Display messagesPossible causes/consequences andMSolutions
DTR+: Steering
Assist.Currently
Unavailable See
Operator' sManual
Steerin gAssis tand Stop&Go Pilo tare temporarily inoperative.
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
Rthere hav ebeen no lan emarking sfo ran extended period.
Rth elan emarking sare worn, dark or covered, e.g. by dir tor snow.
Whe nth ecauses state dabov eno longer apply, th edisplay mes -
sage disappears.
Steerin gAssis tand Stop&Go Pilo tare operative again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 170).
XClean th ewindshield.
DTR+: Steering
Assist .Inopera‐
tiv e
Steerin gAssis tand Stop&Go Pilo tare faulty.
However, th eDISTRONIC PLU Sfunction sare still available.
A warnin gtone also sounds.
XVisit aqualified specialist workshop .
Cruise Control
Inoperative
Cruisecontrol is malfunctioning.
A warnin gtone also sounds.
XVisit aqualified specialist workshop .
Cruise Control
- - -mph
Acondition fo ractivatin gcruise control has no tbeen fulfilled .
You hav etried to store aspeed belo w20 mph (30 km/ h), for
example.
XIf conditions permit, drive faster than 20 mph (30 km/ h)and
store the speed.
XCheck the activation conditions for cruise control (Ypage 179).
278Display messages
On-board computer and displays
Tires
Display messagesPossible causes/consequences andMSolutions
Please Correct
Tire Pressure
The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 369).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 371).
Check TiresThe tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
A warning tone also sounds.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 170).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (
Ypage 342).
XCheck the tire pressure (Ypage 369).
XIf necessary, correct the tire pressure.
Displa y messages279
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
_
LockSeatBackrest
Front Lef torLoc k
SeatBackrest
Front Right
The driver's or fron tpassenger's seat backrest is no tengaged. A
warnin gtone also sounds.
XPush th ebackrest bac kuntil it engages.
Ð
PowerSteeringMal ‐
function See Oper‐
ator's Manual
The powe rsteerin gis malfunctioning.
A warnin gtone also sounds.
GWARNIN G
You will need to use mor eforc eto steer .
There is aris kof an accident.
XChec kwhether you are able to apply th eextr aforc erequired.
XIf you ar eabl eto steer safely: carefully drive on to aqualified
specialist workshop .
XIf you areunable to steer safely :do no tdrive on .Contac tth e
neares tqualified specialist workshop .
Phone No ServiceYour vehicleis outside th enetwork provider' stransmitter/
receiver range.
XWait until th emobile phone operational readiness symbol
appears in th emultifunction display.
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped
belo wtheminimum .
XAddwasher flui d (Ypage 329).
SmartKey
Display messagesPossible causes/consequences and MSolutions
Â
Key DoesNot
Belong to Vehicl e
You haveput th ewrong SmartKey in th eignition lock.
XUse th ecorrec tSmartKey.
Â
Tak eYourKeyfrom
Ignition
The SmartKey is in th eignition lock.
XRemove th eSmartKey.
Â
Obtain aNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Display messages283
On-board computer and displays
Z
Tires
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
hNThe yellow combination low tire pressure telltale/TPMS malfunction telltale
for the TPMS is lit.
The tire pressure monitor has detected a loss of pressure in at least one of the
tires.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed increase.
Rthey may wear excessively and/or unevenly, which may greatly impair tire
traction.
Rthe driving characteristics, as well as steering and braking, may be greatly
impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking maneuvers.
Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 170).
XObserve the additional display messages in the multifunction display.
XCheck the tires and, if necessary, follow the instructions for a flat tire
(
Ypage 342).
XCheck the tire pressure (Ypage 369).
XIf necessary, correct the tire pressure.
hN The yellow combination low tire pressure telltale/TPMS malfunction telltale
for the TPMS flashes for approximately one minute and then remains lit.
The tire pressure monitor is faulty.
GWARNING
The system is possibly unable to recognize or register low tire pressure.
There is a risk of an accident.
XObserve the additional display messages in the multifunction display.
XVisit a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster297
On-board computer and displays
Z
Vehicle
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
ÐNThe red power steering warning lamp is lit while the engine is running.
The power steering is malfunctioning.
A warning tone also sounds.
GWARNING
You will need to use more force to steer.
There is a risk of an accident.
XCheck whether you are able to apply the extra force required.
XIf you are able to steer safely: carefully drive on to a qualified specialist
workshop.
XIf you are unable to steer safely: do not drive on. Contact the nearest
qualified specialist workshop.
298Warning and indicator lamps in the instrument cluster
On-board computer and displays
This is indicated by the flashing indicator
lamps in the button. The cooling function will
automatically switch back on as soon as there
is sufficient voltage.
Caring for the coolbox
If you do not need to use the coolbox for an
extended period you should switch it off,
defrost it and clean it. After doing so, leave
the lid open for a time.
Removing and installing the coolbox
You can remove the coolbox for maintenance
purposes.
XTo remove: switch off the coolbox.
XPull plug;down and out.
XUnscrew both screws =.
XPull out the coolbox.
XClose flap:.
XTo install: swing flap:to the side until it
is locked in place by the magnets.
XInsert the coolbox.
XTighten both screws =.
XConnect plug;.
mbrace
General notes
The mbrace system is only available in the
USA.
You must have a license agreement to acti-
vate the mbrace service. Make sure that your system is activated and operational. To log in,
press the
ïMB Info call button. If any of
the steps mentioned are not carried out, the
system may not be activated.
If you have questions about the activation,
contact one of the following telephone hot-
lines:
Mercedes-Benz Customer Assistance Center
at 1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
Shortly after successfully registering with the
mbrace service, a user ID and password will
be sent to you by mail. You can use this pass-
word to log onto the mbrace area under "Own-
ers Online" at http://www.mbusa.com.
The system is available if:
Rit has been activated and is operational
Rthe corresponding mobile phone network is
available for transmitting data to the Cus-
tomer Center
Ra service subscription is available
Rthe starter battery is sufficiently charged
Determining the location of the vehicle on a
map is only possible if:
RGPS reception is available.
Rthe vehicle position can be forwarded to
the Customer Assistance Center.
The mbrace system
To adjust the volume during a call, proceed as
follows:
XPress the WorX button on the mul-
tifunction steering wheel.
or
XUse the COMAND volume control.
The system offers various services, e.g.:
RAutomatic and manual emergency call
RRoadside Assistance call
RMB Info call
You can find information and a description of
all available features under "Owners Online"
at http://www.mbusa.com.
Features309
Stowage and features
Z
If a mobile phone network and GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
Rcurrent location of the vehicle
Rvehicle identification number
The COMAND display indicates that a call is
active. During the call, you can change to the
navigation menu by pressing the NAVI button
on COMAND, for example.
Voice output is not available in this case.
A voice connection is established between
the Mercedes-Benz Customer Assistance
Center and the vehicle occupants.
From the remote malfunction diagnosis, the
Mercedes-Benz Customer Assistance Center
can ascertain the nature of the problem
(
Ypage 315).
The Mercedes-Benz Customer Assistance
Center either sends a qualified Mercedes-
Benz technician or makes arrangements for
your vehicle to be transported to the nearest
authorized Mercedes-Benz Center.
You may be charged for services such as
repair work and/or towing.
You can find more information in the separate
mbrace manual.
The system has not been able to initiate a
Roadside Assistance call, if:
Rthe indicator lamp for Roadside Assistance
call button Fis flashing continuously.
Rno voice connection to the Mercedes-Benz
Customer Assistance Center was estab-
lished.
This can occur if the relevant mobile phone
network is not available, for example.
The Call Failed
message appears in the
multifunction display.
XTo end a call: press the~button on the
multifunction steering wheel.
or
XPress the corresponding COMAND button
for ending a phone call.
MB Info call button
XTo call MB Info: press MB Info call but-
ton :.
This initiates a call to the Mercedes-Benz
Customer Assistance Center.
The indicator lamp in MB Info call button :
flashes while the connection is being made.
The Connecting
Callmessage appears in
the multifunction display. The audio output
is muted.
If a connection can be made, the Call Con‐
nectedmessage appears in the multifunction
display.
If a mobile phone network and GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
Rcurrent location of the vehicle
Rvehicle identification number
The COMAND display indicates that a call is
active. During the call, you can change to the
navigation menu by pressing the NAVI button
on COMAND, for example.
Voice output is not available in this case.
A voice connection is established between
the Mercedes-Benz Customer Assistance
Center and the vehicle occupants.
You receive information about operating your
vehicle, about the nearest authorized
Mercedes-Benz Center and about other prod-
ucts and services from Mercedes-Benz.
You can find further information on the
mbrace system under "Owners Online" at
http://www.mbusa.com.
312Features
Stowage and features
The system has not been able to initiate an
MB Info call, if:
Rthe indicator lamp in MB Info call button
ïis flashing continuously.
Rno voice connection to the Mercedes-Benz
Customer Assistance Center was estab-
lished.
This can occur if the relevant mobile phone
network is not available, for example.
The Call Failed
message appears in the
multifunction display.
XTo end a call: press the~button on the
multifunction steering wheel.
or
XPress the corresponding COMAND button
for ending a phone call.
Call priority
When service calls are active, e.g. Roadside
Assistance or MB Info calls, an emergency
call can still be initiated. In this case, an emer-
gency call will take priority and override all
other active calls.
The indicator lamp of the respective button
flashes until the call is ended.
An emergency call can only be terminated by the Mercedes-Benz Customer Assistance
Center.
All other calls can be ended by pressing:
Rthe ~ button on the multifunction steer-
ing wheel
Rthe corresponding button in COMAND to
end the voice call
When a call is initiated, the audio system is
muted.
The mobile phone is no longer connected to
COMAND.
However, if you want to use your mobile
phone, do so only when the vehicle is station-
ary and in a safe location.
Downloading destinations
Downloading destinations
Downloading destinations gives you access
to a database with over 15 million points of
interest (POIs). These can be downloaded on
the navigation system in your vehicle. If you
know the destination, the address can be
downloaded. Alternatively, you can obtain the
location of Points of Interest (POIs)/impor-
tant destinations in the vicinity.
Furthermore, you can download routes with
up to four way points.
You are prompted to confirm route guidance
to the address entered.
XSelect Yesby turning 3or sliding 1
the controller and confirm with 7.
The system calculates the route and sub-
sequently starts the route guidance with
the address entered.
If you select No
the address can be stored in
the address book.
The destination download function is availa-
ble if:
Rthe vehicle is equipped with a navigation
system.
Rthe relevant mobile phone network is avail- able and data transfer is possible.
Route Assistance
This service is part of the mbrace PLUS Pack-
age and cannot be purchased separately.
You can use the route assistance function
even if the vehicle is not equipped with a nav-
igation system.
Within the framework of this service, you
receive a professional and reliable form of
navigation support without having to leave
your vehicle.
The customer service representative finds a
suitable route depending on your vehicle's
current position and the desired destination.
You will then be guided live through the cur-
rent route section.
Features313
Stowage and features
Z