Warning and indicator lamps in the instrument cluster
Braking Problem Possible causes/consequences and
M
MSolutions $
(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
Driving with the red warning lamp displayed could lead to 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 Consult a qualified specialist workshop immediately.
X Observe the additional display messages in the multifunction
display (Y page 161).
Do not add brake fluid. This does not correct the malfunction. F
(USA
only)
!
(Canada
only)
The indicator
lamp for the
electric
parking brake
flashes and/
or the yellow
warning lamp
for the
electric
parking brake
lights up. The electric parking brake is temporarily malfunctioning or
defective.
G WARNING
In this condition, the vehicle is only of limited roadworthiness. This
can lead to an accident.
X Observe the additional display messages in the multifunction
display. G
WARNING
Driving with the brake warning lamp illuminated can result in an accident. Have your brake system
checked immediately if the brake warning lamp stays on. Do not add brake fluid before checking
the brake system.
Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the
brake fluid catching fire. You can be seriously burned. 186
Displays and operationOn-board computer and displays
ProCarManuals.com
Seat belts
Problem Possible causes/consequences and
M
MSolutions 7
After starting
the engine, the
red seat belt
warning lamp
lights up for six
seconds. The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X
Fasten your seat belt (Y page 49).7
After the engine
starts, a warning
tone sounds for
up to six
seconds. The driver's seat belt is not fastened.
G WARNING
If you do not wear the seat belt correctly, it no longer offers the
intended level of protection in the event of an accident. Under
certain circumstances, this could cause severe or even fatal
injuries in the event of an accident.
X Fasten your seat belt (Y page 49).
The warning tone ceases. 7
The red seat belt
warning lamp
lights up after
the engine
starts, as soon
as the driver's
door or the
front-passenger
door is closed. The driver or front passenger has not fastened their seat belt.
G WARNING
If you do not wear the seat belt correctly, it no longer offers the
intended level of protection in the event of an accident. Under
certain circumstances, this could cause severe or even fatal
injuries in the event of an accident.
X Fasten your seat belt (Y page 49).
The warning lamp goes out. There are objects on the front-passenger seat.
G WARNING
If you place objects on the front-passenger seat, the system could
identify the seat as being occupied. In the event of an accident,
the restraint systems on the front-passenger side are triggered.
X Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out. Displays and operation
187On-board computer and displays Z
ProCarManuals.com
For your safety, we strongly recommend that you contact an authorized Mercedes-Benz Center
immediately to have the system checked. Otherwise the SRS may not be activated when needed
in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and
unnecessarily which could also result in injury.
Engine Problem Possible causes/consequences and
M MSolutions ;
The yellow
Check Engine
warning lamp
lights up while
the engine is
running. There may be a malfunction, for example:
R
in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system
The emission limit values may be exceeded and the engine may
be in emergency mode.
X Have the vehicle checked as soon as possible at a qualified
specialist workshop.
i In some states, you must visit a qualified specialist workshop
as soon as the yellow check engine warning lamp lights up. This
is due to the legal requirements in effect in these states. If in
doubt, check whether such legal regulations apply in the state
in which you are currently driving. ;
The yellow
Check Engine
warning lamp
lights up while
the engine is
running. The
smoothness of
the gear change
is restricted. The sub geartrain with the odd gears has failed. The transmission
is in emergency mode.
X
Have the vehicle checked as soon as possible at a qualified
specialist workshop. ç
The red engine
oil temperature
warning lamp
comes on while
the engine is
running. A
warning tone
also sounds. The engine oil temperature has exceeded 284 ‡(140 †).
The engine is not being cooled sufficiently and may be damaged.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Allow the engine to cool down. Displays and operation
191On-board computer and displays Z
ProCarManuals.com
Problem Possible causes/consequences and
M
MSolutions ç
The red engine
oil temperature
warning lamp
comes on while
the engine is
running. The
engine oil
temperature is
not displayed. The engine control unit data transfer is malfunctioning.
X
Visit a qualified specialist workshop. 7
The yellow
reserve fuel
warning lamp
lights up while
the engine is
running. The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station. 7
The yellow
reserve fuel
warning lamp
flashes while the
engine is
running. The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Check that the fuel filler cap is correctly closed.
X If the fuel filler cap is not correctly closed: close the fuel filler
cap.
X If the fuel filler cap is closed: visit a qualified specialist
workshop. G
WARNING
Driving when your engine is overheated can cause some fluids which may have leaked into the
engine compartment to catch fire. You could be seriously burned.
Steam from an overheated engine can cause serious burns which can occur just by opening the
engine hood. Stay away from the engine if you see or hear steam coming from it.
Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the
vehicle and do not stand near the vehicle until the engine has cooled down.
! If the coolant temperature exceeds 248 ‡(120 †) do not continue driving. The engine will
otherwise be damaged. 192
Displays and operationOn-board computer and displays
ProCarManuals.com
Features
Cup holder
Important safety notes G
WARNING
In order to help prevent spilling liquids on
vehicle occupants and/or vehicle equipment,
only use containers that fit into the cup
holder. Use lids on open containers and do
not fill containers to a height where the
contents, especially hot liquids, could spill
during braking, vehicle maneuvers, or in an
accident. Liquids spilled on vehicle occupants
may cause serious personal injury. Liquids
spilled on vehicle equipment may cause
damage not covered by the Mercedes-Benz
Limited Warranty.
When not in use, keep the cup holder closed.
An open cup holder may cause injury to you
or others when contacted during braking,
vehicle maneuvers, or in an accident.
Keep in mind that objects placed in the cup
holder may come loose during braking,
vehicle maneuvers, or in an accident and be
thrown around in the vehicle interior. Objects
thrown around in the vehicle interior may
cause an accident and/or serious personal
injury.
Cup holder in the center console Example: Coupe
X
Open the armrest (Y page 197).
Cup holders :are under the armrest. Sun visors
Overview of sun visors G
WARNING
Do not use the vanity mirror while driving.
Keep the vanity mirrors in the sun visors
closed while the vehicle is in motion.
Reflected glare can endanger you and others. Example: Coupe
:
Mirror light
; Bracket
= Retaining strip, e.g. for a parking lot ticket
? Vanity mirror
A Mirror cover
Vanity mirror in the sun visor Mirror light
:only functions if the sun visor
is clipped into bracket ;and mirror cover
A has been folded up.
Glare from the side Example: Coupe198
FeaturesStowage and featu
res
ProCarManuals.com
X
Fold down the sun visor.
X Pull the sun visor out of bracket ;.
X Swing the sun visor to the side.
X Slide the sun visor horizontally as desired. Ashtray
i You can remove the ashtray insert and
use the resulting compartment for
stowage.
! The stowage space under the ashtray is
not heat resistant. Before placing lit
cigarettes in the ashtray, make sure that
the ashtray is properly engaged. Otherwise,
the stowage space could be damaged. Example: Coupe
X
To open: briefly press the middle of
cover :.
The stowage compartment opens.
X To remove the insert: slide insert;
forwards in the direction of the arrow.
X Remove insert ;.
X To re-install the insert: place insert;
into the holder and press it in the opposite
direction of the arrow until it engages.
X To close: fold down cover :. Cigarette lighter
G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts. G
WARNING
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
Make sure any children traveling with you do
not injure themselves or start a fire with the
hot cigarette lighter. Features
199Stowage and features Z
ProCarManuals.com
Example: Coupe
X
Select key position 2with the Start/Stop
button.
X To open: briefly press the middle of
cover :.
The stowage compartment opens.
X Press in cigarette lighter ;.
Cigarette lighter ;will pop out
automatically when the heating element is
red-hot.
X To close: fold down cover :. 12 V sockets
Points to observe before use X
Turn the SmartKey to position 1in the
ignition lock (Y page 113).
The sockets can be used for accessories with
a maximum current draw of 180 W (15 A), e.g.
lamps or chargers for mobile phones.
If you use the sockets for long periods when
the engine is switched off, the battery may
discharge.
i You can also use the sockets when the
ignition is switched off. An emergency cut-
out ensures that the on-board voltage does
not drop too low. If the on-board voltage is
too low, the power to the sockets is
automatically cut. This ensures that there
is sufficient power to start the engine. Socket in the glove box
X
Open the glove box (Y page 196).
Lift up the cover of socket :.
Socket on the center console !
If accessories are connected, make sure
that a maximum current draw of 15 A is not
exceeded. Otherwise, you will overload the
fuse. Example: Coupe
X
To open: briefly press the middle of
cover :.
The stowage compartment opens.
X Lift up the cover of socket ;.
X To close: fold down cover :.200
FeaturesSto
wage an d features
ProCarManuals.com
mbrace
7
Important safety notes !
You must have a license agreement to
activate the mbrace service. Ensure that
your system is activated and ready for use,
and press the ïMB Info call button to
register. If one of these steps is not carried
out, it may not be possible to activate the
system.
If you have questions about the activation,
contact one of the following telephone
hotlines:
R USA: Mercedes-Benz Customer
Assistance center at
1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
R Canada: Customer Service at
1-888-923-8367
Shortly after successfully registering with the
mbrace service, a user ID and password will
be sent to you by mail. You can use this
password to log onto the mbrace area under
"Owners Online" at http://
www.mbusa.com 8
.
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 there is sufficient
GPS reception and the vehicle position can
be forwarded to the Customer Center. The mbrace system The mbrace system provides various
services, e.g.:
R
automatic and manual emergency call
R Roadside Assistance call
R MB Info call
To adjust the volume during an mbrace call,
proceed as follows:
X Press the WorX button on the
multifunction steering wheel.
or
X Use the volume controller of COMAND.
You can find further information and a
description of all available features under
"Owners Online" at http://
www.mbusa.com 9
.
Self-diagnosis of the system 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 light up during the system self-
diagnosis.
R the indicator lamp in the FRoadside
Assistance button does not light up during
the system self-diagnosis.
R the indicator lamp in the ïinformation
button does not light up during self-
diagnosis of the system.
R the indicator lamp in the SOS button, the
F Roadside Assistance button or the
ï information button continues to light
up red after the system self-diagnosis.
R the Tele
Tele Aid AidInoperative
Inoperative orTele
Tele Aid
Aid
Not Activated
Not Activated message appears in the
multifunction display after the system self-
diagnosis.
7 The system is called TELE AID in Canada.
8 USA only.
9 USA only. Features
201Stowage an d features Z
ProCarManuals.com