235 Controls in detail
Useful features
Rear storage compartments
The CD changer is located in the driver’s
side storage compartment.
For instructions on the CD changer, see
separate COMAND Operator’s Manual.Driver’s side rear storage compartment1Release button
2Storage compartment lid
Press release button 1.
Storage compartment lid 2 lid opens
upwards.Locking storage compartments
The storage compartments are centrally
locked when you lock the vehicle from the
outside.
You can also lock the storage compart-
ments separately, see “Locking the stor-
age compartments separately”
(
page 235).Locking the storage compartments
separately
You can lock the storage compartments
separately, e.g. when the vehicle is in the
shop for service.
1Separately unlocking storage compart-
ments
2Separately locking storage compart-
ments
Remove the mechanical key from the
SmartKey (
page 391).
236 Controls in detailUseful features
Insert the mechanical key into the
glove box lock.
Turn the mechanical key to
position2.
The following storage compartments
will be locked. They remain locked,
even when the vehicle is unlocked with
the SmartKey or with the SmartKey
with KEYLESS-GO*:
Glove box
Armrest storage compartments
Rear storage compartmentsUnlocking the storage compartments
separately
Insert the mechanical key into the
glove box lock.
Turn the mechanical key to
position1.
You can now open the storage com-
partments.Parcel net in passenger footwell
A small convenience parcel net is located
in the passenger footwell. It is for small
and light items, such as road maps, mail,
etc.
i
The separate locking status of these storage
compartments can only be canceled with the
mechanical key.
The storage compartments in the doors cannot
be locked.
i
If the glove box cannot be unlocked using
the SmartKey or SmartKey with KEYLESS-GO*,
see “Unlocking the glove box” (
page 392).
Warning!
G
The parcel net is intended for storing
light-weight items only.
Heavy objects, objects with sharp edges or
fragile objects may not be transported in the
parcel net. In an accident, during hard brak-
ing, or sudden maneuvers, they could be
thrown around inside the vehicle and cause
injury to vehicle occupants.
The parcel net cannot protect transported
goods in the event of an accident.
239 Controls in detail
Useful features
Ashtray
1Cover plate
2Sliding knob
Opening ashtray
Briefly touch cover plate1.
The ashtray opens automatically.
Closing ashtray
Press cover plate1 down until it
latches.Removing the ashtray insert
Secure vehicle from movement by set-
ting the parking brake. Move the gear
selector lever to positionN.
Now you have more room to take out
the insert.
Press sliding knob2 to the right.
The insert will eject a short distance.
Replacing the ashtray insert
Press the insert into the frame until it
snaps into place.
Cigarette lighter
Switch on the ignition (
page 39).
Warning!
G
Remove ashtray only with vehicle standing
still. Set the parking brake to secure vehicle
from movement. Move gear selector lever to
positionN. With gear selector lever in
positionN, turn off the engine.
Warning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
Make sure that any children traveling with
you do not injure themselves or start a fire
with the hot cigarette lighter.
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it with you, and lock the vehicle. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause serious personal injury.
241 Controls in detail
Useful features
Switching on
Switch on the ignition (
page 39).
Turn the switch at the tip of the stalk in
direction of arrow1.
The steering wheel is heated. Indicator
lamp3 comes on.
Switching off
Turn switch at the tip of the stalk in
direction of arrow2.
The steering wheel heating is switched
off. Indicator lamp3 goes out.For more information on the steering
wheel, see “Multifunction steering wheel”
(
page 140).
Load assist in the trunk
To facilitate trunk loading after opening the
trunk lid, use the load assist feature to
raise the retracted hardtop from its stor-
age position in the trunk.
i
The steering wheel heating is temporarily
suspended while indicator lamp3 remains on
when
the temperature of the vehicle interior is
above 86°F (30°C)
the temperature of the steering wheel is
above 95°F (35°C)
When these conditions do not apply anymore,
steering wheel heating continues.
i
Indicator lamp 3 flashes or switches off
in case of power surge or undervoltage
in case of a steering wheel heating malfunc-
tion
i
The steering wheel heating switches off au-
tomatically when you remove the SmartKey from
the starter switch or, on vehicles with
KEYLESS-GO*, when you switch off the ignition
(
page 40) and open the driver’s door.
Warning!
G
To prevent injuries, make sure that there is
no possibility of body parts getting caught in
moving parts. If potential danger exists,
press the switch again. This will immediately
stop the movement of the hardtop.
250 Controls in detailUseful featuresRemote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. SmartKey inside vehicle),
and the reserve SmartKey is not handy:
Contact the Mercedes-Benz Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
You will be asked to provide your pass-
word which you provided when you
completed the subscriber agreement.
Then return to your vehicle and pull the
trunk recessed handle for a minimum
of 20 seconds until the SOS button is
flashing.
The message
Call connected
appears
in the multifunction display.
As an alternative, you may unlock the vehi-
cle via Internet using the ID and password
sent to you shortly after the completion of
your acquaintance call.The Response Center will then unlock your
vehicle with the remote door unlocking
feature.Stolen Vehicle Recovery services
In the event your vehicle was stolen:
Report the incident to the police.
The police will issue a numbered
incident report.
Pass this number on to the
Mercedes-Benz Response Center along
with your password issued to you when
you subscribed to the service.
The Response Center will then attempt
to covertly contact the vehicle’s Tele
Aid system. Once the vehicle is locat-
ed, the Response Center will contact
the local law enforcement and you. The
vehicle’s location will only be provided
to law enforcement.
i
The remote door unlock feature is available
if the relevant cellular phone network is avail-
able.
The SOS button will flash and the message
Call
connected
will appear in the multifunction dis-
play to indicate receipt of the door unlock com-
mand.
Once the vehicle is unlocked, a Response Center
specialist will attempt to establish voice contact
with the vehicle occupants.
If the trunk recessed handle was pulled for more
than 20 seconds before door unlock authoriza-
tion was received by the Response Center, you
must wait 15 minutes before pulling the trunk re-
cessed handle again.
i
If the anti-theft alarm or the tow-away alarm
stays on for more than 30 seconds, a call to the
Response Center is initiated automatically by the
Tele Aid system provided Tele Aid service was
subscribed to and properly activated, and that
necessary cellular service and GPS coverage are
available. See anti-theft alarm system
(
page 96) and tow away alarm (
page 98).
263 Operation
Driving instructions
Parking
Tires
Treadwear indicators (TWI) are required by
law. These indicators are located in six
places on the tread circumference and be-
come visible at a tread depth of approxi-
mately
1/16
in (1.6 mm), at which point
the tire is considered worn and should be
replaced.
Warning!
G
Do not park this vehicle in areas where com-
bustible materials such as grass, hay or
leaves can come into contact with the hot
exhaust system, as these materials could be
ignited and cause a vehicle fire.
To reduce the risk of personal injury as a re-
sult of vehicle movement, before
turning off
the engine and leaving the vehicle always:
Keep right foot on brake pedal.
Firmly depress parking brake pedal.
Move the gear selector lever to
positionP.
Slowly release brake pedal.
When parked on an incline, turn front
wheels towards the road curb.
Turn the SmartKey in the starter switch
to position0 and remove the SmartKey
from the starter switch, or press the
start/stop button (vehicles with
KEYLESS-GO*).
Take the SmartKey or the SmartKey with
KEYLESS-GO* and lock vehicle when
leaving.
!
Set the parking brake whenever parking or
leaving the vehicle. In addition, move gear selec-
tor lever to positionP. When parking on hills,
turn front wheels towards the road curb.
Warning!
G
If you feel a sudden significant vibration or
ride disturbance, or you suspect that possi-
ble damage to your vehicle has occurred,
you should turn on the hazard warning flash-
ers, carefully slow down, and drive with cau-
tion to an area which is a safe distance from
the road.
Inspect the tires and the vehicle underbody
for possible damage. If the vehicle or tires
appear unsafe, have the vehicle towed to
the nearest Mercedes-Benz Center or tire
dealer for repairs.
271 Operation
At the gas station
At the gas station
RefuelingThe fuel filler flap is located on the
right-hand side of the vehicle towards the
rear. Locking/unlocking the vehicle with
the SmartKey or the SmartKey with
KEYLESS-GO* automatically locks/un-
locks the fuel filler flap.
1Fuel filler flap
2Fuel filler cap
3Holder
Turn off the engine
by turning the SmartKey to
position0. Remove the SmartKey
from the starter switch.
by pressing the KEYLESS-GO*
start/stop button. Open the driv-
er’s door (with the driver’s door
open, starter switch is in position 0,
same as SmartKey removed from
starter switch).
Open fuel filler flap 1 by pushing at
the point indicated by the arrow.
The fuel filler flap springs open.
Turn fuel cap 2 counterclockwise and
hold on to it until possible pressure is
released.
Take off fuel cap 2 and place it into
holder 3 located on the inside of the
fuel filler flap.
Only fill your tank until the filler nozzle
unit cuts out – do not top up or over-
fill.
Warning!
G
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious
injury. Whenever you are around gasoline,
avoid inhaling fumes and skin contact,
extinguish all smoking materials. Never
allow sparks, flame or smoking materials
near gasoline!
Turn off the engine before refueling.Warning!
G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas
discharge. This could cause the gas to spray
back out when removing the fuel pump noz-
zle, which could cause personal injury.
277 Operation
Engine compartment
If necessary, add engine oil.
For information on adding engine oil, see
(
page 278).
For more information on engine oil, see the
“Technical data” section (
page 444) and
(
page 446).
Other display messages
If the SmartKey or the KEYLESS-GO*
start/stop button is not in position2, the
following message will appear:
Turn ignition on to
measure engine
oil level
Switch on the ignition (
page 39).If you see the message:
Observe
waiting time
If the engine is at operating tempera-
ture, wait 5 minutes before repeating
the check procedure.
If the engine is not at operating temper-
ature yet, wait 30 minutes before re-
peating the check procedure.
If you see the message:
Engine oil level
Not when
engine on
Turn off the engine.
If the engine is at operating tempera-
ture, wait 5 minutes before checking
oil.
If the engine is at operating tempera-
ture yet, you must wait 30 minutes be-
fore checking oil.If there is excess engine oil with the engine
at normal operating temperature, the
following message will appear:
Engine oil level
Reduce
oil level
Have excess oil siphoned or drained
off. Contact an authorized
Mercedes-Benz Center.
For more information on messages in the
display concerning engine oil, see the
“Practical hints” section (
page 375).
!
Excess oil must be siphoned or drained off.
It could cause damage to the engine and catalyt-
ic converter not covered by the Mercedes-Benz
Limited Warranty.