R
you have switched on the turn signals. In
this event, the warnings are suppressed
for a certain period of time.
R a driving safety system intervenes, e.g.
ABS, BAS or ESP ®
.
R you accelerate hard, e.g. kickdown.
R you brake hard.
R you steer actively, e.g. swerve to avoid
an obstacle or change lane quickly.
R you cut the corner on a sharp bend.224
Driving systems
Driving and parking
Multifunction display
Example: multifunction display for DIRECT SELECT
automatic transmission
:
Description field
; Menu bar
= Drive program (Y page 162)
? Transmission position ( Y page 161)
A Permanent display: outside temperature
or speed ( Y page 238)
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.
The following messages may appear in the
multifunction display:
XjY Parking Guidance (Y page 205)
CRUISE Cruise control (
Y page 183)
_ Adaptive Highbeam Assist
(Y page 127)
À ATTENTION ASSIST (Y page 210)
¤ ECO start/stop function
(Y page 157)
à Lane Keeping Assist (Y page 216)
à Active Lane Keeping Assist
(Y page 221)
ë HOLD function ( Y page 196)
Ä PRE-SAFE ®
Brake (Y page 72) Menus and submenus
Menu overview
Press the = or ; button on the
steering wheel to call up the menu bar and
select a menu.
Operating the on-board computer
(Y page 228).
Depending on the equipment installed in the
vehicle, you can call up the following menus:
R Trip menu (Y page 230)
R Navi menu (navigation instructions)
(Y page 232)
R Audio menu (Y page 233)
R Tel menu (telephone) ( Y page 234)
R DriveAssist menu (assistance)
(Y page 236)
R Serv. menu (Y page 238)
R Sett. menu (Y page 238)
R AMG menu in AMG vehicles ( Y page 242) Trip menu
Standard display X
Press and hold the % button on the
steering wheel until the Trip menu with
trip odometer : and odometer ; is
shown. 230
Menus and submenus
On-board computer and displays
Activating/deactivating PRE-SAFE
®
Brake PRE-SAFE
®
Brake is only available in vehicles
with DISTRONIC PLUS.
X Press = or ; on the steering wheel
to select the DriveAssist menu.
X Press the 9 or : button to select
PRE-SAFE Brake.
X Press the a button.
The current selection is displayed.
X To activate/deactivate: press the a
button again.
When PRE-SAFE ®
Brake is activated, the
multifunction
display shows the Ä symbol
as long as the HOLD function is not activated
(Y page 196).
Vehicles with Parking Guidance: if
PARKTRONIC is activated and you are driving
at a speed under 22 mph (35km/h) the j
symbol for Parking Guidance is displayed
instead of the Ä symbol ( Y page 205)
If the PRE-SAFE Brake: Sensors
Deactivated message appears, the radar
sensor system is deactivated.
X Switch on the radar sensor system
(Y page 241).
For more information on PRE-SAFE ®
Brake,
see ( Y page 72).
Activating/deactivating ATTENTION
ASSIST X
Press = or ; on the steering wheel
to select the DriveAssist menu.
X Press 9 or : to select Attention
Assist.
X Press the a button.
The current selection is displayed.
X To activate/deactivate: press the a
button again.
When ATTENTION ASSIST is activated, the
À symbol appears in the multifunction
display when the ignition is on. For further information about ATTENTION
ASSIST, see (
Y page 210).
Activating/deactivating Blind Spot
Assist X
Press = or ; on the steering wheel
to select the DriveAssist menu.
X Press the 9 or : button to select
Blind Spot Asst..
X Press the a button.
The current selection is displayed.
X To activate/deactivate: press the a
button again.
If the Blind Spot Assist Sensors
Deactivated or Act. Blind Spot Asst.
Sensors Deactivated message appears,
the radar sensor system is deactivated.
X Switch on the radar sensor system
(Y page 241).
For further information about Blind Spot
Assist, see (Y page 214).
For further information about Active Blind
Spot Assist, see (Y page 218).
Activating/deactivating Lane Keeping
Assist X
Press = or ; on the steering wheel
to select the DriveAssist menu.
X Press the 9 or : button to select
Lane Keep. Asst.
X Press the a button.
The current selection is displayed.
X Press a to confirm.
When Lane Keeping Assist or Active Lane
Keeping
Assist is activated, the à symbol
appears in the multifunction display when the
ignition is on.
For further information about Active Lane
Keeping Assist, see ( Y page 221). Menus and submenus
237
On-board computer and displays Z
Delayed switch-off of the exterior lighting is
reactivated the next time you start the
engine.
If you have activated the
Surround
Lighting
function and the light switch is set
to Ã, the following functions are activated
when it is dark:
R Surround 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
the automatic headlamp mode is activated
(Y page 121).
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 boot lid/
tailgate, the exterior lighting goes off after
5 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 Front fog 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 = 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 : or 9 to select the Light.
Delay function.
When the Interior Lighting Delay
function
is activated, the vehicle interior is
displayed in red in the multifunction
display.
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 : or 9 to select the Vehicle
submenu.
X Press a to confirm.
X Press : or 9 to select the Auto.
Door Locks function.
When
the Automatic Door Lock function
is activated, the vehicle doors are displayed
in red in the multifunction display.
X Press the a button 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 86).
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 = or ; button on the
steering wheel to select the Sett. menu.
X Press : or 9 to select the Vehicle
submenu.
X Press a to confirm.240
Menus and submenus
On-board computer and displays
Display messages
Introduction
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:
R HOLD function ( Y page 196)
R Parking (Y page 175)
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 the = or ; button on the steering wheel to select the Serv. menu.
If there are display messages, the multifunction display shows 2 Messages, for example.
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.246
Display messages
On-board computer and displays
Display messages Possible causes/consequences and
M SolutionsF(USA
only)J(Canada
only)
Please Release
Parking Brake You are driving with the parking brake applied. A warning tone also
sounds.
X
Release the parking brake. $(USA
only)J(Canada
only)
Check Brake Fluid
Level 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 175).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. #
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop. G
mbrace Inoperative One or more main features of the mbrace system are
malfunctioning.
X
Have the mbrace system checked immediately at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual
Important functions of PRE-SAFE
®
have failed. All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. Display messages
249
On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutionsb
Rear Fog Lamp The rear fog lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 130).
or
X Visit a qualified specialist workshop. b
Check Front Left
Parking
LamporCheck Front
Right Parking Lamp The front left or front right parking or standing lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 130).
or
X Visit a qualified specialist workshop. b
Check
Left Reverse
Lamp or Check
Right Reverse Lamp The left or right-hand backup lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 130).
or
X Visit a qualified specialist workshop. b
Check Front Left
Sidemarker Lamp
or
Check Front Right
Sidemarker Lamp The left or right front side marker lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 130).
or
X Visit a qualified specialist workshop. b
Check Rear Left
Sidemarker Lamp
or
Check Rear Right
Sidemarker Lamp The rear left or right side marker lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 130).
or
X Visit a qualified specialist workshop. b
Check
Left Daytime
Running Light or
Check Right
Daytime Running
Light The left-hand or right-hand daytime running lamp is faulty.
X
Check whether you are permitted to replace the bulb yourself
(Y page 130).
or
X Visit a qualified specialist workshop. b
Active Headlamps
Inoperative The active light function is defective.
X
Visit a qualified specialist workshop.256
Display messages
On-board computer and displays
Display messages Possible causes/consequences and
M SolutionsBlind Spot Assist
Currently
Unavailable See
Operator's Manual
or Active Blind
Spot Assist
Currently
Unavailable See
Operator's Manual Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative. Possible causes are:
R
the sensors are dirty.
R function is impaired due to heavy rain or snow.
R the radar sensor system is outside the operating temperature
range.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
The yellow 9 indicator lamps also light up in the exterior
mirrors.
When the causes stated above no longer apply, the display
message disappears.
Blind Spot Assist or Active Blind Spot Assist is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 175).
X Clean the sensors ( Y page 337).
X Restart the engine. Blind Spot Assist
Inoperative or
Active Blind Spot
Assist Inoperative Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow
9 indicator lamps also light up in the exterior
mirrors.
X Visit a qualified specialist workshop. Parking Guidance
Inoperative Parking Guidance is malfunctioning (
Y page 205).
X Restart the engine.
If the display message continues to be displayed:
X Visit a qualified specialist workshop.264
Display messagesOn-board computer and displays