Problem
Possible causes/consequences and
0050
0050Solutions X
Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and add coolant, observing the warning
notes (Y page 281).
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X At coolant temperatures below 248 ‡ (120 †), drive to the
nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in moun-
tainous terrain, and stop-and-go traffic. Driving systems
Problem
Possible causes/consequences and
0050 0050Solutions 00BA
The red distance warn-
ing lamp lights up while
the vehicle is in motion. A warning tone also
sounds. You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
Further information on DISTRONIC PLUS (Y page 171).
Further information on PRE‑ SAFE®
Brake (Y page 67). Warning and indicator lamps
253On-board computer and displays Z
Tires
Problem
Possible causes/consequences and
0050
0050Solutions 0077
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit. The tire pressure monitor has detected a loss of pressure in at
least one of the tires.
G WARNING
With tire pressures which are too low, there is a risk of the fol-
lowing hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire 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
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 161).
X Observe the additional display messages in the multifunction
display.
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 292).
X Check the tire pressure (Y page 318).
X If necessary, correct the tire pressure. 0077
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) flashes for
approximately one
minute and then
remains lit. The tire pressure monitor is faulty.
G WARNING
The system is possibly unable to recognize or register low tire
pressure.
There is a risk of an accident.
X Observe the additional display messages in the multifunction
display.
X Visit a qualified specialist workshop. 254
Warning and indicator lampsOn-board computer and displays
Useful information
i This Operator's manual describes all
models and all standard and optional equip- ment of your vehicle available at the time of
publication of the Operator's manual.
Country-specific differences are possible.
Please note that your vehicle may not be
equipped with all features described. This
also applies to safety-related systems and
functions.
i Read the information on qualified special-
ist workshops (Y page 26). Stowage areas
Stowage space
Important safety notes G
WARNING
If you do not correctly store objects in the
vehicle interior, they can slip or be flung
around, thus striking vehicle occupants.
There is a risk of injury, especially when brak- ing or abruptly changing directions.
R Always store objects so that they cannot be
flung around in these or in similar situa-
tions.
R Always make sure that objects do not pro-
trude from stowage compartments, parcel
nets or stowage nets.
R Close lockable stowage compartments
while driving.
R Stow and secure objects that are heavy,
hard, pointy, sharp-edged, fragile or too
large in the trunk. Glove box X
To open: pull handle 0043and open glove box
flap 0044.
X To close: fold glove box flap 0044upwards
until it engages.
The glove box flap contains brackets for
coins, pens, and credit and service cards. The glove box can be locked and unlocked
using the mechanical key.
X To lock: insert the mechanical key into the
lock and turn it to position 0048.
X To unlock: insert the mechanical key into
the lock and turn it to position 0047.256
Stowage areasStowage and features
0043
Ruffled pocket Stowage net
Stowage nets are located in the front-
passenger footwell and on the rear wall
behind the driver's seat. Reversible floor panel in the trunk
Using the flat side of the reversible floor panel
will give you a level trunk. If you turn the
reversible floor panel over, you can transport objects, for example a drinks crate, on it. X
To turn over: pull up reversible floor
panel 0044using strap 0043.
X Turn over reversible floor panel 0044and re-
insert it. Attached to the reversible floor panel are two
flexible straps 0044that you can use to secure
objects, for example wind screen 0087, when
reversible floor panel 0043has been turned
over. Roof carrier
! This vehicle is not designed to transport
items on the roof. Roof carriers and other
devices which are mounted on the roof that
have not been specifically approved for this
model by Mercedes-Benz must not be used as they could damage the vehicle and the
retractable hardtop (vario-roof).
At the time of going to print, Mercedes-
Benz does not offer any roof carrier or other roof-installed devices for this model.
! This vehicle is not designed to transport
any items on the trunk lid or to allow lug-
gage carriers or equipment of any kind to
be installed to the trunk lid. Otherwise the
vehicle and the retractable hardtop could
be damaged. Features
Cup holder
Important safety notes G
WARNING
If you do not correctly store objects in the
vehicle interior, they can slip or be flung
around, thus striking vehicle occupants. 258
FeaturesStowage and fea
tures
There is a risk of injury, especially when brak-
ing or abruptly changing directions.
R Always store objects so that they cannot be
flung around in these or in similar situa-
tions.
R Always make sure that objects do not pro-
trude from stowage compartments, parcel
nets or stowage nets.
R Close lockable stowage compartments
while driving.
R Stow and secure objects that are heavy,
hard, pointy, sharp-edged, fragile or too
large in the trunk.
! Only use the cup holders for containers of
the right size and which have lids. The
drinks could otherwise spill.
Cup holder in the center console X
To open: slide cover 0044back.
X To remove the insert: slide catch0043
inwards on both sides in the direction of the arrow.
X Remove the cup holder insert upwards.
X To re-install the insert: place the insert in
the stowage space.
X Slide catch 0043outwards in the direction of
the arrow until it engages.
You can remove the cup holder insert for
cleaning. Clean with clear, lukewarm water
only. Bottle holder
Observe the "Important safety notes" in the
"Stowage compartments" section
(Y page 256).
! Make sure that any bottles weighing more
than 1.1 lb(0.5 kg) that are stored in the
bottle holder, rest on the vehicle floor. The bottle holder could otherwise be damaged. X
Press the outer edge of button 0043and slide
in the direction of the arrow until the bottle
fits into the opening.
X Insert the bottle into the bottle holder.
The bottle holder is suitable for bottles with a
capacity of 25 fl. oz. (0.7 l) to 54 fl. oz. (1.5 l).
The bottle holder does not secure the bottles; it merely prevents them from tipping over. Sun visors
Overview G
WARNING
If the mirror cover of the vanity mirror is folded up when the vehicle is in motion, you could be
blinded by incident light. There is a risk of an
accident.
Always keep the mirror cover folded down
while driving. Features
259Stowage and features Z
0043
Mirror light
0044 Bracket
0087 Retaining strip, e.g. for a parking lot ticket
0085 Vanity mirror
0083 Mirror cover
i When driving at high speeds with the side
window or roof open:
If you have inserted a car park ticket into
retaining strip 0087, make sure that it is not
blown away by the wind.
Vanity mirror in the sun visor Mirror light
0043only functions if the sun visor
is clipped into bracket 0044and mirror cover 0083
has been folded up.
Glare from the side X
Fold down the sun visor.
X Pull the sun visor out of retainer 0044.
X Swing the sun visor to the side.
X Slide the sun visor horizontally as desired. Ashtray
X
To open: push the lower section of
cover 0043.
The cover opens.
X To remove the insert: lift insert0087up0044
and out.
X To re-install the insert: press insert0087
into the holder until it engages. Cigarette lighter
G
WARNING
You can burn yourself if you touch the hot
heating element or the socket of the cigarette lighter.
In addition, flammable materials can ignite if:
R the hot cigarette lighter falls
R a child holds the hot cigarette lighter to
objects, for example
There is a risk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children unsupervised in the vehicle. 260
FeaturesStowage and features
Emergency call
Important safety notes
G
WARNING
It can be dangerous to remain in the vehicle,
even if you have pressed the SOS button in an emergency if:
R you see smoke inside or outside of the vehi-
cle, e.g. if there is a fire after an accident
R the vehicle is on a dangerous section of
road
R the vehicle is not visible or cannot easily be
seen by other road users, particularly whendark or in poor visibility conditions
There is a risk of an accident and injury.
Leave the vehicle immediately in this or simi-
lar situations as soon as it is safe to do so.
Move to a safe location along with other vehi-
cle occupants. In such situations, secure the
vehicle in accordance with national regula-
tions, e. g. with a warning triangle.
You must have a license agreement to acti-
vate the mbrace service. Make sure that your
system is activated and operational. To reg-
ister, press the 00D9MB 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:
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
General notes
An emergency call is dialed automatically if an air bag or Emergency Tensioning Device is
triggered.
i You cannot end an automatically trig-
gered emergency call yourself.
An emergency call can also be initiated man- ually. As soon as the emergency call has been ini-
tiated, the indicator lamp in the SOS button
flashes. The multifunction display shows the
Connecting Call
Connecting Call message.
The audio output is muted.
Once the connection has been made, the
Call Connected 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 deter-
mined by the GPS system)
R vehicle identification number
R information on the severity of the accident
Shortly after the emergency call has been ini- tiated, a voice connection is automatically
established between the Customer Assis-
tance Center and the vehicle occupants.
R If the vehicle occupants respond, the
Mercedes-Benz Customer Assistance Cen-
ter attempts to get more information on the emergency.
R If there is no response from the vehicle
occupants, an ambulance is immediately
sent to the vehicle.
If no voice connection can be established to
the Mercedes-Benz Customer Assistance
Center, the system has been unable to initiate an emergency call.
This can occur, for example, if the relevant
mobile phone network is not available. The
indicator lamp in the SOS button flashes con- tinuously.
The Call Failed Call Failed message appears in the
multifunction display and must be confirmed.
In this case, summon assistance by other
means. Features
263Stowage and features Z
beforehand. Possible options include text
message, e-mail or an automated call.
The area can be determined as either a circle
or a polygon with a maximum of ten corners. You can specify up to ten areas simultane-
ously. Different settings are possible for each
area.
USA only: these settings can be called up
under "Owners Online" at http://
www.mbusa.com.
Alternatively, you can trigger an MB Info call
and inform the customer service representa-
tive that you wish to activate geo fencing.
Currently inactive areas can be activated by
text message.
Triggering the vehicle alarm With this function, you can trigger the vehi-
cle's panic alarm via text message. An alarm
sounds and the exterior lighting flashes.
Depending on the setting, the panic alarm
lasts five or ten seconds. Afterwards, the
alarm switches off.
Garage door opener
General notes The HomeLink
®
garage door opener integra-
ted in the rear-view mirror allows you to oper-
ate up to three different door and gate sys-
tems.
Use the integrated garage door opener only
on garage doors that:
R have safety stop and reverse features and
R meet current U.S. federal safety standards
Once programed, the integrated garage door opener in the rear-view mirror will assume the
function of the garage door system's remote
control. Please also read the operating
instructions for the garage door system.
When programing a garage door opener, park the vehicle outside the garage. Do not run the
engine while programing. Certain garage door drives are incompatible
with the integrated garage door opener. If you
have difficulty programing the integrated
garage door opener, contact an authorized
Mercedes-Benz Center.
Alternatively, you can call the following tele-
phone assistance services:
R USA: Mercedes-Benz Customer Assistance
Center at 1-800-FOR-MERCedes
R Canada: Customer Service at
1-800-387-0100
R HomeLink ®
hotline 1-800-355-3515 (free
of charge)
More information on HomeLink ®
and/or
compatible products is also available online
at http://www.homelink.com.
Notes on the declaration of conformity
(Y page 25).
USA: FCC ID: CB2HMIHL4
Canada: IC: 279B-HMIHL4
Important safety notes G
WARNING
When you operate or program the garage door with the integrated garage door opener, per-
sons in the range of movement of the garage
door can become trapped or struck by the
garage door. There is a risk of injury.
When using the integrated garage door
opener, always make sure that nobody is
within the range of movement of the garage
door. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation. 270
FeaturesStowage and features