X
Press the = or ; button on the
steering wheel to select the Settings
menu.
X Press the 9 or : button to select
Day Running Lights.
X Press the a button to confirm.
X To activate/deactivate: press a
again.
Switching Adaptive Highbeam Assist
on/off X
Press the = or ; button on the
steering wheel to select the Settings
menu.
X Press the : or 9 button to select
Adapt. High-beam Asst..
X Press the a button to confirm.
X To activate/deactivate: press a
again.
Switching the additional speedometer
on or off An additional digital speedometer can be
shown in the multifunction display.
Vehicles with a kilometer speedometer: the
digital speedometer has mph units.
Vehicles
with a miles speedometer: the digital
speedometer has km/h units.
X Press the = or ; button on the
steering wheel to select the Settings
menu.
X Press 9 or : to select Add.
Speedometer.
X Press the a button to confirm.
X Press the a button to save the setting.
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. The selected unit of measurement for
distance applies to:
R
the analog speedometer
R the digital speedometer in the Trip menu
R the odometer and the trip odometer
R the trip computer
R the
navigation instruction in the Navi menu
R DISTRONIC PLUS
R ASSYST PLUS service interval display
The digital speedometer shows alternative
speed units ( Y page 386).
X Press the = or ; button on the
steering wheel to select the Settings
menu.
X Press the 9 or : button to select
Units.
X Press the a button to confirm.
X Press the a button to save the setting.
The unit switches between km/h and mph.
Switching the belt adjustment on/off For further information on belt adjustment
(Y page 60).
X
Press the = or ; button on the
steering wheel to select the Settings
menu.
X Press the 9 or : button to select
Belt Adjustment.
X Press the a button to confirm.
X To activate/deactivate: press a
again.
Activating/deactivating the acoustic
locking verification signal If you activate the Acoustic Lock Feedb.
function,
an audible signal sounds depending
on the vehicle's date of manufacture:
R when locking
or
R once when unlocking and three times when
locking386
Menus and submenus
On-board computer and displays
X
Press the = or ; button on the
steering wheel to select the Settings
menu.
X Press the 9 or : button to select
Acoustic Lock Feedb.
X Press the a button to confirm.
X To activate/deactivate: press a
again.
Activating/deactivating the radar
sensor system The following systems are switched off when
the radar sensor system is deactivated:
R
DISTRONIC PLUS (Y page 332)
R BAS PLUS
(Y page 70)
R PRE-SAFE ®
Brake (Y page 73)
R Blind Spot Assist (Y page 360)
R Active Blind Spot Assist (Y page 364)
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.
i Canada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions:
1. This device may not cause harmful
interference, and
2. this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment. X
Press the = or ; button on the
steering wheel to select the Settings
menu.
X Press 9 or : to select Radar
sensors.
X Press the a button to confirm.
X To activate/deactivate: press a
again. Menus and submenus
387
On-board computer and displays Z
Display messages
General notes
G
WARNING
All categories of messages contain important information which should be taken note of and,
where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-Benz
Center.
Failure to repair the condition noted may cause damage not covered by the Mercedes-Benz
Limited Warranty, or result in property damage or personal injury.
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 you stop and park the vehicle, please observe the notes on the HOLD function
(Y page 342) and parking ( Y page 323).Hiding display messages
You can hide some display messages with a low priority.
X Press the a or % button on the steering wheel to hide the display message.
The display message is cleared.
Display messages with a low priority are shown in either yellow or white.
Display messages with a high priority are shown in red.
You cannot hide display messages of the highest priority. 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. You can call up the display messages
in the message memory.
X Press the = or ; button on the steering wheel to select the Service 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 Confirm with a.
X Press the 9 or : button to scroll through the display messages.
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. 388
Display messages
On-board computer and displays
Safety systems
Display messages Possible causes/consequences and
M Solutions!÷
Currently
Unavailable See
Oper. Manual G
Risk of accident
ABS (Anti-lock Braking System), ESP ®
(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ®
, the HOLD function and
hill start assist are temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the ÷, å and ! warning lamps light up in
the instrument cluster.
The self-diagnosis function might not be complete, for example.
ATTENTION ASSIST 20
is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Carefully drive a suitable distance 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. G
Risk of accident
ABS, ESP ®
, BAS, PRE-SAFE ®
, the HOLD function and hill start
assist are temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the ÷, å and ! warning lamps light up in
the instrument cluster.
For example, the on-board voltage may be insufficient.
ATTENTION ASSIST 20
is deactivated.
The
brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Drive on carefully.
If the display message disappears, the functions mentioned
above are available again. 20
Not available on hybrid vehicles. Display messages
389
On-board computer and displays Z
Display messages Possible causes/consequences and
M SolutionsIf the display message continues to be displayed:
X
Drive on carefully.
X Visit a qualified specialist workshop. !÷
Inoperative See
Oper. Manual G
Risk of accident
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 $ (USA only)/ J (Canada only), ÷, å
and ! warning lamps in the instrument cluster also light up.
The
brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTION ASSIST 20
is deactivated.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. ÷
Currently
Unavailable See
Oper. Manual G
Risk of accident
ESP ®
,
BAS, PRE-SAFE ®
, the HOLD function and hill start assist are
temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the ÷ and å warning lamps light up in the
instrument cluster.
The self-diagnosis function might not be complete, for example.
ATTENTION ASSIST 20
is deactivated.
The brake system continues to function normally, but without the
functions listed above.
X Carefully drive a suitable distance 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. 20
Not available on hybrid vehicles.390
Display messages
On-board computer and displays
Display messages Possible causes/consequences and
M SolutionsG
Risk of accident
If the display message is shown and the ÷ warning lamp flashes
at the same time, the Electronic Traction System is deactivated.
Otherwise, the brakes on the drive wheels could overheat.
X Let the brakes cool down until the display message disappears
and the ÷ warning lamp goes out.
The Electronic Traction System is activated again. ÷
Inoperative See
Oper. Manual G
Risk of accident
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 ÷ and å warning lamps light up in the
instrument cluster.
ATTENTION ASSIST 20
is deactivated.
The brake system continues to function normally, but without the
functions listed above.
X Drive on carefully.
X Visit a qualified specialist workshop. å
System Inoperative G
Risk of accident
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 ÷ and å warning
lamps light up in the instrument cluster.
ATTENTION ASSIST 20
is deactivated.
X Drive on carefully.
X Visit a qualified specialist workshop. 20
Not available on hybrid vehicles. Display messages
391
On-board computer and displays Z
Display messages Possible causes/consequences and
M SolutionsT!
÷
Inoperative See
Oper. Manual G
Risk of accident
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 ÷, å and ! warning lamps light up in
the instrument cluster and a warning tone sounds.
ATTENTION ASSIST 20
is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. #
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop. F(USA
only)!(Canada
only)
Please Release
Parking Brake The red
F (USA only)/ ! (Canada only) indicator lamp
flashes and a warning tone sounds.
You are driving with the electric parking brake applied.
X Release the electric parking brake.
or
X Pull away carefully ( Y page 324). The red
F (USA only)/ ! (Canada only) indicator lamp
flashes and a warning tone sounds.
You are making an emergency stop using the electric parking
brake ( Y page 324).
X After the emergency stop: release the electric parking brake
lever. 20
Not available on hybrid vehicles.392
Display messages
On-board computer and displays
Display messages Possible causes/consequences and
M SolutionsThe red
F (USA only)/ ! (Canada only) indicator lamp
flashes, the yellow F (USA only)/ ! (Canada only) warning
lamp lights up and a warning tone sounds.
The electric parking brake is malfunctioning and the braking effect
is restricted.
While the vehicle is in motion:
X Release the electric parking brake handle.
While the vehicle is stationary:
X Switch off the ignition and turn it back on.
X Release the electric parking brake.
If the display message continues to be displayed:
X Shift the transmission to P.
X Use the folding wheel chock (Y
page 474) from the vehicle tool
kit to secure the vehicle against rolling away.
X Consult a qualified specialist workshop. F(USA
only)!(Canada
only)
Parking Brake See
Oper. Manual The yellow
F (USA only)/ ! (Canada only) warning lamp
lights up. Additionally, the red F (USA only)/ ! (Canada
only) indicator lamp may light up.
The electric parking brake is malfunctioning.
To release:
X Pull the electric parking brake handle.
or
X Pull away carefully.
X Visit a qualified specialist workshop.
To apply:
X Switch off the ignition.
X Pull the electric parking brake lever for at least ten seconds,
until the display message disappears.
If the display message continues to be displayed:
X Shift the transmission to P.
X Use the folding wheel chock (Y
page 474) from the vehicle tool
kit to secure the vehicle against rolling away.
X Consult a qualified specialist workshop. Display messages
393
On-board computer and displays Z