lighting is switched off and automatic headlamp mode is activated (Y page 99).
Rexterior lighting delayed switch-off: the
exterior lighting remains lit for 60 seconds after the engine is switched off. If you close all the doors and the trunk lid, the exterior lighting goes off after 15 seconds. X Press the = or ; button on the steering wheel to select the Sett. menu. X Press the : or 9 button to select the Lights submenu. X Press a to confirm. X Press the : or 9 button to select the Locator Lighting function. You will see the selected setting: Enabled or Disabled. X Press the a button to save the setting. Deactivating delayed switch-off of the exterior lighting temporarily: X Before leaving the vehicle, turn the
SmartKey to position 0 in the ignition lock.
X Turn the SmartKey to position 2 in the
ignition lock. The exterior lighting delayed switch-off is deactivated.
Delayed switch-off of the exterior lighting is reactivated the next time you start the engine. i Depending on your vehicle's equipment,
when the surround lighting and delayed switch-off exterior lighting are on, the following light up:
RParking lamps RFront fog lamps RLow-beam headlamps RDaytime running lamps RSide marker lamps RSurround lighting in the exterior mirrors
Activating/deactivating the interior lighting delayed switch-off If you activate the Interior Lighting Delay function, the interior lighting remains on for 20seconds after you remove the SmartKey from the ignition lock. X Press the = or ; button on the steering wheel to select the Sett. menu. X Press the : or 9 button to select the Lights submenu. X Press a to confirm. X Press the : or 9 button to select the Interior Lighting Delay function. You will see the selected setting: Enabled or Disabled. X Press the a button to save the setting.
Vehicle Activating/deactivating the automatic door locking mechanism X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Vehicle submenu. X Press a to confirm. X Press the : or 9 button to select the Automatic Door Lock function. You will see the selected setting: Enabled or Disabled. X Press the a button to save the setting. If you select the Automatic Door Lock function, the vehicle is centrally locked above a speed of around 9 mph (15 km/h). i For further information on the automatic
locking feature, see (Y page 74).
Menus and submenus
199
X Press the : or 9 button to select the Fold Mirrors in when Locking: You will see the selected setting: Enabled or Disabled. X Press the a button to save the setting. If you switch on the Fold Mirrors in when Locking: function, the exterior mirrors fold in when you lock the vehicle. If you unlock the vehicle and then open the driver's or front- passenger door, the exterior mirrors fold out again. If you have switched the function on and you fold the exterior mirrors in using the button on the door (Y page 93), they will not fold out automatically. The exterior mirrors can then only be folded out using the button on the door.
Restoring the factory settings X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Factory Setting submenu. X Press a to confirm. The Reset All Settings? message appears. X Press the : or 9 button to select No or Yes. X Press a to confirm the selection. If you have selected Yes , the multifunction display shows a confirmation message. For safety reasons, the Daytime Running Lights: function in the Lights submenu is only reset if the vehicle is stationary.
Activating/deactivating the acoustic locking verification signal If you switch on the Acoustic Lock Feedback: function, an acoustic signal sounds when you lock the vehicle. X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Vehicle submenu. X Press a to confirm. X Press the : or 9 button to select the Acoustic Lock Feedback: function. You will see the selected setting: Enabled or Disabled. X Press the a button to save the setting.
Activating/deactivating the radar sensor system X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Vehicle submenu. X Press a to confirm. X Press the 9 or : button to select Radar Sensor (See Oper. Manual). You will see the selected setting: Enabled or Disabled. X Press the a button to save the setting.
Convenience Switching the fold-in mirrors when locking feature on/off This function is only available on vehicles with the memory function (Y page 95). X Press the = or ; button on the steering wheel to select the Sett menu. X Press the : or 9 button to select the Convenience submenu. X Press a to confirm.
200 Display messages
Display messages General notes Display messages appear in the multifunction display. Display messages with graphic displays may be shown in simplified form in the Operator's Manual and may differ from the messages shown in the multifunction display. Please respond in accordance with the display messages and follow the additional notes in this Operator's Manual. Certain display messages are accompanied by an audible warning tone or a continuous tone. When the ignition is switched off, all display messages are deleted, apart from some high- priority display messages. Once the causes of the high-priority display messages have been rectified, the corresponding display messages are also deleted. When you stop and park the vehicle, please observe the notes on the HOLD function (Y page 167) and parking (Y page 149).
Hiding display messages X Press the a or % button on the steering wheel to hide the display message.
The display message is cleared.
The multifunction display shows high-priority display messages in red. Some high-priority display messages cannot be hidden. The multifunction display shows these messages continuously until the causes for the messages have been remedied.
Message memory The on-board computer saves certain display messages in the message memory. You can call up the display messages: X Press = or ; on the steering wheel to select the Serv menu. If there are display messages, the multifunction display shows, for example, 2 Messages. X Press the 9 or : button to select the entry, e.g. 2 Messages. X Press a to confirm. X Press the 9 or : button to scroll through the display messages.
Display messages
201
Safety systems Display messages !÷ Currently Unavailable See Operator's Manual
!÷ Inoperative See Operator's Manual
Possible causes/consequences and M Solutions ABS (Anti-lock Braking System), ESP® (Electronic Stability Program), BAS (Brake Assist), the HOLD function and hill start assist are temporarily unavailable. COLLISION PREVENTION ASSIST may also have failed. In addition, the ÷, å and ! warning lamps light up in the instrument cluster. ATTENTION ASSIST is deactivated. Possible causes are: RSelf-diagnosis is not yet complete. RThe on-board voltage may be insufficient. G WARNING The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you brake hard, for example. The steerability and braking characteristics may be severely affected. The braking distance in an emergency braking situation can increase. If ESP® is not operational, ESP® is unable to stabilize the vehicle. There is an increased risk of skidding and an accident. X Carefully drive a short distance on a suitable stretch of road, making slight steering movements at a speed above 12 mph (20 km/h). If the display message disappears, the functions mentioned above are available again.
If the display message continues to be displayed: X Drive on carefully. X Visit a qualified specialist workshop.
ABS, ESP®, BAS, the HOLD function and hill start assist are unavailable due to a malfunction. COLLISION PREVENTION ASSIST may also have failed. In addition, the J, ÷, å and ! warning lamps light up in the instrument cluster. ATTENTION ASSIST is deactivated. G WARNING The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you brake hard, for example.
202 Display messages
Display messages
÷ Currently Unavailable See Operator's Manual
Possible causes/consequences and M Solutions The steerability and braking characteristics may be severely affected. The braking distance in an emergency braking situation can increase. If ESP® is not operational, ESP® is unable to stabilize the vehicle. There is an increased risk of skidding and an accident. X Drive on carefully. X Visit a qualified specialist workshop immediately.
ESP®, BAS, the HOLD function and hill start assist are temporarily unavailable. COLLISION PREVENTION ASSIST may also have failed. In addition, the ÷ and å warning lamps light up in the instrument cluster. ATTENTION ASSIST is deactivated. The self-diagnosis function might not be complete, for example. G WARNING The brake system continues to function normally, but without the functions listed above. The braking distance in an emergency braking situation can thus increase. If ESP® is not operational, ESP® is unable to stabilize the vehicle. There is an increased risk of skidding and an accident. X Carefully drive a short distance on a suitable stretch of road, making slight steering movements at a speed above 12 mph (20 km/h). If the display message disappears, the functions mentioned above are available again.
If the display message continues to be displayed: X Drive on carefully. X Visit a qualified specialist workshop.
Display messages
203
Display messages ÷ Inoperative See Operator's Manual
T! ÷ Inoperative See Operator's Manual
F(USA only)!(Canada only)
Possible causes/consequences and M Solutions ESP®, BAS, the HOLD function and hill start assist are unavailable due to a malfunction. COLLISION PREVENTION ASSIST may also have failed. In addition, the ÷ and å warning lamps light up in the instrument cluster. ATTENTION ASSIST is deactivated. G WARNING The brake system continues to function normally, but without the functions listed above. The braking distance in an emergency braking situation can thus increase. If ESP® is not operational, ESP® is unable to stabilize the vehicle. There is an increased risk of skidding and an accident. X Drive on carefully. X Visit a qualified specialist workshop.
EBD (electronic brake force distribution), ABS, ESP®, BAS, the HOLD function and hill start assist are not available due to a malfunction. COLLISION PREVENTION ASSIST may also have failed. In addition, the ÷, å and ! warning lamps light up in the instrument cluster and a warning tone sounds. ATTENTION ASSIST is deactivated. G WARNING The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock if you brake hard, for example. The steerability and braking characteristics may be severely affected. The braking distance in an emergency braking situation can increase. If ESP® is not operational, ESP® is unable to stabilize the vehicle. There is an increased risk of skidding and an accident. X Drive on carefully. X Visit a qualified specialist workshop immediately.
The red F (USA only)/! (Canada only) indicator lamp flashes and a warning tone sounds. A condition for automatic release of the electric parking brake is not fulfilled (Y page 150). You are driving with the electric parking brake applied. X Release the electric parking brake manually.
204 Display messages
Display messages Please Release Parking Brake
F(USA only)!(Canada only) Parking Brake See Operator's Manual
Possible causes/consequences and M Solutions The red F (USA only)/! (Canada only) indicator lamp flashes and a warning tone sounds. You are using the electric parking brake for emergency braking (Y page 150). The yellow ! warning lamp lights up. The electric parking brake is malfunctioning. To apply: X Switch the ignition off. X Press the electric parking brake handle for at least ten seconds. X Shift the transmission to P. X Consult a qualified specialist workshop. The yellow ! warning lamp and the red F (USA only)/! (Canada only) indicator lamp light up. The electric parking brake is malfunctioning. To release: X Switch off the ignition and turn it back on. X Release the electric parking brake manually. or X Release the electric parking brake automatically (Y page 150). If the electric parking brake still cannot be released: X Do not drive on. X Consult a qualified specialist workshop.
Display messages
205
Display messages
Possible causes/consequences and M Solutions The red F (USA only)/! (Canada only) indicator lamp flashes and the yellow ! warning lamp lights up. The electric parking brake is malfunctioning. To release: X Switch off the ignition and turn it back on. X Release the electric parking brake manually. To apply: X Switch off the ignition and turn it back on. X Apply the electric parking brake manually. If the red F (USA only)/! (Canada only) indicator lamp continues to flash: X Do not drive on. X Secure the vehicle against rolling away (Y page 320). X Shift the transmission to P. X Turn the front wheels towards the curb. X Consult a qualified specialist workshop. The yellow ! warning lamp lights up. The red F (USA only)/! (Canada only) indicator lamp flashes for about ten seconds after the electric parking brake has been applied or released. It then goes out or remains lit. The electric parking brake is malfunctioning. X Switch off the ignition and turn it back on. X Apply the electric parking brake. If it is not possible to engage the electric parking brake: X Shift the transmission to P. X Visit a qualified specialist workshop. If it is not possible to release the electric parking brake: X Release the electric parking brake automatically (Y page 150). If the electric parking brake still cannot be released: X Consult a qualified specialist workshop.
206 Display messages
Display messages
F(USA only)!(Canada only) Parking Brake Inoperative
F(USA only)!(Canada only) Turn On the Ignition to Release the Parking Brake
Possible causes/consequences and M Solutions The yellow ! warning lamp lights up. If you manually apply or release the electric parking brake, the red F (USA only)/! (Canada only) indicator lamp flashes. The electric parking brake is malfunctioning. It is not possible to apply the electric parking brake manually. X Shift the transmission to P. X Visit a qualified specialist workshop. The yellow ! warning lamp lights up. The red F (USA only)/! (Canada only) indicator lamp flashes for about ten seconds after the electric parking brake has been applied or released. It then goes out or remains lit. The electric parking brake is malfunctioning, e.g. because of overvoltage or undervoltage. X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine. X Engage or release the electric parking brake. If it remains impossible to apply or release the electric parking brake: X Switch off the ignition and turn it back on. X Engage or release the electric parking brake. If the electric parking brake still cannot be released: X Consult a qualified specialist workshop. The display message is only shown while the vehicle is in motion. The yellow ! warning lamp lights up and the red F (USA only)/ ! (Canada only) indicator lamp flashes. It is not possible to apply the electric parking brake manually. X Shift the transmission to P. X Visit a qualified specialist workshop. The red F (USA only)/! (Canada only) indicator lamp lights up. You attempted to release the electric parking brake while the ignition was switched off. X Turn the SmartKey to position 1 in the ignition lock.
Display messages
207
Display messages $(USA only)J(Canada only) Check Brake Fluid Level
Check Brake Pad Wear mbrace Inoperative
SRS Malfunction Service Required
Possible causes/consequences and M Solutions There is not enough brake fluid in the brake fluid reservoir. In addition, the $ (USA only)/J (Canada only) warning lamp lights up in the instrument cluster and a warning tone sounds. G WARNING The braking effect may be impaired. There is a risk of an accident. X Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. Do not continue driving under any circumstances.
X Secure the vehicle against rolling away (Y page 149). X Consult a qualified specialist workshop. X Do not add brake fluid. This does not correct the malfunction.
The brake pads/linings have reached their wear limit. X Visit a qualified specialist workshop.
One or more main features of the mbrace system are malfunctioning. X Have the mbrace system checked immediately at a qualified
specialist workshop.
There is a malfunction in the SRS (Supplemental Restraint System). The 6 warning lamp also lights up in the instrument cluster. G WARNING The air bags or Emergency Tensioning Devices may either be triggered unintentionally or, in the event of an accident, may not be triggered. There is an increased risk of injury. X Visit a qualified specialist workshop. Further information on occupant safety (Y page 38).
208 Display messages
Display messages Front Left
