ContentsControls in detail............................... 73
Locking and unlocking ......................... 74
Keys ............................................... 74
Opening the doors from the inside . 77
Opening the trunk .......................... 77
Closing the trunk ............................ 78
Trunk lid emergency release .......... 78
Automatic central locking .............. 79
Locking and unlocking from the
inside ............................................. 80
Seats.................................................... 81
Removing and installing head
restraints ........................................ 81
Heated seats* ................................ 82
Lighting ................................................ 83
Exterior lamp switch ....................... 83
Combination switch........................ 85
Hazard warning flasher................... 86
Interior lighting ............................... 87
Instrument cluster ............................... 89
Instrument cluster illumination....... 89
Coolant temperature gauge............ 89
Trip odometer................................. 90
Tachometer .................................... 90
Outside temperature indicator ....... 91Setting clock .................................. 91
Manual transmission ........................... 92
Shifting into reverse ....................... 92
Automatic transmission* ..................... 93
One-touch gearshifting................... 94
Gear ranges.................................... 95
Gear selector lever position ........... 95
Program mode selector switch....... 97
Accelerator position ....................... 98
Emergency operation (Limp Home
Mode)............................................. 98
Good visibility ...................................... 99
Headlamp cleaning system* .......... 99
Rear view mirror............................. 99
Sun visors .................................... 100
Rear window defroster ................. 101
Climate control .................................. 102
Setting the temperature ............... 104
Adjusting air volume .................... 105
Adjusting air distribution .............. 105
Air recirculation mode .................. 106
Air conditioning ............................ 106
Residual heat ............................... 107
Basic settings............................... 108
Special settings............................ 109Deactivating the climate control
system ......................................... 110
Audio system ..................................... 111
Audio and telephone, operation ... 111
Operating safety .......................... 111
Operating and display elements... 112
Anti-theft system ......................... 114
Button and soft key operation...... 115
Operation ..................................... 115
Radio mode .................................. 116
Cassette mode............................. 118
CD mode ...................................... 121
Telephone* operation .................. 125
Power windows ................................. 128
Opening and closing the windows 128
Retractable hardtop........................... 130
Opening and closing the
retractable hardtop ...................... 130
Wind screen ................................. 135
Driving systems ................................. 136
Cruise control .............................. 136
Useful features .................................. 139
Interior storage spaces ................ 139
Ashtray ........................................ 142
Cigarette lighter ........................... 143
Telephone* .................................. 143
71 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
Removing the key from the steering
lock activates the immobilizer.
Deactivating
Inserting the key in the steering lock
deactivates the immobilizer.
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
a door
the trunk
the hood
The alarm system will also be triggered
when
someone attempts to raise the vehicle.Arming the alarm system
The alarm system is armed within approxi-
mately ten seconds after locking the vehi-
cle. The indicator lamp in the switch for the
tow-away alarm (
page 72) will then
blink.
Disarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the remote con-
trol.
Canceling the alarm
To cancel the alarm:
Insert the key in the steering lock.
or
Press theŒ or‹button.
The alarm is canceled.
iIn case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Center
or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
iIf the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem provided Tele Aid service was
subscribed to and properly activated,
and that necessary cellular service and
GPS coverage are available.
74 Controls in detailLocking and unlocking
In the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed in your vehicle.
If you are already familiar with the basic
functions of your vehicle, this section will
be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are giv-
en at the beginning of each segment.
Locking and unlocking
Keys
Your vehicle comes supplied with two re-
mote controls with folding key.
The remote control provides an extended
operating range. To prevent theft, howev-
er, it is advisable to only unlock the vehicle
when you are in close proximity to it.
The remote control centrally locks and un-
locks:
the doors
the trunk
the fuel filler flap
the storage compartment in armrest
You can lock and unlock each individual
lock with the key.
Remote control with folding key1ŒUnlock button
2
‹
Lock button
3Release button for key
4Battery check lamp
5ÂPanic button (
page 65)
!To prevent possible malfunction, avoid
exposing the remote control to high
levels of electromagnetic radiation.
75 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if neither door nor trunk is opened,
the key is not inserted in the steering lock,
or the central locking switch is not
activated.
Global locking
Press button‹.
All turn signal lamps flash three times.
The locking knobs in the doors move
down.Selective setting
If you frequently travel alone, you may wish
to reprogram the remote control so that
pressingŒ only unlocks the driver’s
door, the storage compartment in the arm-
rest and the fuel filler flap.
Press and hold buttons Œ and
‹simultaneously for about five sec-
onds until battery check lamp4 flash-
es twice.
The remote control will then function
as follows:
Unlocking driver’s door, storage com-
partment in armrest and fuel filler flap
Press buttonŒ once.
Global unlocking
Press buttonŒ twice.
Global locking
Press button‹.
Restoring to factory setting
Press and hold buttonsŒand‹
simultaneously for about six seconds
until battery check lamp4 flashes
twice.
iIf the turn signal lamps do not flash
three times, one of the following ele-
ments may not be properly closed:
a door
the trunk
Close the respective element and lock
the vehicle again.
Warning!
G
When leaving the vehicle, always remove the
key from the steering lock and lock the vehi-
cle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehi-
cle. It is possible for children to open a
locked door from the inside, which could re-
sult in an accident and/or serious injury.
76 Controls in detailLocking and unlocking
Checking the batteries
Press button‹orŒ longer than
one second.
The battery check lamp4comes on
briefly to indicate that the key batteries
are in order.Loss of remote control with folding key
If you lose a remote control or the folding
key, you should do the following:
Have the remote control deactivated
by an authorized Mercedes-Benz
Center.
Report the loss of the remote control or
the folding key immediately to your car
insurance company.
If necessary have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
!If you can no longer lock or unlock the
vehicle with the remote control, then
either the batteries in the remote con-
trol are discharged, the remote control
is malfunctioning, or the vehicle battery
is drained.
Check the batteries in the remote
control and replace them if neces-
sary (
page 216)
Synchronize the remote control
(page 219)
Check the vehicle battery
(page 251)
Use the folding key to unlock the
doors (
page 216) and the trunk
(
page 216) as required. Lock the
vehicle using the folding key
(page 217).
If the remote control is malfunctioning,
contact an authorized Mercedes-Benz
Center.
!If battery check lamp4 does not light
up briefly during the check, then the re-
mote control batteries are discharged.
Replace the batteries (
page 218).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing
the‹orŒ button will lock or
unlock the vehicle accordingly.
77 Controls in detail
Locking and unlocking
Opening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handle
Pull on door handle2.
If a door was locked, the locking
knob1 will move up.
Opening the trunk
A minimum height clearance of 5.97 ft
(1.82 m) is required to open the trunk lid.
The handle is located above the rear li-
cense plate recess.
1Trunk lid lock
2Handle
Pull on handle2 and lift the trunk lid.The trunk can also be opened from its in-
side in an emergency, see “Trunk lid emer-
gency release” (
page 78).
!Always make sure there is sufficient
overhead clearance.
iThe vehicle must be unlocked.
78 Controls in detailLocking and unlockingClosing the trunk
The recess is located on the inner side of
the trunk lid.
1Recess
Lower trunk lid by pulling firmly on
recess1.
Close trunk lid with hands placed flat
on it.
Trunk lid emergency release
The handle for the trunk lid emergency re-
lease is located on the inside of the trunk
lid.
1Handle
Pull handle1 in direction of arrow to
open the trunk lid.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk. Be espe-
cially careful when small children are
around.Warning!
G
Only drive with the trunk closed as, among
other dangers such as visibility blockage,
exhaust fumes may enter the vehicle
interior.iTo prevent an inadvertent lockout, do
not place the key in the trunk.
!The emergency release handle unlocks
and opens the trunk while the vehicle is
standing or driving.
79 Controls in detail
Locking and unlocking
Automatic central locking
The doors and the trunk automatically lock
when the ignition is switched on and the
left front wheel turns at vehicle speeds of
approximately 9 mph (15 km/h) or more.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.Information on towing the vehicle can be
found in the “Practical hints” section
(
page 199).
The switch is located on the upper center
console.
Central locking switch1Locking
2Unlocking
iOpening the trunk from the inside will
trigger the anti-theft alarm system. To
cancel the alarm, do one of the follow-
ing:
Press buttonŒor‹on the
key.
Insert the key in the steering lock
and turn it to position 2.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
To prevent the vehicle door locks from
locking, deactivate the automatic cen-
tral locking when the vehicle
is pushed or towed
is on a test stand