Display messages
Possible causes/consequences and
M
MSolutions M
M The bonnet is open. A warning tone also sounds.
G WARNING
The open bonnet may then block your view when the vehicle is in
motion.
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.
X Secure the vehicle against rolling away (Y page 178).
X Close the bonnet. Active bonnet mal‐ Active bonnet mal‐
function See Own‐ function See Own‐
er's Manual er's Manual The active bonnet (pedestrian protection) is not active due to a
malfunction or because it has already been triggered.
X Visit a qualified specialist workshop. C C At least one door is open. A warning tone also sounds.
X Close all doors. _
Front left seat Front left seat
backrest not backrest not
locked locked
orFront
Front
right seat back‐
right seat back‐
rest not locked
rest not locked The driver's or front-passenger seat backrest is not engaged. A
warning tone also sounds.
X Push the backrest back until it engages. &
inoperative Bat‐ inoperative Bat‐
tery low tery low The on-board voltage is too low. The auxiliary heating (Y
page 148)
has switched itself off. The auxiliary heating cannot be switched
on.
X Drive for a considerable distance.
The battery charges. The auxiliary heating is operational again as
soon as the on-board electrical system voltage is sufficient. &
inoperative inoperative
Refuel
Refuel
vehicle
vehicle There is too little fuel in the fuel tank. The auxiliary heating cannot
be switched on (Y page 148).
X Refuel at the nearest filling station. &
inoperative See inoperative See
Owner's Man. Owner's Man. The auxiliary heating is temporarily malfunctioning or faulty.
X When the vehicle is on a level surface and the engine has cooled
down, make up to four attempts to switch on the auxiliary heat- ing, waiting several minutes between each attempt
(Y page 148).
X If the auxiliary heating does not switch on, consult a qualified
specialist workshop. Display
messages
297On-board computer and displays Z
Engine
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ;
N
The yellow engine diagnostics warning lamp lights up while the engine is
running.
There may be a fault, for example:
R in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system
R in the fuel system
The emission limit values may be exceeded and the engine may be running in emergency mode.
X Have the vehicle checked as soon as possible at a qualified specialist work-
shop. 8
N
The yellow reserve fuel warning lamp is on while the engine is running.
The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel level drops into the reserve range.
X Refuel at the nearest filling station. ?
N
The red coolant warning lamp lights up while the engine is running and the
coolant temperature gauge is at the start of the bar display.
The temperature sensor for the coolant temperature gauge is faulty.
The coolant temperature is no longer being monitored. There is a risk of engine
damage if the coolant temperature is too high.
X Stop the vehicle immediately, paying attention to road and traffic condi-
tions, and switch off the engine. Do not continue driving under any circum-
stances.
X Secure the vehicle against rolling away (Y page 178).
X Consult a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
307On-board computer and displays Z
X
To open: slide cover on chrome element :
backwards.
To close: lightly press chrome element :.
Stowage compartment/telephone com-
partment under the armrest X
To open: press button :or; and fold the
armrest to the left or right.
Depending on the vehicle's equipment, a USB port, an AUX-IN jack or a Media Interface areinstalled in the stowage compartment. A
Media Interface is a universal interface for
portable audio or video equipment, e.g. for an
iPod ®
, iPhone ®
or MP3 player (see the sepa-
rate COMAND Online operating instructions).
Stowage compartment under the driver'sand front-passenger seat G
WARNING
If you exceed the maximum permitted load of the stowage compartment, the cover is
unable to restrain the objects. Objects may be
thrown out of the stowage compartment and
hit vehicle occupants as a result. There is a risk of injury, particularly in the event of sud-
den braking or a sudden change in direction.
Always observe the maximum load of the
stowage compartment. Stow and secure
heavy objects in the boot.
The maximum permissible load of the stow-
age compartment is 1.5 kg. X
To open: pull handle :up and fold
cover ;forwards.
On vehicles with a fire extinguisher, the fire
extinguisher is located in the stowage com-
partment under the driver's seat.
Stowage compartments in the doors You can store items such as a rolled up fluo-
rescent jacket and a small umbrella in stow-
age compartment ;in the doors.
Bottles with a capacity of up to 1.0 lmay be
stored in doors :.316
Stowage areasStowing and features
Rear stowage compartments
Stowage compartment in the rear seat
armrest X
To open: fold down the seat armrest.
X Pull handle :and fold the armrests
upwards.
Stowage compartment in the rear-com-
partment centre console X
To open: if required, fold up the rear seat
armrest.
X Slide cover :in the direction of the arrow.
Depending on the vehicle's equipment, a USB port, an AUX-IN jack, a mobile phone bracketor a 115 V or 230 V socket are installed in the
stowage compartment. Stowage box in the rear seat backrest X
To open: fold down the rear armrest.
X Pull handle :and fold down cover ;.
Depending on the vehicle's equipment, a DVD
player is installed instead of a stowage com-
partment. Stowage nets
Stowage nets are located: R in the front-passenger footwell
R on the back of the driver's and front-
passenger seat
R on the left and right-hand side in the boot
Observe the loading guidelines (Y page 314)
and the safety notes regarding stowage
spaces (Y page 314). Skibag
Important safety notes G
WARNING
The skibag in conjunction with the lashing
straps cannot restrain any objects other than skis.
Vehicle occupants could be struck in the
event of sudden braking or an accident, for
instance, if you:
R transport other heavy or sharp-edged
objects in the skibag
R do not secure the skibag with the lashing
straps Stowage areas
317Stowing and features
Z
Service products include the following:
R fuels
R lubricants (e.g. engine oil, transmission oil)
R Coolant
R Brake fluid
R windscreen washer fluid
R Climate control system refrigerant
Components and service products must be
matched. Mercedes-Benz recommends that
you use products tested and approved by
Mercedes-Benz. They are listed in this
Mercedes-Benz Owner's Manual in the appro-
priate section.
You can identify service products approved
by Mercedes-Benz by the following inscrip-
tions on the container:
R MB-Freigabe (e.g. MB-Freigabe 229.51)
R MB Approval (e.g. MB Approval 229.51)
Other designations or recommendations indi- cate a level of quality or a specification in
accordance with an MB Sheet Number (e.g.
MB 229.5). They have not necessarily been
approved by Mercedes-Benz.
Further information can be obtained from any
Mercedes-Benz Service Centre or on the
Internet at http://bevo.mercedes-benz.com. Fuel
Important safety notes G
WARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is a risk of fire and explo-
sion.
You must avoid fire, naked flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the auxiliary heating before refuelling. G
WARNING
Fuels are poisonous and hazardous to health. There is a danger of injury. Do not swallow fuel or let it come into contact
with skin, eyes or clothing. Do not inhale fuel
vapours. Keep fuels out of the reach of chil-
dren.
If you or others come into contact with fuel,
observe the following:
R Wash the fuel off any affected areas of skin
with water and soap immediately.
R If you get fuel in your eyes, rinse them thor-
oughly with clean water immediately. Seek
immediate medical attention.
R If fuel is swallowed, seek immediate medi-
cal attention. Do not induce vomiting.
R Change any clothing that has come into
contact with fuel immediately.
Tank capacity Model Total capacity
All models
80.0 l
Model Of which
reserve fuel AMG vehicles
Approx. 12.0 l
All other models
Approx. 8.0 l
Petrol (EN 228, E DIN 51626
‑1) Fuel grade
!
Do not use diesel to refuel vehicles with a
petrol engine. Do not switch on the ignition if you accidentally refuel with the wrong
fuel. Otherwise, fuel can enter the fuel sys-tem. Even small amounts of the wrong fuel could result in damage to the fuel system
and the engine. Notify a qualified specialist
workshop and have the fuel tank and fuel
lines drained completely.
! Only refuel using premium-grade unlea-
ded petrol with at least 95 ROZ/85 MOZ,
that conforms to European standard
EN 228 or E DIN 51626–1 or an equivalent
specification. Service products and capacities
403Technical data Z