Assist MERCEDES-BENZ E-Class COUPE 2013 C207 Repair Manual

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 167).
X Clean the sensors ( Y page 304).
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 194).
X Restart the engine.
If the display message continues to be displayed:
X Visit a qualified specialist workshop.244
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M SolutionsDISTRONIC PLUS
Currently
Unavailable See
Operator's Manual DISTRONIC PLUS is temporarily inoperative. Possible causes are:
R
function is impaired due to heavy rain or snow.
R the sensors in the radiator grill and the bumper are dirty.
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.
A warning tone also sounds.
When the causes stated above no longer apply, the display
message disappears.
DISTRONIC 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 167).
X Clean the sensors in the radiator grill and the bumper
(Y page 304).
X Restart the engine. DISTRONIC PLUS
Inoperative DISTRONIC PLUS is defective.
BAS PLUS (Brake Assist PLUS) and PRE-SAFE
®
Brake may be
inoperative as well.
A warning tone also sounds.
X Visit a qualified specialist workshop. DISTRONIC PLUS
Passive You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal. DISTRONIC PLUS
- - - mph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(Y page 177).246
Display messagesOn-board computer and displays

Safety systems
Problem Possible causes/consequences and
M Solutions$ (USA only)
J (Canada only)
The red brake system
warning
lamp comes on
while the engine is
running. A warning tone
also sounds. There is not enough brake fluid in the brake fluid reservoir.
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 167).
X Do not add brake fluid. Adding more will not remedy the
malfunction.
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction
display. !
The

yellow ABS warning
lamp is lit while the
engine is running. ABS (Anti-lock Brake System) is deactivated due to a malfunction.
BAS (Brake Assist), BAS PLUS, ESP
®
(Electronic Stability
Program), PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD function and
hill start assist are therefore also deactivated, for example.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®


is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.
If the ABS control unit is faulty, there is also a possibility that other
systems, such as the navigation system or the automatic
transmission, will not be available. 258
Warning and indicator lamps in the instrument cluster
On-board computer and displays

Problem Possible causes/consequences and
M Solutions!
The
yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds. EBD is not available due to a malfunction. Therefore, ABS, BAS,
BAS PLUS, ESP
®
, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD
function and hill start assist are also unavailable, for example.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®


is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. $ (USA only)
J (Canada only)
äå!
The red brake warning
lamp, the yellow ESP
®
and ESP ®
OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running. ABS and ESP
®
are not available due to a malfunction. Therefore,
BAS, BAS PLUS, EBD, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD
function

and hill start assist, for example, are not available either.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®


is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
259
On-board computer and displays Z

Problem Possible causes/consequences and
M Solutionsä
The yellow ESP
®
warning lamp flashes
while the vehicle is in
motion. ESP
®
or traction control has intervened because there is a risk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLUS is deactivated.
X When pulling away, only depress the accelerator pedal as far as
necessary.
X Ease off the accelerator pedal while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
For exceptions, see: ( Y page 66).å
The yellow ESP
®
OFF
warning

lamp is lit while
the engine is running. ESP
®
is deactivated.
G WARNING
If ESP ®
is switched off, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Reactivate ESP ®
.
For exceptions, see: ( Y page 66).
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Drive on carefully.
X Have ESP ®
checked at a qualified specialist workshop. äå
The yellow ESP
®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. ESP
®
, BAS, BAS PLUS, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD
function
and hill start assist are not available due to a malfunction.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®


is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.260
Warning and indicator lamps in the instrument cluster
On-board computer and displays

not carried out, the system may not be
activated.
If you have questions about the activation,
contact one of the following telephone
assistance services:
R
USA: Mercedes-Benz Customer
Assistance Center under
1-800-FOR-MERCedes
(1-800-367-6372)
or 1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
Shortly after successfully registering with the
mbrace service (Canada: TELEAID), a user ID
and password will be sent to you by post. USA
only: you can use this password to log onto
the mbrace area under "Owners Online" at
http://www.mbusa.com .
The mbrace system is available if:
R it has been activated and is operational
R the corresponding mobile phone network
is available for transmitting data to the
Customer Center
R a service subscription is available
R the starter battery is sufficiently charged
i Determining the location of the vehicle on
a map is only possible if:
R GPS reception is available
R the vehicle position can be forwarded to
the Customer Assistance Center
The mbrace system To adjust the volume during an mbrace call,
proceed as follows:
X
Press the W or X button on the
multifunction steering wheel.
or
X Use the volume controller of the audio
system/COMAND. The mbrace system provides various
services, e.g.:
R
automatic and manual emergency call
R Roadside Assistance call
R MB Info call
USA only: you can find information and a
description of all available features under
"Owners
Online" at http://www.mbusa.com.
System self-test After you have switched on the ignition, the
system carries out a self-diagnosis.
A malfunction in the system has been
detected if one of the following conditions
occurs:
R
the indicator lamp in the SOS button does
not come on during the system self-test.
R the indicator lamp in the F Roadside
Assistance button does not light up during
self-diagnosis of the system.
R the

indicator lamp in the ï MB-Info call
button does not light up during self-
diagnosis of the system.
R the indicator lamp in one or more of the
following buttons continues to light up red
after the system self-diagnosis:
-SOS button
- Roadside Assistance call button F
- MB Info call button ï
R The mbrace Inoperative or mbrace
Service Not Activated message
appears in the multifunction display after
the system self-diagnosis.
If a malfunction is indicated as outlined
above, the system may not operate as
expected. In the event of an emergency,
assistance must be summoned by other
means.
Have the system checked at the nearest
authorized Mercedes-Benz Center or contact
the following service hotlines:
R USA: Mercedes-Benz Customer Assistance
center at278
Features
Stowage and features

1-800-FOR-MERCedes (1-800-367-6372)
or 1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
Emergency call Important safety notes
G
WARNING
If the indicator lamp in the SOS button is
flashing continuously and no voice
connection with the Response center has
been established, then the mbrace system
has
not been able to initiate an emergency call
(e.g. the relevant mobile phone network is not
available).
The Call Failed message is displayed in the
multifunction display and must be confirmed.
Should this occur, assistance must be
summoned by other means.
! A license agreement must exist in order
to activate the mbrace service. Ensure that
your system is activated and ready for use,
and press the ï MB Info call button to
register. If any of the steps mentioned is
not carried out, the system may not be
activated.
If you have questions about the activation,
contact one of the following telephone
assistance services:
R USA: Mercedes-Benz Customer
Assistance Center under
1-800-FOR-MERCedes
(1-800-367-6372) or 1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
An emergency call is dialed automatically if
an air bag or Emergency Tensioning Device is
triggered.
i You cannot end an automatically
triggered emergency call yourself.
An emergency call can also be initiated
manually. As soon as the emergency call has been
initiated,

the indicator lamp in the SOS button
flashes. The Connecting Call message
appears on the multifunction display.
The audio output is muted.
Once the connection has been made, the
Call Connected message appears in the
multifunction display.
All important information on the emergency
is transmitted, for example:
R current location of the vehicle (as
determined by the GPS system)
R vehicle identification number
R information on serious accidents
Shortly after the emergency call has been
initiated, a voice connection is automatically
established between the Mercedes-Benz
Customer Assistance Center and the vehicle
occupants. If the vehicle occupants respond,
the Mercedes-Benz Customer Assistance
Center attempts to get more information on
the emergency.
i If there is no response from the vehicle
occupants, an ambulance is immediately
sent to the vehicle.
Making an emergency call G
WARNING
If you feel at any way in jeopardy when in the
vehicle (e.g. smoke or fire in the vehicle,
vehicle in a dangerous road location), please
do not wait for voice contact after you have
pressed the SOS button. Carefully leave the
vehicle and move to a safe location. The
Response Center will automatically contact
local emergency officials with the vehicle's
approximate location if they receive an
automatic

SOS signal and cannot make voice
contact with the vehicle occupants. Features
279
Stowage and features Z

X
To initiate an emergency call
manually: press cover : briefly to open.
X Press SOS button ; briefly.
The indicator lamp in SOS button ;
flashes until the emergency call is
concluded.
X Wait for a voice connection to the
Mercedes-Benz Customer Assistance
Center.
X After the emergency call, close cover :.
Roadside Assistance button X
Press Roadside Assistance button :.
This initiates a call to the Mercedes-Benz
Customer
Assistance Center. The indicator
lamp in Roadside Assistance button :
flashes while the call is active. The
Connecting Call message appears on
the multifunction display. The audio output
is muted.
If a connection can be made, the Call
Connected message appears in the
multifunction display. If a cellular phone network is available and
there

is sufficient GPS reception, the mbrace
system transmits data to the Mercedes-Benz
Customer Assistance Center, for example:
R current location of the vehicle
R vehicle identification number
i The COMAND display shows that an
mbrace 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.
A voice connection is established between
the Mercedes-Benz Customer Assistance
Center and the vehicle occupants.
From the vehicle remote malfunction
diagnosis, the Mercedes-Benz Customer
Assistance center can ascertain the nature of
the problem ( Y page 284).
The Mercedes-Benz Customer Assistance
Center either sends a qualified Mercedes-
Benz technician or organizes 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. Further details are available in your
mbrace manual.
i The mbrace system failed to initiate a
Roadside Assistance call if:
R the indicator lamp for Roadside
Assistance call button : is flashing
continuously
R no voice connection to the Mercedes-
Benz Customer Assistance Center was
established
This may be because the corresponding
mobile phone network is not available.
The Call Failed message appears in the
multifunction display. 280
Features
Stowage and features

X
To end a call: press the ~ button on the
multifunction steering wheel.
or
X Press the corresponding button for ending
a phone call on COMAND.
MB Info call button X
Press MB Info call button :.
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 Call message appears on
the multifunction display. The audio system
is muted.
If a connection can be made, the Call
Connected message appears in the
multifunction display.
If a cellular phone network is available and
there

is sufficient GPS reception, the mbrace
system transmits data to the Mercedes-Benz
Customer Assistance Center, for example:
R current location of the vehicle
R vehicle identification number
i The COMAND display shows that an
mbrace 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.
A voice connection is established between
the Mercedes-Benz Customer Assistance
Center and the vehicle occupants. You can obtain information on how to operate your
vehicle's systems, on the location of the
nearest authorized Mercedes-Benz Center,
and

on further products and services offered
by Mercedes-Benz USA.
USA only: you can find further information on
the mbrace system under "Owners Online" at
http://www.mbusa.com.
i The mbrace system failed to initiate an
MB Info call if:
R the indicator lamp in MB Info call
button : is flashing continuously
R no voice connection to the Mercedes-
Benz Customer Assistance Center was
established
This may be because the corresponding
mobile phone network is not available.
The Call Failed message appears in the
multifunction display.
X To end a call:
press the ~ button on the
multifunction steering wheel.
or
X Press the corresponding button for ending
a phone call on COMAND.
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
emergency

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:
R the ~ button on the multifunction
steering wheel
R or the corresponding COMAND button for
ending a telephone call
i If an mbrace call is initiated, audio output
is muted. The mobile phone is no longer
connected to COMAND. However, if you Features
281
Stowage and features Z

want to use your mobile phone, do so only
when
the vehicle is stationary and in a safe
location.
Downloading destinations in COMAND Downloading destinations
Downloading destinations gives you access
to a data bank 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)/
important destinations in the vicinity.
Furthermore, you can download routes with
up to 20 way points.
You are prompted to confirm route guidance
to the address entered.
The system calculates the route and
subsequently starts the route guidance with
the address entered.
i If you select No, the address can be stored
in the address book.
i The Destination Download function is
available if the corresponding mobile
phone network is available and data
transfer is possible.
i You can only use the Destination
Download function if the vehicle is
equipped with a navigation system.
Route Assistance
This service is part of the mbrace PLUS
Package and cannot be purchased
separately.
i You can also use the Route Assistance
function if your vehicle is not equipped with
a navigation 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
current route section.
Search & Send
General notes
i
To use "Search & Send", your vehicle
must be equipped with mbrace and a
navigation system. You must also have an
mbrace service subscription.
"Search & Send" is a destination entry
service.
A destination address which is found
on Google Maps ®
can be transferred via
mbrace directly to your vehicle's navigation
system.
Specifying and sending the destination
address
X Go to the website http://
www.maps.google.com and enter a
destination address into the entry field.
X To send the destination address to the
e-mail address of your mbrace
account: click on the corresponding
button.
i Example:
If you select 'Send to vehicle' and then
'Mercedes-Benz', the destination address
will be sent to your vehicle.
X When the "Send" dialog window appears:
In the relevant field, enter the e-mail
address which you specified when
activating your mbrace account.
X Click "Send".
i Information on specific commands such
as "Address entry" or "Sending" can be
found on the website.
Calling up destination addresses
X Switch on the ignition.
The destination address is loaded into the
vehicle's navigation system.282
Features
Stowage and features