
If childre
nopen 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. Center console, front
X
Turn the SmartKey to position 2in the
ignition lock.
X To open: slide cover 0002forwards until it
engages.
X Press in cigarette lighter 0003.
Cigarette lighter 0003will pop out
automatically when the heating element is
red-hot.
X To close: press cover 0002briefly at the
front.
The cover moves back. Center console, rear compartment
X
Press in cigarette lighter 0002.
Cigarette lighter 0002will pop out
automatically when the heating element is
red-hot. 12
Vsockets
Points to observe before use 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.
If you use the sockets for long periods when
the engine is switched off
,the battery may
discharge.
X Turn the SmartKey to position 1in the
ignition lock.
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 that there is sufficient power to
start the engine. Features
447Stowage and features Z

Do not ru
nthe engine while programming the
integrated remote control. Inhalation of
exhaust gas is hazardous to your health. All
exhaust gas contains carbon monoxide (CO),
and inhaling it can cause unconsciousness
and possible death. All exhaust gas contains
carbon monoxide (CO), and inhaling it can
cause unconsciousness and possible death.
The HomeLink ®
garage door opener
integrated in the rear-view mirror allows you
to operate up to three different door and gate
systems.
i Certain garage door drives are
incompatible with the integrated garage
door opener. If you have difficulty
programming the integrated garage door
opener, contact an authorized Mercedes-
Benz Center.
Alternatively, you can call the following
telephone assistance services:
R USA: Mercedes-Ben zCustomer
Assistance Cente rat
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.
i USA only:
This device complies with par t15oft he
FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful
interference, and
2. this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment.
FCC ID: CB2HMIHL4 i
Canada only:
This device complies with the RSS-210
Rules of Industry Canada.O peration is
subjec tto the following two conditions:
1. This device may not cause harmful
interference, and
2. this device must accept any interference
received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment.
IC: 279B-HMIHL4
Programming the integrated garage
door opener on the rear-view mirror Programming buttons
G
WARNING
Only press the button on the integrated
garage door opener if there are no persons or
objects present within the sweep of the
garage door. Persons could otherwise be
injured as the door moves. Integrated garage door opener on the rear-view
mirror
Garage door remote control
0023is not part of
the integrated garage door opener.
X Before programming for the first time, clear
the memory of the integrated garage door
opener (Y page 459).
X Turn the SmartKey to position 2in the
ignition lock. Features
457Stowage and features Z

Useful information
............................462
Engine compartment ........................462
Maintenance ...................................... 469
Care .................................................... 470 461Maintenance and care

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 Please read the information on qualified
specialist workshops (Y page 31).Engine compartment
Hood
Opening the hood G
WARNING
Do not pull the release lever while the vehicle
is in motion. Otherwise, the hood could be
forced open by passing air flow.
This could cause the hood to come loose and
injure you and/o rothers. G
WARNING
Hybrid vehicles :be sure to read the "HYBRID"
supplement .Otherwise, you could fail to
recognize dangers. G
WARNING
Do not open the hood when the engine is
overheated. You could be seriously injured.
Observe the coolant temperature gauge to
determine whether the engine may be
overheated. If you see flames or smoke
coming from the engine compartment, move
away fro mthe vehicle. Wait until the engine
has cooled. If necessary, call the fire
department. G
WARNING
There is a risk of injury if the hood is open,
even if the engine is not running. Some engine components can become very
hot.
To avoid the risk of burns, only touch those
components described in the Operator's
Manual and observe the relevant safety notes. G
WARNING
To avoid injury, stay clear of moving parts
when the hood is open and the engine is
running.
The radiator fan may continue to run for
approximately 30seconds or may even restart
after the engine has been switched off. For
this reason, you must not reach into the fan
rotation area. G
WARNING
Vehicles with gasoline engine:
The engine is equipped with a transistorized
ignition system. Because of the high voltage
it is dangerous to touch any components
(ignition coils, spark plug sockets, diagnostic
socket) of the ignition system
R with the engine running
R while starting the engine
R when the ignition is switched on and the
engine is turned manually G
WARNING
Vehicles with diesel engine:
The engine is equipped with a high-voltage
electronic control unit for the injection
system. Because of the high voltage it is
dangerous to touch any components of the
injection system (injectors, electrical wires)
R with the engine running
R while starting the engine
R when the ignition is switched on
X Make sure that the windshield wipers are
switched off. G
WARNING
The windshield wipers and wiper linkage
could be set in motion. 462
Engine compartmentMaintenance and care

When the hood is open, you or others could
be injured by the wiper linkage.
Make sure that the windshield wipers are
switched off. Remove the SmartKey or make
sure that no ignition position has been
selected with KEYLESS-GO. All indicator
lamps must be off in the instrument panel. X
Pull release lever 0002for the hood.
The hood is released.
! Make sure that the windshield wipers are
not folded away from the windshield. You
could otherwise damage the windshield
wipers or the hood. X
Pull hood catch handle 0003outwards from
the radiator grill as far as it will go and lift
the hood from underneath by the radiator
grill.
Once you have lifted the hood about
15 inches (40cm), it is automatically
opened the rest of the way and held open
by the gas-filled struts. !
Do not lift the hood by hood catch
handle 0003.The handle may otherwise be
damaged.
Closing the hood G
WARNING
When closing the hood, use extreme caution
not to catch hands or fingers. Be careful that
you do not close the hood on anyone.
Make sure the hood is securely engaged
before driving off. Do not continue driving if
the hood can no longer engage after an
accident, for example. The hood could
otherwise come loose while the vehicle is in
motion and injure you and/or others.
X Lower the hood and let it fall from a height
of approximately 8inche s(20cm).
X Check that the hood has engaged properly.
If the hood can be raised slightly, it is not
properly engaged. Open it again and close
it with a little more force. Radiator
i Vehicles with adiesel engine: do not
cover the radiator, for example with a
winter front or bug cover. The readings of
the on-board-diagnostic syste mmay
otherwise be inaccurate .Some of these
readings are required by law and must be
accurate at all times. Engine oil
Notes on the oil level G
WARNING
Hybrid vehicles: be sure to read the "HYBRID"
supplement. Otherwise, you could fail to
recognize dangers.
Depending on the driving style, the vehicle
consumes up to 0.9 US qts (0.8 l) of oil over
a distance of 600 miles (1,000 km). The oil Engine compartment
463Maintenance and care Z

consumption may be higher than this when
the vehicle is new or if you frequently drive at
high engine speeds.
On vehicles with a 12-cylinder engine, the oil
level can be checked using the on-board
computer. On all othe rmodels, the oil
dipstick must be used to check the engine oil
level.
Depending on the engine, the oil dipstick may
be in a different location.
When checking the oil level:
R park the vehicle on a level surface.
R the engine should be switched off for
approximately five minutes if the engine is
at normal operating temperature.
R if the engine is not at normal operating
temperature, e.g. if the engine was only
started briefly: wait about 30 minutes
before carrying out the measurement. Checking the oil level using the oil
dipstick Example: vehicles with a gasoline engine
Example: vehicles with 4MATIC
X
Pull oil dipstick 0002out of the dipstick guide
tube.
X Wipe off oil dipstick 0002.
X Slowly slide oil dipstick 0002into the guide
tube to the stop, and take it out again.
If the level is between MIN mark 0026and
MAX mark 0003, the oil level is correct.
X If the oil level has dropped to MIN mark
0026 or below, add 1.1 US qt (1.0 liter) of
engine oil.
Checking the oil level using the on-
board computer Measurement
X
Make sure that the SmartKey is in position
2in the ignition lock.
X Press the 000Cor0009 button to select the
Service menu.464
Engine compartmentMaintenance and care

X
Press the 000Bor000A button to select
Engine Oil Level .
X Press the 0011button.
The multifunction display shows the
following message: Measuring Engine Oil Level Accurate Only When
Vehicle Is Level
i
If you wish to cancel the measurement,
press the 0001button on the multifunction
steering wheel. Engine compartment
465Maintenance and care Z

Display messages
The measuremen
ttakes a few seconds. You will see one of the following messages in the
multifunction display: Problem Possible causes/consequences and
0004 Solutions
Engine Oil Level OK The oil level is correct.
Add 1.0 l Engine
Oil At Next
Refueling . The oil level is too low.
X
add 1. 0lof engine oil. Add 1.5 l Engine
Oil At Next
Refueling . The oil level is too low.
X
add 1.5 l of engine oil. Add 2.0 l Engine
Oil At Next
Refueling . The oil level is too low.
X
add 2.0 l of engine oil. Engine Oil Level
Reduce Oil Level The engine oil level is too high.
X
Have excess engine oil siphoned off. For Engine Oil
Level Ignition
Must be On The ignition is switched off.
X
Turn the SmartKey to position 2in the ignition lock. Need More Time to
Check Engine Oil
Level The required waiting period was not observed.
X
If the engine is at normal operating temperature: repeat the
measurement after about five minutes.
If the engine is not at normal operating temperature (e.g. if the
engine was only started briefly): repeat the measurement after
about 30 minutes. Engine Oil Level
Not When Engine On The engine is running; oil level measurement is not possible.
X
Switch off the engine.
X If the engine is at normal operating temperature: wait about five
minutes before carrying out the measurement.
If the engine is not at normal operating temperature, e.g. if the
engine was only started briefly: wait approximately
30 minutes before carrying out the measurement. Adding engine oil
G
WARNING
If engine oil comes into contact with hot
engine parts, it may ignite and you could burn yourself. Do not spill any engine oil on hot
engine parts.466
Engine compartmentMaintenance and care