ContentsSafety and Security........................... 55
Occupant safety................................... 56
Airbags ........................................... 57
Seat belts ....................................... 62
Children in the vehicle .................... 66
Blocking of rear side
window operation ........................... 72
Panic alarm .......................................... 73
Activating ....................................... 73
Deactivating ................................... 73
Driving safety systems ......................... 74
ABS ................................................ 74
BAS ................................................ 76
ESP ................................................. 76
Anti-theft systems................................ 79
Immobilizer..................................... 79
Anti-theft alarm system .................. 80
Tow-away alarm ............................. 81
Controls in detail............................... 83
Locking and unlocking ......................... 84
Keys ............................................... 84
SmartKey with KEYLESS-GO* ........ 88
Opening the doors from the inside . 92
Opening the trunk from the inside . 92
Trunk lid emergency release .......... 93
Closing the trunk lid ....................... 94
Separately locking the trunk .......... 94
Separately unlocking the trunk ...... 95
Automatic central locking .............. 95
Locking and unlocking
from the inside ............................... 95
Seats ................................................... 97
Easy-entry/exit feature .................. 97
Head restraints .............................. 97
Multicontour seat* ....................... 100
Heated seats* .............................. 101
Memory function ............................... 102
Storing positions into memory ..... 103
Recalling positions from memory . 103
Storing parking position ............... 103Lighting ............................................. 105
Exterior lamp switch .................... 105
Combination switch ..................... 107
Hazard warning flasher ................ 108
Interior lighting ............................ 109
Door entry lamps ......................... 110
Instrument cluster ............................. 111
Instrument cluster illumination .... 111
Coolant temperature display ........ 112
Trip odometer .............................. 112
Tachometer .................................. 113
Outside temperature indicator ..... 113
Control system .................................. 114
Multifunction display.................... 114
Multifunction steering wheel........ 115
Menus .......................................... 117
Standard display menu ................ 119
AUDIO menu ................................ 119
NAV menu .................................... 121
Distronic* menu .......................... 121
Malfunction memory menu .......... 122
Settings menu .............................. 123
Trip computer menu..................... 136
TEL menu* ................................... 138
Contents
Practical hints................................. 275
What to do if …?................................. 276
Lamps in instrument cluster ........ 276
Lamp in center console................ 282
Messages in the display ............... 283
Where will I find...? ............................ 305
First aid kit ................................... 305
Vehicle tool kit ............................. 305
Minispare wheel ........................... 307
Unlocking/locking in an emergency .. 310
Unlocking the vehicle ................... 310
Locking the vehicle ...................... 311
Changing batteries ....................... 312
Fuel filler flap ............................... 313
Manually unlocking the
transmission selector lever .......... 313
Opening/closing in an emergency..... 314
Sliding/pop-up roof ..................... 314
Replacing bulbs ................................. 316
Bulbs ............................................ 316
Replacing bulbs for front lamps ... 318
Side marker lamp bulb ................. 321
Replacing bulbs for rear lamps..... 322Replacing wiper blades....................... 323
Removing ...................................... 323
Installing ....................................... 323
Flat tire ............................................... 324
Preparing the vehicle .................... 324
Mounting the Minispare wheel ...... 324
Battery................................................ 329
Disconnecting the battery............. 330
Removing the batteries ................. 330
Charging and
reinstalling batteries ..................... 330
Reconnecting the batteries ........... 331
Jump starting ...................................... 332
Towing the vehicle .............................. 334
Towing the vehicle ........................ 334
Installing towing eye bolt .............. 336
Fuses .................................................. 337
Fuse box in
passenger compartment ............... 337
Fuse box in engine compartment.. 337
Auxiliary fuse box in trunk............. 338
Technical data.................................. 339
Spare parts service ............................ 340
Warranty coverage ............................. 341
Loss of Service and Warranty
Information Booklet ...................... 341
Identification labels ............................ 342
Layout of poly-V-belt drive.................. 343
CLK320 / CLK500 /
CLK 55 AMG ................................. 343
Engine ................................................ 344
Rims and tires .................................... 345
Same size tires ............................. 345
Mixed size tires ............................. 346
Minispare wheel............................ 347
Electrical system ................................ 348
Main dimensions ................................ 349
Weights .............................................. 350
28 At a glanceDoor control panel
Door control panel
Item
Page
1
Door handle
92
2
Seat adjustment
35, 97
3
Memory function (for stor-
ing seat, mirror and steer-
ing wheel settings)
102
4
Switches for opening/clos-
ing front door windows
188
5
Rear window override
switch
72
6
Switches for opening/clos-
ing rear windows
188
7
Remote trunk lid release
switch
92
30 Getting startedUnlockingThe“Getting started” section provides an
overview of the vehicle’s most basic func-
tions. First-time Mercedes-Benz owners
should pay special attention to the infor-
mation given here.
If you are already familiar with the basic
functions described here, the “Controls in
detail” section will help you with further in-
formation. The corresponding page refer-
ences are at the end of each segment.
UnlockingUnlocking with the SmartKeySmartKey with remote control 1‹
Lock button
2
Š
Unlock button for trunk lid
3
Œ
Unlock button
4
Â
Panic button (
page 73)
Press unlock button
Œ
on the key.
All turn signal lamps blink once. The
locking knobs in the doors move up.
Get in the vehicle and insert the key in
the starter switch.iOpening a door causes the windows on
that side of the car to open slightly.
They will return to the up position when
the door is closed.
53 Getting started
Parking and locking
1Lock button on the door handle
After exiting the vehicle, press lock
button1 on the door handle or on the
trunk lid.
The locking knobs on the doors move
down. The turn signal indicators light
up briefly.More information can be found in the
“Controls in detail” section (
page 84).
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be espe-
cially careful when small children are
around.
Before closing doors, make sure that there
is no possibility of someone getting caught
in a door during closing.iOpening a door causes the windows on
that side of the car to open slightly.
They will return to the up position when
the door is closed.
Warning!
G
When leaving the vehicle, always remove the
key from the starter switch, take the
SmartKey with KEYLESS-GO* (if so
equipped) with you, and lock your vehicle.
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.
70 Safety and SecurityOccupant safetyInstallation of infant and child restraint
systems
1Anchorage ring
2Hook
Anchorage rings1 are located on the rear
side of outer rear backrests.Prior to installing a tether strap, note the
following steps:
Open the trunk and release the back-
rest.
Fold backrest forward.
Guide top tether strap between head
restraint and top of seat back.
Head restraint must be installed and
positioned such that the top tether
strap can pass freely between the head
restraint and the top of seat back.
Make sure that the tether strap is not
twisted.
Fold backrest back until it locks in
place.
Fold up anchorage ring1.
Securely fasten hook2, which is part of
the tether strap, to anchorage ring1.Warning!
G
Always lock backrest in its upright position
when rear seat bench is occupied by pas-
sengers, or the extended cargo area is not in
use. Check for secure locking by pushing
and pulling on the backrest.iFor safety, please make sure that the
hook has attached to the ring beyond
the safety catch.
80 Safety and SecurityAnti-theft systemsAnti-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
the vehicle is opened with the mechan-
ical key.Arming the alarm system
The alarm system is armed after locking
the vehicle with the remote control or
KEYLESS-GO*. The turn signal lamps blink
three times to indicate that the alarm sys-
tem is activated. The indicator lamp in the
switch for the tow-away alarm will blink af-
ter approximately 10 seconds when the
alarm system is completely armed
(
page 25).Disarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the remote con-
trol or KEYLESS-GO*. The turn signal
lamps blink once to indicate that the alarm
system is deactivated
Canceling the alarm
To cancel the alarm:
With the key
Insert the key in the starter switch.
or
Press the
Œ
or
‹
button.
With KEYLESS-GO*
Grasp the outside door handle.
or
Press the KEYLESS-GO* start/stop
button.
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.
iIf the turn signal lamps do not blink
three times one of the following ele-
ments may not be properly closed:
a door
the trunk lid
the hood
Close the respective element and lock
the vehicle again.
84 Controls in detailLocking and unlockingIn the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed on your vehi-
cle. 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 unlockingKeys
Your vehicle comes supplied with two
SmartKeys with remote controls and a re-
movable mechanical key. The locking tabs
for the mechanical key portion of the two
keys are a different color to help distin-
guish each key unit.
The remote control key provides an ex-
tended operating range. To prevent theft,
however, it is advisable to only unlock the
vehicle when you are in close proximity to
it.
The key centrally locks and unlocks:
the doors
the trunk
the fuel filler flap
SmartKey with remote controls1‹
Lock button
2
Š
Unlock button for trunk lid
3Mechanical key locking tab
4
Œ
Unlock button
5Battery check lamp
6
Â
Panic button (
page 73)
iYou can also open and close the power
windows (
page 188) and slid-
ing/pop-up roof (
page 191) using
the SmartKey.