Switching the ZONE function on/off
X
To activate: press the0004button.
The indicator lamp above the 0004button
lights up.
Dual-zone automatic climate control: the
temperature setting for the driver's side is
not adopted for the front-passenger side.
3-zone automatic climate control: the
temperature setting for the driver's side is
not adopted for the front-passenger side
and the rear compartment.
X To deactivate: press the0004button.
The indicator lamp above the 0004button
goes out.
Dual-zone automatic climate control: the
temperature setting for the driver's side is
adopted for the front-passenger side.
3-zone automatic climate control: the
temperature setting for the driver's side is
adopted for the front-passenger side and
the rear compartment. Defrosting the windshield
You can use this function to defrost the
windshield or to defrost the inside of the
windshield and the side windows.
Switch off the "Windshield defrosting"
function as soon as the windshield is clear
again. X
Turn the SmartKey to position 2in the
ignition lock (Y page 157).
X To activate: press the0009button.
The indicator lamp in the 0009button lights
up.
The climate control system switches to the
following functions:
R high airflow
R high temperature
R air distribution to the windshield and
front side windows
R air-recirculation mode off
X To deactivate: press the0009button.
The indicator lamp in the 0009button goes
out. The previously selected settings are
restored. Air-recirculation mode remains
deactivated.
or
X Press the 0006button.
The indicator lamp in the 0009button goes
out. Airflow and air distribution are set to
automatic mode.
or
X Turn controls 0002or0021 clockwise or
counter-clockwise:
Dual-zone automatic climate control
(Y page 139)
3-zone automatic climate control
(Y page 142)
or
X Press the 0019or0018 button. MAX COOL maximum cooling
The MAX COOL function is only available in
vehicles for the USA. Operating the climate control systems
149Climate control
Setting the side air vents
0002
Side window defroster vent
0003 Side air vent
0023 Control for side air vent
X To open/close: turn thumbwheel 0023up or
down. Setting the glove box air vent
! Close the air vent when heating the
vehicle.
At high outside temperatures, open the air
vent and activate the "cooling with air
dehumidification" function. Otherwise,
temperature-sensitive items stored in the
glove box could be damaged. 0002
Air vent thumbwheel
0003 Air vent
When automatic climate control is activated,
the glove box can be ventilated, for instance
to cool its contents. The level of airflow
depends on the airflow and air distribution
settings. X
To open/close: turn thumbwheel 0002
clockwise or counter-clockwise. Setting the rear-compartment air
vents
Setting the center vents in the rear
compartment Example: center vents with rear control panel
0002
Rear-compartment air vent thumbwheel
0003 Rear-compartment air vent, right
0023 Rear control panel
0022 Rear-compartment air vent, left
X To open/close: turn thumbwheel 0002up or
down.
Setting the B-pillar air vent Second row of seats
0002
B-pillar air vent
0003 Thumbwheel for B-pillar air vent Setting the air vents
153Climate control Z
vehicle with the SmartKey or with KEYLESS-
GO.
The position of the fuel filler cap is displayed
0012 in the instrument cluster. The arrow
next to the filling pump indicates the side of
the vehicle.
Opening the fuel filler flap 0002
To open the fuel filler flap
0003 To insert the fuel filler cap
0023 Fuel type to be used
0022 Tire pressure table
X Switch the engine off.
X Remove the SmartKey from the ignition
lock.
X KEYLESS-GO: open the driver’s door.
This corresponds to key position 0: "key
removed".
The driver’s door can be closed again.
X Press the fuel filler flap in the direction of
arrow 0002.
The fuel filler flap swings up.
X Turn the fuel filler flap counter-clockwise
and remove it.
X Insert the fuel filler cap into the holder
bracket on the inside of filler flap 0003.
X Completely insert the filler neck of the fuel
pump nozzle into the tank, hook in place
and refuel.
X Only fill the tank until the pump nozzle
switches off. i
Do not add any more fuel after the pump
stops filling for the first time. Otherwise,
fuel may leako ut.
Closing the fuel filler flap X
Replace the cap on the fille rneck and turn
clockwise until it engages audibly.
X Close the fuel filler flap.
i Close the fuel filler flap before locking the
vehicle.
i If you are driving with the fuel filler cap
open, the 0012reserve fuel warning lamp
flashes.
In addition, the 0010Check Engine warning
lamp may light up (Y page 325).
Am essage appears in the multifunction
display (Y page 300).
For further information on warning and
indicator lamps in the instrument cluster,
see (Y page 325). Refueling
175Driving and parking Z
is not permitted if the vehicle is not parked
on a level surface. There is a danger of
overfilling, which could result in damage to
components of the BlueTE
Cexhaus tgas
aftertreatment.
! Rinse surfaces that have come into
contact with DE Fimmediately with water or
remove DEF using a damp cloth and cold
water. If the DEF has already crystallized,
use a sponge and cold water to clea nit. DEF
residues crystallize after time and
contaminate the affected surfaces.
! DEF is not a fuel additive and must not be
added to the fuel tank. If DEF is added to
the fuel tank, this can lead to engine
damage.
For further information on DEF, see
(Y page 447).
Opening the DEF filler cap The fuel filler flap is unlocked or locked
automatically when you open or close the
vehicle with the SmartKey or with KEYLESS-
GO.
X
Switch the ignition off.
X Press the fuel filler flap in the directio nof
arrow 0002.
The fuel fille rflap swings up.
X Turn blue DE Ffiller cap 0003counter-
clockwise and remove it.
DEF filler cap 0003is secured with a plastic
strip. DEF refill bottle !
Only screw on the DE Frefill bottle hand-
tight .Itcould otherwise be damaged. X
Unscrew the protective cap from DEF refill
bottle 0002.
X Place DEFr efill bottle0002on the filler neck
as shown and screw it on clockwise until
hand-tight.
X Press DEFr efill bottle0002towards the filler
neck.
The DEFt ank is filled. This may take up to
one minute.
i When DE Frefill bottle 0002is no longer
pressed, filling stops and the bottle may be
taken off again after being only partially
emptied.
X Release DEFr efill bottle0002.
X Turn DEFr efill bottle 0002counter-clockwise
and remove it.
X Screw the protective cap onto DEF refill
bottle 0002again.
DEFr efill bottles can be obtained at many gas
stations or at an authorized Mercedes-Benz
Center .Refill bottles without a threaded cap
do not provide overfill protection. DEF may
leak if overfilled. Mercedes Benzo ffers
special refill bottles with a threaded seal.
These are available at any authorized
Mercedes-Benz Center. 178
RefuelingDriving and parking
Closing the DEF filler cap
X
Mount DEF filler cap 0003on the filler neck
and turn it clockwise.
X To close the fuel fille rflap, press it in the
direction of arrow 0002.
X Drive faster than 10 mph (16 km/h).
The Check Additive See Operator's Manual message goes out after
approximately one minute.
i If the Check Additive See Operator's Manual message continues
to be shown in the multifunction display,
you must add more DEF. Parking
Important safety notes
G
WARNING
If flammable materials such as leaves, grass
or twigs are exposed to prolonged contac tto
parts of the exhaust system that heat up, they
could ignite. There is a risk of fire.
Park the vehicle so that no flammable
materials come into contact with parts of the
vehicle which are hot. Take particular care not
to park on dry grassland or harvested grain
fields. G
WARNING
If you switch off the ignition while driving,
safety-relevant function sare only available
with limitations, or not at all.T his could affect,
for example, the power steering and the brake boosting effect.Y
ou will require considerably
more effort to steer and brake. There is a risk
of an accident.
Do not switch off the ignition while driving. G
WARNING
If you leave children unsupervised in the
vehicle, they could set it in motion by, for
example:
R releasing the parking brake
R shifting the automatic transmission out of
the parking position P
R starting the engine.
They could also operate the vehicle's
equipment. There is a risk of an accident and
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
! Always secure the vehicle correctly
against rolling away.O therwise, the vehicle
or its drivetrai ncould be damaged.
To ensure that the vehicle is secured against
rolling away unintentionally:
R the electric parking brake must be applied.
R the transmission must be in position Pand
the SmartKey must be removed from the
ignition lock.
R on steep uphill or downhill gradients, turn
the front wheels towards the curb.
R on steep uphill or downhill gradients, the
front axle of an empty vehicle must be
secured, for example with awheel chock.
R on steep uphill or downhill gradients, the
rear axle of a laden vehicle must be
additionally secured, for example with a
wheel chock. Parking
179Driving and parking Z
The individual vehicle levels differ from
highway level as follows:
R
highway level: +/–0 in (+/–0 mm)
R high-speed level: –0.6 in (–15 mm)
R off-road level 1: + 1.2 in (+ 30 mm)
R off-road level 2: + 2.3 in (+ 60 mm)
R off-road level 3: + 3.6 in (+ 90 mm)
Highway/high-speed level !
Make sure that there is enough ground
clearance when the vehicle is being
lowered. It could otherwise hit the ground,
damaging the underbody. 0002
Selector wheel
0003 To raise the level
0023 Indicator lamps
0022 To lower the level
X Start the engine.
X Selector wheel 0002 engaged:
briefly press
selector wheel 0002.
Selector wheel 0002extends.
If one or more indicator lamps 0023are on:
X Turn selector wheel 0002counter-
clockwise 0022until all indicator lamps 0023
that are lit start to flash.
The vehicle is lowered to highway level. As
soon as the next lowest level is reached,
the indicator lamp stops flashing and goes
out. During the adjustment, the
Lowering message, for example, appears in the
multifunction display.
If you press the
0007or000B button on the
multifunction steering wheel, the message
will disappear. Once highway level has been
reached, all indicator lamps 0023go out.
The vehicle automatically selects highway
level if you are driving at a speed above
70 mph (115 km/h) or if you drive at a speed
between 62 mph (100 km/h) and 70 mph
(115 km/h) for approximately 20 seconds.
The vehicle is lowered to high-speed level if
you are traveling at higher speeds.
Off-road levels General notes
R
Only select off-road level 3 for driving off-
road in particularly rough terrain.
R Adjust your driving style to the altered
handling characteristics.
R Do not drive at speeds above 12 mph
(20 km/h). 204
Driving systemsDriving and parking
Only select an off-road level when this is
appropriate for road conditions. Otherwise,
fuel consumption increases and handling may
be affected.
X Start the engine.
X Selector wheel 0002 engaged:
briefly press
selector wheel 0002.
Selector wheel 0002extends.
X To raise: turn selector wheel 0002
clockwise 0003.
The vehicle is raised.
or
X To lower: turn selector wheel 0002counter-
clockwise 0022.
The vehicle is lowered.
Indicator lamps 0023for the desired off-road
level flash:
R Off-road level 1: the lower indicator lamp
flashes
R Off-road level 2: the lower and center
indicator lamps flash
R Off-road level 3: all three indicator lamps
flash
The vehicle adjusts to the off-road level
selected. As soon as an off-road level is
reached, the corresponding indicator lamp
stops flashing and lights up constantly.
Raising the vehicle
During the adjustment, the Raisingmessage, for example, appears in the
multifunction display.
The vehicle rises from highwayl
evel to off-
road level 1.
If you press the 0007or000B button on the
multifunction steering wheel, the message
will disappear.
i Up to off-road level 2, you can hide the
messages using the 0007or000B button
on the multifunction steering wheel.
Once off-road level 2has been reached, the
lower and cente rindicato rlamps of the
selecto rwheel are on. While the adjustment from off-road level
2to
off-road level 3is taking place, you will see a
message such as the following in the
multifunction display: Raising Max. Speed
12 mph (20 km/h ).
The Max. Speed 12 mph (20 km/h) message draws your attention to the
maximum speed permitted for off-road
level 3.
Once off-road level
3has been reached, you
will see a message shown in white in the
multifunction display, for example: Max. Speed 12 mph (20 km/h) .
If you drive abov e12 mph (20 km/h) at off-
road level 3, you will see the following
message in red in the multifunctio ndisplay:
Lowering Max. Speed 12 mph (20 km/h ).
i
You cannot clear these messages.
You also hear a warning. The vehicle is
lowered and off-road level 3is canceled.
If you continue to increase your speed, the
red message continues to be shown in the
multifunction display. The newly set level is
not displayed until the vehicle has been set
to a level suitable for the current speed. Driving systems
205Driving and parking Z
Displays and operation
Instrument cluster
Instrument cluster: miles
0002
Speedometer with segments (Y page 264)
0003 Fuel gauge
0023 Tachometer (Y page 264)
0022 Coolant temperature ( Ypage 263)
0020 Multifunction display (Y page 265)
0021 Instrumen tcluster lighting (Y page 263) Instrument cluster lighting
The lighting in the instrumen tcluster, in the
displays and the controls in the vehicle
interior can be adjusted using the brightness
control knob.
The brightness control knob is located on the
bottom left of the instrument cluster
(Y page 33).
X Turn the brightness control knob clockwise
or counter-clockwise.
If the light switch is set to 0006,0016or
000D, the brightness is dependent upon
the brightness of the ambien tlight.
i The light sensor in the instrumen tcluster
automatically controls the brightness of
the multifunction display. In daylight, the displays in the instrument
cluster are not illuminated. Coolant temperature display
G
WARNING
Opening the hood when the engine is
overheated or when there is a fire in the
engine compartmen tcould expose you to hot
gases or other service products. There is a
risk of injury.
Let an overheated engine cool down before
opening the hood. If there is a fire in the
engine compartment, keep the hood closed
and contact the fire department.
! Adisplay message is shown if the coolant
temperature is too high. Displays and operation
263On-board computer and displays Z