
Text field
:shows the selected menu or
submenu as well as display messages.
i You can set the time using the audio sys-
tem or COMAND Online; see the separate
operating instructions.
Vehicles with manual transmission: the
indicators in the lower part of the multifunc-
tion display differ from the display shown
here.
The following messages can appear in the
multifunction display:
Z Gearshift recommendation
(Ypage 155)
¯ Cruise control (Y page 173)
È SPEEDTRONIC (Y page 176)
è Rear window wiper
(Ypage 123)
_ Adaptive Main-beam Assist
(Ypage 116)
À ATTENTION ASSIST
(Ypage 201)
¤ ECO start/stop function
(Ypage 150)
Ä Speed Limit Assist
(Ypage 202)
à Lane Keeping Assist
(Ypage 205) or Active Lane
Keeping Assist (Y page 210)
ë HOLD function (Y page 186)
Ä PRE-SAFE®
Brake (Y page 69)
fDSR DSR DSR (Y
page 213)
120 km/h! 120 km/h! Maximum permissible speed
exceeded (only for certain coun-
tries) Menu overview
Operating the on-board computer
(Y page 228). Depending on the equipment fitted in the
vehicle, you can call up the following menus:
R
Trip Trip menu (Y page 230)
R Navi Navi menu (navigation instructions)
(Y page 232)
R Audio
Audio menu (Y page 233)
R Tel
Tel menu (telephone) (Y page 234)
R Assist.
Assist. menu (assistance)
R Serv.
Serv. menu (Y page 238)
R Settings
Settings menu (Ypage 238)
The Audio
Audio ,Navi
Navi andTel
Tel menus differ slightly
in vehicles with an audio system and in vehi-
cles with COMAND Online. The examples
given in this Owner's Manual apply to vehicles
equipped with COMAND Online. Trip menu
Standard display X
Press and hold the %button on the
steering wheel until the Trip Tripmenu with
trip meter :and total distance
recorder ;is shown.
Trip computer "From start" or "From
reset" Example: "From start" trip computer
:
Distance
; Time 230
Displays and operation (12-button multifunction steering wheel)On-board computer and displays

i
You can obtain further information about
suitable mobile phones and connecting
mobile phones via Bluetooth ®
:
R from any Mercedes Benz Service Centre
R on the Internet at: http://
www.mercedes-benz.com/connect G
WARNING
Observe the legal requirements of the country
in which you are currently driving regarding
the use of mobile phones in the vehicle.
If it is permitted to use mobile phones while
the vehicle is in motion, you should only use
them when the road and traffic conditions
allow. Otherwise, you may be distracted from
the traffic conditions, cause an accident and
injure yourself and others.
X Switch on the mobile phone and audio sys-
tem or COMAND Online; see the separate
operating instructions.
X Press the =or; button on the steer-
ing wheel to select the Tel
Tel menu.
You will see one of the following display mes-
sages in the multifunction display:
R Please Please enter
enterPIN
PIN: the mobile phone has
been placed in the mobile phone bracket
and the PIN has not been entered.
When you enter your PIN via the mobile
phone, LINGUATRONIC, the audio system
or COMAND Online, the mobile phone
searches for a network.
R Telephone Telephone ready
readyor the name of the net-
work provider: the mobile phone has found
a network and is ready to receive.
R Telephone No service Telephone No service : there is no net-
work available or the mobile phone is
searching for a network.
Accepting a call If someone calls you when you are in the
Tel Tel
menu, a display message appears in the
multifunction display, for example: X
Press the 6button on the steering
wheel to accept an incoming call.
You can accept a call even if you are not in
the Tel Tel menu.
Rejecting or ending a call X
Press the ~button on the steering
wheel.
You can end or reject a call even if you are not
in the Tel Telmenu.
Dialling a number from the phone book X
Press the =or; button on the steer-
ing wheel to select the Tel
Telmenu.
X Press the 9,:ora button to
switch to the phone book.
X Press the 9or: button to select the
desired name.
or
X To begin rapid scrolling: 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 the6ora button
to start dialling.
or
X If there is more than one number for a
particular name: press the6ora
button to display the numbers.
X Press the 9or: button to select the
number you want to dial.
X Press the 6ora button to start dial-
ling. Displays and operation (12-button multifunction steering wheel)
235On-board computer and displays Z

Engine (4-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
MSolutions Top up
Top up
coolant coolant The coolant level is too low.
X
Top up the coolant, observing the warning notes before doing
so (Y page 316).
X If the coolant needs topping up more often than usual, have the
engine coolant system checked at a qualified specialist work-
shop. ? The fan motor is faulty.
X
If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic. ?
Stop vehicle Sw. Stop vehicle Sw.
eng. Off eng. Off The coolant is too hot.
A warning tone also sounds.
G WARNING
Never drive with an overheated engine. Driving when your engine
is overheated can cause some fluids which may have leaked into
the engine compartment to catch fire.
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 traf-
fic conditions, and switch off the engine.
X Secure the vehicle against rolling away ( Ypage 164).
X Leave the vehicle and keep a safe distance from the vehicle 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
otherwise be damaged.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 120 †. 264
Display messagesOn-board computer and displays

Engine (12-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
MSolutions +
Top Top
up upcoolant
coolant See
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 before doing
so (Y page 316).
X If the coolant needs topping up more often than usual, have the
engine coolant system checked at a qualified specialist work-
shop. ? The fan motor is faulty.
X
If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous 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
is overheated can cause some fluids which may have leaked into
the engine compartment to catch fire.
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 traf-
fic conditions, and switch off the engine.
X Secure the vehicle against rolling away (Y page 164).
X Leave the vehicle and keep a safe distance from the vehicle 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
otherwise be damaged.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 120 †. Display messages
267On-board computer and displays Z

Tyres (4-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
MSolutions Check
Check
tyres
tyres The tyre pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
G WARNING
With tyre pressures which are too low, there is a risk of the fol-
lowing hazards:
R the tyres may burst, especially as the load and vehicle speed
increase.
R the tyres may wear excessively and/or unevenly, which may
greatly impair tyre traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditions as you do
so.
X Secure the vehicle against rolling away (Y page 164).
X If there is a flat tyre, inspect the tyres (Y page 329).
X Check the tyre pressures and, if necessary, correct the tyre
pressure.
X Restart the tyre pressure loss warning system when the tyre
pressure is correct (Y page 355).Check tyres Check tyres
Restart system
Restart system The tyre pressure loss warning system generated a display mes-
sage and has not been restarted since.
X
Set the correct tyre pressure in all four tyres.
X Restart the tyre pressure loss warning system (Y page 355).Run Flat Indicator Run Flat Indicator
Inoperative
Inoperative The tyre pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. 276
Display
messagesOn-board computer and displays

Tyres (12-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
MSolutions Tyre pressure
Tyre pressure
Check tyres Check tyres The tyre pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
G WARNING
With tyre pressures which are too low, there is a risk of the fol-
lowing hazards:
R the tyres may burst, especially as the load and vehicle speed
increase.
R the tyres may wear excessively and/or unevenly, which may
greatly impair tyre traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditions as you do
so.
X Secure the vehicle against rolling away (Y page 164).
X If there is a flat tyre, inspect the tyres (Y page 329).
X Check the tyre pressures and, if necessary, correct the tyre
pressure.
X Restart the tyre pressure loss warning system when the tyre
pressure is correct (Y page 355).Run Flat Indicator Run Flat Indicator
then restart Run then restart Run
Flat Indicator Flat Indicator The tyre pressure loss warning system generated a display mes-
sage and has not been restarted since.
X
Set the correct tyre pressure in all four tyres.
X Restart the tyre pressure loss warning system (Y page 355).Run Flat Indicator Run Flat Indicator
inoperative
inoperative The tyre pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. Display
messages
277On-board computer and displays Z

Vehicle (4-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
MSolutions To start engine,
To start engine,
shift to P or N shift to P or N You have attempted to start the engine with the transmission in
position Ror D.
X Shift the transmission to position Por N. P
P
Select Park (P) Select Park (P) You have switched off the engine with the Start/Stop button and
opened the driver's door.
You wanted to lock the vehicle.
A warning tone also sounds.
or
You have switched off the engine with the Start/Stop button and
opened the driver's door with the transmission in position N.
X Shift the transmission to position P.A The tailgate is open.
G WARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
X Close the tailgate. ? Vehicles with an anti-theft alarm system: the bonnet is open. A
warning tone also sounds.
G WARNING
The open bonnet may then block your view when the vehicle is in
motion.
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.
X Secure the vehicle against rolling away (Y page 164).
X Close the bonnet. C At least one door is open. A warning tone also sounds.
X
Close all doors. 278
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M
MSolutions Pwr. steering
Pwr. steering
malfunction malfunction The power steering assistance is faulty.
A warning tone also sounds.
G WARNING
You will need to use more force to steer.
There is a risk of an accident.
X Check whether you are able to apply the extra force required.
X If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. Top up Top up
washer fluid washer fluid The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Top up the washer fluid ( Ypage 317). Vehicle (12-button multifunction steering wheel)
Display messages Possible causes/consequences and
M MSolutions To start engine,
To start engine,
shift to either P shift to either P
or N or N You have attempted to start the engine with the transmission in
position
Ror D.
X Shift the transmission to position Por N. P P
Select Park (P) Select Park (P) You have switched off the engine with the Start/Stop button and
opened the driver's door.
You wanted to lock the vehicle.
A warning tone also sounds.
or
You have switched off the engine with the Start/Stop button and
opened the driver's door with the transmission in position N.
X Shift the transmission to position P.A The tailgate is open.
G WARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
X Close the tailgate. Display
messages
279On-board computer and displays Z