
Problem Possible causes/consequences and
0001 Solutions
000F
The red coolant
warning lamp comes on
while the engine is
running. The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator
may be blocked or the electric engine radiator fan may be
malfunctioning.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
X
Observe the additional display messages in the multifunction
display.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 155).
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 279).
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 Do not start the engine again until the coolant temperature is
below 248 ‡(120 †). Otherwise, the engine could be damaged.
X Drive to the nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. 000F
The red coolant
warning lamp comes on
while the engine is
running. A warning tone
also sounds.
The coolant temperature has exceeded 248 ‡ (120 †). The
airflow to the engine radiator may be blocked or the coolant level
may be too low.
G WARNING
The engine is not being cooled sufficiently and may be damaged.
Do not drive whe nyour engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X Observe the additional display messages in the multifunction
display.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 155). Warning and indicator lamps
251On-board computer and displays Z

Problem Possible causes/consequences and
0001 Solutions
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 279).
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 next
qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. Driving systems
Problem Possible causes/consequences and
0001 Solutions
000C
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.
You are approaching a vehicle or a stationary obstacle in you
rline
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 168).
Further information on PRE-SAFE ®
Brake (Y page 65). 252
Warning and indicator lampsOn-board computer and displays

Tires
Problem Possible causes/consequences and
0001 Solutions
0015
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit.
The tire pressure monitor has detected a loss of pressure in at
leas
tone of the tires.
G WARNING
With tire pressures which ar etoo low, there is a risk of the
following 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 155).
X Observe the additional display messages in the multifunction
display.
X If there is a flat tire, inspect the tires (Y page 291).
X Check the tire pressure (Y page 316).
X If necessary, correct the tire pressure. 0015
USA only:
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. Warning and indicator lamps
253On-board computer and displays Z

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment 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
specialist workshops: (Y page 23).Stowage areas
Stowage space
Important safety notes G
WARNING
To help avoid personal injury during a collision
or sudden maneuver, exercise care when
storing objects in the vehicle. Put luggage or
cargo in the trun kifpossible.
Do not pile luggage or cargo higher than the
seat backrests.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
R braking
R vehicle maneuvers
R an accident Glove box X
To open: pull handle 0003and open glove box
flap 0004.
X To close: fold glove box flap 0004upwards
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 0007.
X To unlock: insert the mechanical key into
the lock and turn it to position 0006.256
Stowage areasStowage and features

0003
Ruffled pocket Stowage net
G
WARNING
Stowage nets are only intended for
transporting ligh tloads such as road maps,
mail, etc.
Do not use stowage nets to transpor theavy,
bulky, sharp-edged or fragile objects. In an
accident, during hard braking or during a
change of direction, they could be thrown
around inside the vehicle and cause injury to
vehicle occupants.
Stowage nets cannot protec tthe transported
loads in the event of an accident.
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 alevel 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 0004using strap 0003.
X Turn over reversible floor panel 0004and re-
insert it. Attached to the reversible floor panel are two
flexible straps
0004that you can use to secure
objects, for example wind screen 0024, when
reversible floor panel 0003has 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-Benzm ust notbe used
as they could damage the vehicle and the
retractable hardtop (vario-roof).
At the time of going to print, Mercedes-
Benzd oes 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 258
Stowage areasStowage and features

luggage carriers or equipmen
tofany kind
to be installed to the trunk lid. Otherwise
the vehicle and the retractable hardtop
could be damaged. Features
Cup holders
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 aheight 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 acciden tand/o rserious personal
injury. Cup holder in the center console X
To open: slide cover 0004back.
X To remove the insert: slide catch0003
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 0003outwards 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
G
WARNING
Do not transport heavy, sharp-edged, or
fragile bottles in the bottle holder.
In the event of an accident, the bottle holder
cannot secure a bottle sufficiently. You and/
or vehicle occupants could be injured.
! 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. Features
259Stowage and features Z

X
Press the outer edge of button 0003and slide
in the direction of the arrow until the bottle
fits into the opening.
X Inser tthe bottle into the bottle holder.
The bottle holder is designed for bottles with
a capacity of 25 fl. oz. (0.7 l) up 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
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. 0003
Mirror light
0004 Bracket
0024 Retaining strip, e.g. for a car park ticket 0023
Vanity mirror
0021 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 0024, make sure that it is not
blown away by the wind.
Vanity mirror in the sun visor Mirror light
0003only functions if the sun visor
is clipped into retainer 0004and mirror cover
0021 has been folded up.
Glare from the side X
Fold down the sun visor.
X Pull the sun visor out of retainer 0004.
X Swing the sun visor to the side.
X Slide the sun visor forwards and back as
required. Ashtray
X
To open: push the lower section of
cover 0003.
The cover opens.
X To remove the insert: lift insert0024
up 0004 and out.
X To re-install the insert: press insert0024
into the holder until it engages. 260
FeaturesStowage and features

Cigarette lighter
G
WARNING
Never touch the heating elemen torsides 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. X
Turn the SmartKey to position 2in the
ignition lock (Y page 135).
X To open: push the lower section of
cover 0003.
The ashtray opens.
X Press in cigarette lighter 0004.
Cigarette lighter 0004will pop out
automatically when the heating element is
red-hot. 12
Vsockets
General notes !
If you are using all sockets in the vehicle,
make sure that you do no texceed the
maximum current dra wof 55 A. Otherwise,
you will overload the fuses.
The sockets can be used for accessories with
a maximum draw of 180 W (15 A).
Accessories include such items as lamps or
chargers for mobile phones.
X Turn the SmartKey to position 1in the
ignition lock (Y page 135). If you use the sockets for long periods when
the engine is switched off, the battery may
discharge.
i
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 tha tthere is sufficient power to
start the engine.
Socket under the armrest X
Open the stowage compartmentu nder
armrest 0003(Ypage 257).
X Lift up the cover of socket 0004.
On vehicles withou tashtrays or lighters, there
is an additional socket in the center console.
Socket in the front-compartment center
console X
To open: push the lower section of
cover 0003.
The stowage compartment opens.
X Lift up the cover of socket 0004. Features
261Stowage and features Z