!
Adisplay 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 coolan ttemperature gauge is in the
instrument cluster on the right-hand side
(Y page 43).
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 protec tthe
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 (Y page 224).
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.
R Cruise control activated (Y page 183):
The segments light up from the stored
speed to the maximum speed.
R DISTRONIC PLUS activated (Y page 186):
One or two segments in the set speed
range light up.
R DISTRONIC PLUS detectsav ehicle in front:The segments between the speed of the
vehicle in fron
tand the stored speed light
up. Operating the on-board computer
Overview 0002
Multifunctio ndisplay
0003 Switches on the Voice Control System;
see the separate operating instructions
0027 Right control panel
0026 Left control panel
0024 Back button
X To activat ethe on-board computer: turn
the SmartKey to position 1in 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. Displays and operation
223On-board computer and displays Z
In the
Serv menu, you have the following
options:
R call up display messages (Y page 240)
R restart the tire pressure loss warning
system (Y page 551)
R check the tire pressure electronically
(Y page 552)
R call up the service due date Settings menu
Introduction In the
Sett. menu, you have the following
options:
R change the instrument cluster settings
(Y page 232)
R change the lights ettings (Ypage 233)
R change the vehicle settings (Y page 235)
R change the convenience settings
(Y page 235)
R restore the factory settings (Y page 232)
Restoring the factory settings X
Press the 0004or0008 button on the
steering wheel to select the Sett. menu.
X Press the 0007or0006 button to select the
Factory Setting submenu.
X Press the 000Fbutton to confirm.
The Reset All Settings? message
appears.
X Press the 0007or0006 button to select
No or
Yes .
X Press the 000Fbutton 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.
Instrument cluster Selecting the unit of measurement for
distance
The
Display Unit Speed-/Odometer: function allows you to choose whether
certain displays appear in kilometers or miles
in the multifunction display.
You can determine whether the multifunction
display shows some messages in miles or
kilometers.
X Press the 0004or0008 button on the
steering wheel to select the Settings menu.
X Press the 0007or0006 button to select the
Inst. Cluster submenu.
X Press the 000Fbutton to confirm.
X Press the 0007or0006 button to select the
Display Unit Speed-/Odometer: function.
You will see the selected setting:
km or
miles .
X Press the 000Fbutton to save the setting.
The selected unit of measuremen tfor
distance applies to:
R the digital speedometer in the Trip menu
R odometer and the trip odometer
R trip computer
R current consumption and the range
R the navigation instructions in the Navi menu
R cruise control
R DISTRONIC PLUS
R ASSYST PLUS service interval display 232
Menus and submenusOn-board computer and displays
Selecting the permanent display function
You can determine whether the multifunction
display permanently shows your speed or the
outside temperature.
X Press the 0004or0008 button on the
steering wheel to select the Sett. menu.
X Press the 0007or0006 button to select the
Instr. Cluster submenu.
X Press the 000Fbutton to confirm.
X Press the 0007or0006 button to select the
Permanent Display function.
You will see the selected setting: OutsideTemperature or
Speedometer .
X Press the 000Fbutton to save the setting.
i Speed is displayed in mph.
Lights Setting the daytime running lamps
i
This function is not available in Canada.
X Press the 0004or0008 button on the
steering wheel to select the Settings .
X Press the 0007or0006 button to select the
Lights submenu.
X Press 000Fto confirm.
X Press the 0007or0006 button to select
Daytime Running Lights function.
If the Daytime Running Lights function
has been switched on, the cone of light and
the 0003 symbol in the multifunction
display are shown in red.
X Press the 000Fbutton to save the setting.
Further information on daytime running
lamps (Y page 126).
Switching Adaptive Highbeam Assist on/
off
X Press the 0004or0008 button on the
steering wheel to select the Settingsmenu.
X Press the 0007or0006 button to select the
Lights submenu.
X Press the 000Fbutton to confirm. X
Press the 0007or0006 button to select the
Adaptive Highbeam function.
If the Adaptive Highbeam function has
been switched on, the cone of light and the
0002 symbol in the upper multifunction
display are shown in red.
X Press the 000Fbutton to save the setting.
When Adaptive Highbeam Assist is activated,
the 0002 symbol appears in the lower
multifunction display.
For further information about Adaptive
Highbeam Assist, see (Y page 131).
Setting the brightness of the ambient
lighting
X Press the 0004or0008 button on the
steering wheel to select the Sett. menu.
X Press the 0007or0006 button to select the
Lights submenu.
X Press the 000Fbutton to confirm.
X Press the 0007or0006 button to select the
Amb. Light +/-. function.
You will see the selected setting.
X Press the 000Fbutton to confirm.
X Press the 0007or0006 button to adjust the
brightness to any level from Off to
Level 5 (bright).
X Press the 000For001F button to save the
setting.
Setting the ambient lighting color
X Press the 0004or0008 button on the
steering wheel to select the Sett. menu.
X Press the 0007or0006 button to select the
Lights submenu.
X Press the 000Fbutton to confirm.
X Press the 0007or0006 button to select the
Ambient Light Color function.
X Press the 000Fbutton to confirm. Menus and submenus
233On-board computer and displays Z
X
Press the 0007or0006 button to set the
color to SOLAR ,
SOLAR Orange or
SOLAR Red .
X Press the 000For001F button to save the
setting.
Activating/deactivating surround
lighting and exterior lighting delayed
switch-off
X Press the 0004or0008 button on the
steering wheel to select the Settingsmenu.
X Press the 0007or0006 button to select the
Lights submenu.
X Press 000Fto confirm.
X Press the 0007or0006 button to select the
Surround Lighting function.
When the Surround Lighting function is
activated, the light cone and the area
around the vehicle are displayed in red in
the multifunction display.
X Press the 000Fbutton to save the setting.
Deactivating delayed switch-off of the
exterior lighting temporarily:
X Before leaving the vehicle, turn the
SmartKey to position 0in the ignition lock.
X Turn the SmartKey to position 2in 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.
If you have activated the SurroundLighting function and the light switch is set
to 0006, the following functions are activated
when it is dark:
R surround lighting: the exterior lighting
remains lit for 40 seconds after unlocking
with the key. If you start the engine, the
surround lighting is switched off and automatic headlamp mode is activated
(Y
page 126).
R exterior 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 trunkl id,
the exterior lighting goes off after
15 seconds.
i Depending on your vehicle's equipment,
when the surround lighting and delayed
switch-off exterior lighting are on, the
following light up:
R Parking lamps
R Low-beam headlamps
R Daytime running lamps
R Side marker lamps
R Surround 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 0004or0008 button on the
steering wheel to selec tthe Settings menu.
X Press the 0007or0006 button to select the
Lights submenu.
X Press the 000Fbutton to confirm.
X Press 0007or0006 to select the
Interior Lighting Delay function.
When the Interior Lighting Delay function is activated, the vehicle interior is
displayed in red in the multifunction
display.
X Press the 000Fbutton to save the setting. 234
Menus and submenusOn-board computer and displays
Vehicle
Activating/deactivating the automatic
doo rlocking mechanism
X Press the 0004or0008 button on the
steering wheel to selec tthe Settings menu.
X Press the 0007or0006 button to select the
Vehicle submenu.
X Press the 000Fbutton to confirm.
X Press 0007or0006 to select the
Automatic Door Lock function.
When the Automatic Door Lock function
is activated, the vehicle doors are displayed
in red in the multifunction display.
X Press the 000Fbutton to save the setting.
If you activate the Automatic Door Lock function, the vehicle is centrally locked above
a speed of around 9 mph (15 km/h).
For further information on the automatic
locking feature, see (Y page 92).
Activating/deactivating the acoustic
locking verification signal
If you switch on the Acoustic Lock function,
an acoustic signal sounds when you lock the
vehicle.
X Press the 0004or0008 button on the
steering wheel to select the Settingsmenu.
X Press the 0007or0006 button to select the
Vehicle submenu.
X Press the 000Fbutton to confirm.
X Press the 0007or0006 button to select the
Acoustic Lock function.
If the Acoustic Lock function is activated,
the 000D symbol in the multifunction
display lights up red.
X Press the 000Fbutton to save the setting. Activating/deactivating the radar sensor
system
X
Press the 0004or0008 button on the
steering wheel to select the Settings menu.
X Press the 0007or0006 button to select the
Vehicle submenu.
X Press 000Fto confirm.
X Press the 0006or0007 button to select
Radar Sensor (See Oper. Manual): .
You will see the selected setting Enabled or
Disabled .
X Press the 000Fbutton to save the setting.
The following systems are switched off when
the radar sensor system is deactivated:
R DISTRONIC PLUS (Y page 186)
R BAS PLUS (Y page 74)
R PRE-SAFE ®
Brake (Y page 79)
R Active Blind Spot Assist (Y page 214)
Convenience Activating/deactivating the EASY-
ENTRY/EXIT feature
G
WARNING
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement, move
steering wheel adjustment lever or press one
of the memory position buttons.
Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could open the driver's door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
X Press the 0004or0008 button on the
steering wheel to select the Sett. menu.
X Press the 0007or0006 button to select the
Convenience submenu.
X Press the 000Fbutton to confirm. Menus and submenus
235On-board computer and displays Z
Safety systems
Display messages Possible causes/consequences and
0003 Solutions
0015000B
Currently
Unavailable See
Operator's Manual ABS (Anti-lock Braking System), ESP
®
(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ®
,t he HOLD function and
hill start assist are temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the 000B,0013and0015 warning lamps light up in
the instrument cluster.
ATTENTION ASSIST is deactivated.
Possible causes are:
R self-diagnosis is not yet complete.
R the 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 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. 0015000B
Inoperative See
Operator's Manual ABS, ESP
®
, BAS, PRE-SAFE ®
, the HOLD function and hill start
assist are unavailable due to a malfunction.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
The 000E (USA only)/0007 (Canada only),000B,0013and0015
warning lamps in the instrumentc luster also light up.
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. Display messages
241On-board computer and displays Z
Display messages Possible causes/consequences and
0003 Solutions
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP
®
is no toperational, 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. 000B
Currently
Unavailable See
Operator's Manual ESP
®
,B AS, PRE-SAFE ®
, the HOLD functio nand hill start assist are
temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the 000Band0013 warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
The self-diagnosis functio nmight 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 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. 242
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0003 Solutions
000B
Inoperative See
Operator's Manual ESP
®
,B AS, PRE-SAFE ®
, the HOLD functio nand hill start assist are
unavailable due to a malfunction.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the 000Band0013 warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continue sto 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. 00080015
000B
Inoperative See
Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS, PRE-
SAFE ®
, the HOLD function and hill start assist are unavailable due
to a malfunction.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the 000B,0013and0015 warning lamps light up in
the instrument cluster and a warning tone sounds.
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. 0005(USA
only)000B(Canada
only)
Please Release Parking Brake The red
0005(USA only)/000B (Canada only) indicator lamp
flashes and a warning tone sounds. Acondition for automatic
release of the electric parking brake is not fulfilled (Y page 176).
You are driving with the electric parking brake applied.
X Release the electric parking brake manually. Display messages
243On-board computer and displays Z