Page 39 of 341
36 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
If the vehicle has previously been locked from the
outside, opening a door from the inside will trigger the
alarm. When opening a door while the central locking
system is in the:
•selective unlocking mode, only that individual door
is unlocked. The remaining doors, the trunk and
fuel filler flap remain locked.
•global unlocking mode, all doors, the trunk and fuel
filler f lap are unlocked.
Notes:
In case of a malfunction in the central locking system
the doors can be locked and unlocked individually.
To lock, push down lock buttons and turn m echanical
key in driver’s door lock to position 3. In addition lock
the trunk.To unlock, pull inside door handles or turn mechanical
key in driver’s door lock to position 2.
Rear doors can only be opened from inside by first
pulling up the door lock button.
When unlocking the driver’s door with the mechanical
key, the exterior lamps will flash and the alarm will
sound.
To cancel the alarm, insert the electronic key in the
steering lock or press buttonŒ or‹ on the
electronic main key.
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Page 40 of 341
37 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Central locking switch
1Locking
2Unl ock ing
The central locking switch is located in the center
console.
The doors and trunk can only be locked with the central
locking switch if both front doors are closed.
If the vehicle was previously locked with the central
locking switch, while in the selective remote control
mode, only the door opened from the inside is unlocked.If the vehicle was previously locked with the central
locking switch, while in the global remote control mode,
the complete vehicle is unlocked when a front door is
opened from the inside.
Notes:
If the vehicle was previously locked with the remote
control, the doors and trunk cannot be unlocked with
the central locking switch.
The fuel filler flap cannot be locked or unlocked with
the central locking switch.
If the vehicle has previously been locked from the
outside, opening a door from the inside will trigger the
alarm. To cancel the alarm, insert the electronic key in
the steering lock or press buttonŒ or‹ on the
electronic main key.
Wa r n i n g !
When leaving the vehicle always remove the
electronic key from the steering lock, and lock your
vehicle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may cause
serious personal injury.
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Page 41 of 341
38 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Automatic central locking
The central locking switch also operates the automatic
central locking.
With the automatic central locking system activated, the
doors and trunk are locked at vehicle speeds of
approximately 9 mph (15 km / h) or more. The fuel filler
flap remains unlocked.
To a ctiva te:
With electronic key in steering lock position 2 hold
upper portion of switch (1) for a minimum of 5 seconds.
To deactivate:
With electronic key in steering lock position 2 hold
lower portion of switch (2) for a minimum of 5 seconds.
Notes:
If doors are unlocked with the central locking switch
after activating the automatic central locking, and
neither door is opened, then the doors remain unlocked
even at vehicle speeds of approximately 9 mph
(15 km / h) or more.If a door is opened from the inside at speeds of
approximately 9mph (15km/h) or less with the
automatic central locking activated, the door will again
be automatically locked at speeds of approximately
9mph (15km/h) or more.
Important!
When towing the vehicle, or with the vehicle on a
dynamometer test stand, please, note the following:
With the automatic central locking activated and the
electronic key in steering lock position 2, the vehicle
doors will lock if the left front wheel as well as the right
rear wheel spin at vehicle speeds of approximately
9mph (15km/h) or more.
To prevent the vehicle door locks from locking,
deactivate the automatic central locking.
Emergency unlocking in case of accident
The doors unlock automatically a short time after a
strong deceleration is detected, such as in a collision
(this is intended to aid rescue and exit).
Driving on rough roads may cause the vehicle to unlock.
If necessary, the vehicle can be locked again with the
central locking switch, see page 37.
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Page 42 of 341
39 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk
When the trunk is separately locked, it remains locked
when centrally unlocking the vehicle.
To deny any unauthorized person access to the trunk,
lock it separately with the mechanical key. Leave only
the electronic main key less its mechanical key with the
vehicle.
Notes:
In case of a malfunction in the central locking system
the trunk can be unlocked individually.
To unlock and open the trunk lid, turn mechanical key
to position 1, hold and push to open.
The mechanical key does not operate the central locking
system or antitheft alarm system.
When unlocking the trunk with the mechanical key, the
exterior lamps will flash and the alarm will sound.
To cancel the alarm, insert the electronic key in the
steering lock or press buttonŒ or‹ on the
electronic main key.
If the fuel filler flap cannot be opened, see page 296.Important!
Do not place mechanical key inside trunk, since trunk is
locked again when the lid is closed if the vehicle has
been previously centrally locked.
Wa r n i n g !
To prevent possible personal injury, always keep
hands and fingers away from the trunk opening
when closing the trunk lid. Be especially careful
when small children are around.
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Page 45 of 341
42 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Trunk lid emergency release
The emergency release button (1) is located in the trunk
lid.
Briefly press emergency release button (1).
All doors, the fuel filler flap, and the trunk unlock; and
the trunk lid opens.Note:
The emergency release button (1) only unlocks and
opens the trunk while the vehicle is standing.
Important!
The emergency trunk lid release button (1) does not
open the trunk lid, if:
•the vehicle battery is discharged or disconnected,
•the trunk lid was previously locked separately with
the mechanical key, see page 39.
Illumination of the emergency release button (1):
The button will blink for 30 minutes after opening the
trunk.
The button will blink for 60 minutes after closing the
trunk.
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Page 90 of 341
87 Instrument cluster
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index 1Push buttons for intensity of instrument lamps, see
page 89
2Push button for resetting trip odometer, see page 91,
or to acknowledge a malfunction warning message,
see page 108
3Coolant temperature gauge, see page 90
4Fuel gauge with reserve and fuel cap placement
warning lamp, see page 236
5Outside temperature indicator, see page 90
6Left turn signal indicator lamp, see combination
switch on page 122
7ESP warning lamp, see page 2378Speedometer
9Trip odometer, see page 91 and 96
10Main odometer, see page 96
11Multifunction indicator, see page 92,
or FSS indicator, see page 114,
or engine oil level indicator, see page 117
12Right turn signal indicator lamp, see combination
switch on page 122
13Tachometer, see page 91
14Gear range indicator display, see page 196
15Clock, see page 110
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Page 91 of 341
88 Instrument cluster
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Indicator lamps in the instrument cluster
High beam
ABS malfunction, see page 237
Brake fluid low (except Canada).
Parking brake engaged, see page 202
Brake fluid low (Canada only).
Parking brake engaged, see page 202
BAS malfunction, see page 237
ESP malfunction, see page 237
Fasten seat belts, see page 60
ESP. Adjust driving to road condition,
see page , see page 237Engine malfunction indicator lamp. If the
“CHECK ENGINE” malfunction indicator
lamp comes on when the engine is running,
it indicates a malfunction of the fuel
management system, emission control
system, systems which impact emissions, or
the fuel cap is not closed tight. In all cases,
we recommend that you have the
malfunction checked as soon as possible, see
page 234
SRS malfunction, see page 236
Function indicator lamp on the center console
Front passenger airbag automatically
switched off, see page 238
ABSBRAKE
CHECK
ENGINESRS
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Page 94 of 341
91 Instrument cluster
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trip odometer (9)
To reset to “0” miles / km:
Activate the instrument cluster if it is not already
activated, see page 89.
Press button è or ÿ on the multifunction
steering wheel repeatedly until the trip odometer
appears if it is not displayed, see page 96.
Press buttonJ(2) on the instrument cluster.Tachometer (13)
The red marking on tachometer denotes excessive
engine speed.
Avoid this engine speed, as it may result in serious
engine damage that is not covered by the
Mercedes-Benz Limited Warranty.
To help protect the engine, the fuel supply is interrupted
if the engine is operated within the red marking.
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