ContentsSafety and Security........................... 61
Occupant safety................................... 62
Air bags .......................................... 63
Seat belts ....................................... 69
Active head restraints .................... 73
Children in the vehicle .................... 74
Blocking of rear side
window operation ........................... 85
Panic alarm .......................................... 86
Activating ....................................... 86
Deactivating ................................... 86
Driving safety systems ......................... 87
ABS ................................................ 87
BAS ................................................ 89
ESP
®.............................................. 90
Anti-theft systems................................ 93
Immobilizer..................................... 93
Anti-theft alarm system .................. 93
Tow-away alarm* ........................... 95
Controls in detail............................... 97
Locking and unlocking ......................... 98
SmartKey ....................................... 98
SmartKey with KEYLESS-GO* ...... 103
Opening the doors
from the inside ............................. 110
Opening the trunk ........................ 111
Closing the trunk.......................... 113
Trunk emergency release ............. 118
Valet locking ................................ 119
Automatic central locking ............ 120
Locking and unlocking
from the inside ............................. 121
Seats ................................................. 122
Front seat active head restraints . 122
Rear seat head restraints ............. 122
Multicontour seat* ....................... 125
Seat heating* ............................... 126
Seat ventilation* .......................... 127
Memory function ............................... 128
Storing positions into memory ..... 129
Recalling positions from memory . 129
Storing exterior rear view
mirror parking position................. 130Lighting ............................................. 131
Exterior lamp switch .................... 131
Combination switch ..................... 135
Corner-illuminating front
fog lamps* (CLK with
Bi-Xenon* headlamps)................. 135
Hazard warning flasher ................ 137
Interior lighting ............................ 138
Door entry lamps ......................... 139
Trunk lamp ................................... 139
Instrument cluster ............................. 140
Instrument cluster illumination .... 140
Coolant temperature indicator ..... 141
Trip odometer .............................. 141
Tachometer.................................. 142
Clock............................................ 142
Outside temperature indicator ..... 142
Control system .................................. 143
Multifunction display.................... 144
Multifunction steering wheel........ 144
Menus .......................................... 146
Standard display menu ................ 148
AUDIO menu ................................ 149
NAV* menu .................................. 150
Vehicle status
message memory menu ............... 151
25 At a glance
Instrument cluster
Item
Page
1
LLeft turn signal indica-
tor lamp
53
2
vESP
® warning lamp
365
3
Speedometer
4
Multifunction display
144
5
lDistance warning
lamp
Warning lamp without func-
tion. It illuminates with the ig-
nition on. It should go out
when the engine is running.
6
KRight turn signal indi-
cator lamp
53
7
Coolant temperature indi-
cator with:
141
•Coolant temperature
warning lamp
364,
385
Item
Page
8
Tachometer with:
142
1Supplemental
Restraint System
(SRS) indicator lamp
367,
395
-Antilock Brake Sys-
tem (ABS) indicator
lamp
360
366
AHigh beam headlamp
indicator lamp
135
BLow beam headlamp
indicator lamp
135
9
Main odometer with:
Gear selector lever posi-
tion
171
Program mode
176
Item
Page
a
Clock with:
157
;Brake warning lamp,
USA only
361
3Brake warning lamp,
Canada onlyúEngine malfunction in-
dicator lamp,
USA only
362
±Engine malfunction in-
dicator lamp,
Canada only
362
b
Fuel display with:AFuel reserve warning
lamp
365
c
Reset button for:
Resetting trip odometer
141
Adjusting instrument
cluster illumination
140
Confirming new time set-
tings
157
50 Getting startedDrivingStarting difficulties
If the engine does not start as described,
carry out the following steps:
If you are starting the engine with the
SmartKey, turn SmartKey in starter
switch to position0 and repeat starting
procedure.
If you are starting the engine with
KEYLESS-GO*: Close any doors that
may be open to allow for better detec-
tion of the SmartKey with
KEYLESS-GO*.
Or:
Start the engine with the SmartKey as
radio signals from another source may
be interfering with the SmartKey with
KEYLESS-GO*.
Repeat the starting procedure
(page 48).
Remember that extended starting at-
tempts can drain the battery.
Get a jump start (
page 430).If the engine does not start after several
starting attempts, there could be a mal-
function in the engine electronics or in the
fuel supply system.
Notify an authorized Mercedes-Benz
Center.
Parking brake
1Release handle
2Parking brake pedal
Release the parking brake by pulling on
release handle1.
The indicator lamp; (USA only)
or3 (Canada only) in the clock
goes out.
Warning!
G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Children could release the
parking brake, which could result in an acci-
dent and/or serious personal injury.
120 Controls in detailLocking and unlocking
Close the trunk (
page 113).
Pull the mechanical key out of the
SmartKey (
page 404).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position2 and remove the mechani-
cal key in that position to lock the
trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position1 and remove
the mechanical key in that position to
unlock the trunk.
You can now open the trunk
(page 111).
Automatic central locking
The doors and the trunk automatically lock
when the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or more.
You can open a locked door from the
inside. Open doors only when conditions
are safe to do so.
You can deactivate the automatic locking
mode using the control system, see “Set-
ting automatic locking” (
page 163).
iYou can only cancel the separate trunk
locking mode by means of the
mechanical key.
iThe doors unlock automatically after an
accident if the force of the impact
exceeds a preset threshold.
To prevent the vehicle door locks from
locking, deactivate the automatic
central locking when the vehicle
is pushed or towed
is on a test stand
140 Controls in detailInstrument clusterFor a full view illustration of the instrument
cluster, see “Instrument cluster”
(page 24).
1Reset button
The instrument cluster is activated when
you
open a door
switch on the ignition (
page 36)
press the reset button1
switch on the exterior lamps
You can change the instrument cluster
settings in the Instrument cluster submenu
of the control system (
page 155).
Instrument cluster illumination
Use the reset button1 to adjust the
illumination brightness for the instrument
cluster.To brighten illumination
Turn reset button1 clockwise.
The instrument cluster illumination will
brighten.
To dim illumination
Turn reset button1 counterclock-
wise.
The instrument cluster illumination will
dim.
Warning!
G
No messages will be displayed if either the
instrument cluster or the multifunction
display is inoperative.
As a result, you will not be able to see infor-
mation about your driving conditions, such
as speed or outside temperature, warn-
ing/indicator lamps, malfunction/warning
messages or the failure of any systems.
Driving characteristics may be impaired.
If you must continue to drive, please do so
with added caution. Visit an authorized
Mercedes-Benz Center as soon as possible.
iThe instrument cluster illumination is
dimmed or brightened automatically to
suit ambient light conditions.
The instrument cluster illumination will
also be adjusted automatically when
you switch on the vehicle’s exterior
lamps.
142 Controls in detailInstrument clusterTachometer
The red marking on the tachometer
(page 24) denotes excessive engine
speed.
To help protect the engine, the fuel supply
is interrupted if the engine is operated
within the red marking.
Clock
In vehicles with Audio 20, the clock can be
set via the control system (
page 157).
Outside temperature indicator
The outside temperature is indicated in the
multifunction display (
page 144).The temperature sensor is located in the
front bumper area. Due to its location, the
sensor can be affected by road or engine
heat during idling or slow driving. This
means that the accuracy of the displayed
temperature can only be verified by com-
parison to a thermometer placed next to
the sensor, not by comparison to external
displays (e.g. bank signs etc.).
When moving the vehicle into colder ambi-
ent temperatures (e.g. when leaving your
garage), you will notice a delay before the
lower temperature is displayed.
A delay also occurs when ambient temper-
atures rise. This prevents inaccurate tem-
perature indications caused by heat
radiated from the engine during idling or
slow driving.
!Avoid driving at excessive engine
speeds, as it may result in serious
engine damage that is not covered by
the Mercedes-Benz Limited Warranty.iVehicles with COMAND*:
For information on setting the time in
COMAND, refer to the separate
COMAND operating instructions.
Warning!
G
The outside temperature indicator is not de-
signed to serve as an ice-warning device and
is therefore unsuitable for that purpose.
Indicated temperatures just above the freez-
ing point do not guarantee that the road sur-
face is free of ice. The road may still be icy,
especially in wooded areas or on bridges.
157 Controls in detail
Control system
Time/Date submenu
Access the
Time/Date
submenu via the
Settings
menu. Use the
Time/Date
submenu to change the instrument cluster
display settings.
The following functions are available:Setting time (hours)
This function can only be seen in vehicles
with audio system.
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Clock, hours
Confirm by press. R
appears in the
multifunction display.
The selection marker is on the hour
setting.
Press buttonæ orç to set the
hour.
Press the reset button in the instru-
ment cluster (
page 140) to confirm.
The hour is set and stored.
Function
Page
Setting the time (hours)
157
Setting the time (minutes)
158
Setting the date (month)
158
Setting the date (day)
159
Setting the date (year)
159
iThe
Time/Date
submenu is not shown
in vehicles with COMAND*.
iVehicles with COMAND*:
For information on setting the time in
COMAND, refer to the separate
COMAND operating instructions.
158 Controls in detailControl systemSetting time (minutes)
This function can only be seen with audio
system.
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Clock, minutes
Confirm by press. R
appears in the
multifunction display.
The selection marker is on the minutes
setting.
Press buttonæ orç to set the
minutes.
Press the reset button in the instru-
ment cluster (
page 140) to confirm.
The minutes are set and stored.Setting the date (month)
This function can only be seen with audio
system.
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Set date month
appears in the multifunction display.
The selection marker is on the month
setting.
iVehicles with COMAND*:
For information on setting the time in
COMAND, refer to the separate
COMAND operating instructions.
iVehicles with COMAND*:
For information on setting the date in
COMAND, refer to the separate
COMAND operating instructions.