
i
You can obtain further information about
suitable mobile phones and connecting
mobile phones via Bluetooth ®
:
R on the Internet at http://www.mercedes-
benz.com/connect
R at any Mercedes-Benz Service Centre
Accepting a call If someone calls you when you are in the
Tele‐ Tele‐
phone
phone menu, a display message appears in the
multifunction display.
You can accept a call at any time irrespective of
the selected menu.
X Press the 6button on the steering wheel
to accept the call.
Rejects or ends a call X
Press the ~button on the steering wheel
to reject or end the call.
Selecting an entry in the phone book X
Press òon the steering wheel to open the
menu list.
X Press :or9 on the steering wheel to
select the Telephone
Telephone menu.
X Confirm by pressing aon the steering
wheel.
X Press :, 9ora to switch to the
phone book.
X Press :or9 to select the names one
after the other.
or X To start rapid scrolling: press and hold:
or 9 for longer than one second.
The names are displayed quickly one after the
other in the phone book.
If you press and hold the :or9 button
for longer than five seconds, the name with
the next or previous initial letter in the alpha-
bet appears.
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 6ora button to
start dialling.
or X
If there is more than one number for a
name: press the 6ora button to dis-
play the numbers.
X Press :or9 to select the number you
want to dial.
X Press the 6ora button to start dial-
ling.
or
X To exit the telephone book: press the~
or % button briefly.
Redialling The on-board computer saves the last names or
numbers dialled in the redial memory.
X Press òon the steering wheel to open the
menu list.
X Press :or9 on the steering wheel to
select the Telephone Telephone menu.
X Confirm by pressing aon the steering
wheel.
X Press the 6button to switch to the redial
memory.
X Press :or9 to select the desired
name or number.
X Press the 6ora button to start dial-
ling.
or X To exit the redial memory: press the~
or % button briefly. Assistance graphic menu
X
Press òon the steering wheel to open the
menu list.
X Press :or9 on the steering wheel to
select the Assistance graphic Assistance graphic menu. Menus and submenus
239On-board computer and displays Z

X
Switch on the display function for notes and
traffic signs (Y page 241).
X Press òon the steering wheel to open the
menu list.
X Press :or9 on the steering wheel to
select the AMG AMGmenu.
X Confirm by pressing aon the steering
wheel.
X Press the 9button repeatedly until the
Traffic Sign Assist display appears.
G-Meter While the vehicle is in motion, the G-Meter
shows the forces that are exerted on the driver
both laterally and in the direction of travel.
The maximum values are indicated in red in the
guideline system.
X Press òon the steering wheel to open the
menu list.
X Press :or9 on the steering wheel to
select the AMG
AMG menu.
X Confirm by pressing aon the steering
wheel.
X Press the 9button repeatedly until the G-
Meter appears.
The maximum values of the G-Meter are
saved.
X To reset the G-Meter: pressaagain.
X Using :or9 select Yes
Yes on the steer-
ing wheel.
X Press ato confirm.
The maximum values of the G-Meter are
deleted.
If the ignition remains switched off for longer
than four hours, the G-Meter will be automati-
cally reset. SETUP Overview
:
Drive Eco Eco/Comfort Comfort/ Sport
Sport/Sport +Sport+/Man‐
Man‐
ual
ual
; Chassis Comfort
Comfort/Sport Sport/Sport +Sport +
= Steering Comfort
Comfort/Sport Sport
? ECO Start/Stop Active
Active/InactiveInactive/Off Off
A ESP ®
On
On/Off Off or SPORT handling mode
Sport
Sport
SETUP displays the following functions and set- tings:
R Gear indicator
R Digital speedometer
R Drive system setting
R Suspension mode
R Steering setting
R Setting of the ECO start/stop function
R ESP ®
(Electronic Stability Program) status
Select SETUP X Use ò on the steering wheel to call up the
list of menus.
X Press :or9 on the steering wheel to
select the AMG
AMGmenu.
X Confirm by pressing aon the steering
wheel.
X Press 9repeatedly until SETUP appears. 246
Menus and submenusOn-board computer and displays

RACE TIMER
Displaying and starting the RACETIMER
:
Lap
; RACETIMER
The RACETIMER is only intended for use on a
closed race circuit. Do not use the function on
public roads.
You can start the RACETIMER when the engine is running or the ignition is switched on.
X Use ò on the steering wheel to call up the
list of menus.
X Press :or9 on the steering wheel to
select the AMG
AMG menu.
X Confirm by pressing aon the steering
wheel.
X Press :or9 repeatedly until the
RACETIMER appears.
X To start: press the abutton to start the
RACETIMER.
Starting a new lap :
Lap
; RACETIMER
= Quickest lap time X
Press the :or9 button to select New New
Lap Lap.
X Press ato confirm.
A maximum of 32 laps may be stored.
Stopping the RACETIMER X
Press :or9 to select Stop
Stop.
X Press ato confirm.
Continuing the RACETIMER X
Press :or9 to select Continue
Continue .
X Press ato confirm.
Resetting the RACETIMER Menus and submenus
247On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions The yellow
!warning lamp lights up. If you manually apply or
release the electric parking brake, the red !indicator lamp
flashes.
The electric parking brake is malfunctioning. The electric parking
brake cannot be applied manually.
X Shift the transmission to position P, as the electric parking brake is
not applied automatically.
X Consult a qualified specialist workshop.
If it is not possible to release the electric parking brake manually:
X Release the electric parking brake automatically (Y page 169).!
Parking brake inop‐ Parking brake inop‐
erative erative The yellow
!warning lamp lights up. The red !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 over-
voltage or undervoltage.
X Rectify the cause of the overvoltage or undervoltage, e.g. by charg-
ing the battery or restarting the engine.
X Apply or release the electric parking brake.
If the electric parking brake still cannot be applied or released: X Switch off the ignition and switch it back on.
X Apply or release the electric parking brake.
If the electric parking brake still cannot be released: X Consult a qualified specialist workshop.
If the electric parking brake still cannot be applied:
X Consult a qualified specialist workshop. The yellow
!warning lamp lights up and the red !indicator
lamp flashes.
The electric parking brake cannot be applied manually.
X Shift the transmission to position P.
X Consult a qualified specialist workshop. J
Check brake fluid Check brake fluid
level level There is insufficient brake fluid in the brake fluid reservoir.
In addition, the red Jwarning lamp lights up on the instrument
cluster and a warning tone sounds.
G WARNING
Braking efficiency 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.
X Secure the vehicle against rolling away (Y page 167).
X Consult a qualified specialist workshop.
X Do not top up the brake fluid. This does not correct the fault. 254
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions #
Check Check
brake
brakepad
padwear
wear The brake pads/linings have reached their wear limit.
X Consult a qualified specialist workshop. G
Inoperative Inoperative Vehicles with Audio 20 multimedia system:
Malfunction of one or more main functions of the MB Contact system.
X Consult a qualified specialist workshop. G
Inoperative Inoperative Vehicles with COMAND Online multimedia system:
Malfunction of one or more main functions of the Mercedes connect
me system.
X Consult a qualified specialist workshop. Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
currently unavaila‐ currently unavaila‐
ble ble
See
SeeOwner's
Owner's Man‐
Man‐
ual
ual COLLISION PREVENTION ASSIST PLUS is temporarily inoperative.
Possible causes:
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
R The system is outside the operating temperature range
R The on-board voltage is too low.
Once the causes listed above no longer apply, the display message
disappears.
COLLISION PREVENTION ASSIST PLUS is operational again.
If the display message does not disappear:
X Stop the vehicle, paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 167).
X Restart the engine. Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
inoperative inoperative COLLISION PREVENTION ASSIST PLUS is inoperative due to a mal-
function. Adaptive Brake Assist may also have failed.
X Consult a qualified specialist workshop immediately. PRE-SAFE inopera‐ PRE-SAFE inopera‐
tive See Owner's tive See Owner's
Manual Manual
Important PRE-SAFE
®
functions have failed. All other occupant safety
systems, e.g. airbags, remain available.
X Consult a qualified specialist workshop immediately. Display
messages
255On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions PRE-SAFE Functions
PRE-SAFE Functions
currently limited currently limited
See Owner's Manual See Owner's Manual
PRE
‑SAFE ®
PLUS or PRE‑ SAFE®
Brake is temporarily inoperative.
Possible causes:
R The function is impaired due to heavy rain or snow
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
R The system is outside the operating temperature range
R The on-board voltage is too low.
R Mercedes-AMG vehicles: ESP ®
is deactivated
Once the causes listed above no longer apply, the display message
disappears.
PRE ‑SAFE ®
PLUS and PRE ‑SAFE®
Brake are operational again.
If the display message does not disappear:
X Stop the vehicle, paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 167).
X Restart the engine.
X Mercedes-AMG vehicles: reactivate ESP ®
(Y page 75). PRE-SAFE Functions PRE-SAFE Functions
limited limited
See
See Owner's
Owner's
Manual
Manual PRE
‑SAFE ®
PLUS or PRE‑ SAFE®
Brake is unavailable due to a mal-
function. BAS PLUS with Cross-Traffic Assist may also have failed.
X Consult a qualified specialist workshop immediately. 256
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions Radar
Radar
sensors
sensors dirty
dirty
See Owner's Manual
See Owner's Manual The radar sensor system is malfunctioning.
Possible causes:
R Dirt on sensors
R Heavy rain or snow
R Driving on inter-urban roads without traffic or infrastructure, e.g. in
desert-like areas
At least one driving system or driving safety system is malfunctioning
or is temporarily unavailable:
R PRE-SAFE ®
PLUS
R COLLISION PREVENTION ASSIST PLUS
R Active Lane Keeping Assist
R Active Blind Spot Assist
R DISTRONIC PLUS with Steering Assist and Stop&Go Pilot
If the front radar system sensor is dirty, Active Blind Spot Assist will
not perform a course-correcting brake application.
Once the cause of the problem is no longer present, the driving sys-
tems and driving safety systems will be available again. The display
message disappears.
If the display message does not disappear:
X Stop the vehicle, paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 167).
X Switch off the engine.
X Clean all sensors (Y page 335).
X Restart the engine.
The display message disappears. 6
Restraint sys. mal‐ Restraint sys. mal‐
function Consult function Consult
workshop workshop The restraint system is malfunctioning. The
6warning lamp also
lights up on the instrument cluster.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in the event of an accident, may not be triggered.
This poses an increased risk of injury!
X Consult a qualified specialist workshop immediately.
Further information about the restraint system (Y page 41).6
Front left malfunc‐ Front left malfunc‐
tion Consult work‐ tion Consult work‐
shop shop
orFront right
Front right
malfunction
malfunction Consult
Consult
workshop
workshop The front left or right restraint system is malfunctioning. The
6
warning lamp also lights up on the instrument cluster.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in the event of an accident, may not be triggered.
This poses an increased risk of injury!
X Consult a qualified specialist workshop immediately. Display
messages
257On-board computer and displays Z

Engine
Display messages
Possible causes/consequences and
M
MSolutions +
Top up coolant See Top up coolant See
Owner’s Manual Owner’s Manual The coolant level is too low.
! Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X Top up the coolant, observing the warning notes when doing so
(Y page 329).
If you have to top up the coolant frequently: X Contact a qualified specialist workshop and have the engine cooling
system checked. ? The fan motor is faulty.
X If the coolant temperature is below 120 †, drive on to the nearest
qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. ?
Coolant Stop vehi‐ Coolant Stop vehi‐
cle Switch engine cle Switch engine
off off The coolant is too hot.
A warning tone also sounds.
G WARNING
Never drive with an overheated engine. Driving when your engine has
overheated can cause any fluids that may have leaked into the engine compartment to catch fire.
In addition, steam from an overheated engine can cause serious
burns, which can occur just by opening the bonnet.
There is a risk of injury!
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Secure the vehicle against rolling away (Y page 167).
X Wait until the engine has cooled down.
X Make sure that the air supply to the engine radiator is not blocked,
e.g. by frozen slush.
X Do not start the engine again until the display message goes out and
the coolant temperature is below 120 †. The engine may otherwisebe damaged.
X Pay attention to the coolant temperature gauge.
If the temperature increases again:
X Consult a qualified specialist workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 120 †. Display messages
263On-board computer and displays Z