ContentsSafety and Security........................... 59
Occupant safety................................... 60
Air bags .......................................... 61
Seat belts ....................................... 67
Roll bars ......................................... 71
Children in the vehicle .................... 72
Blocking of rear side
window operation ........................... 82
Panic alarm .......................................... 83
Activating ....................................... 83
Deactivating ................................... 83
Driving safety systems ......................... 84
ABS ................................................ 84
BAS ................................................ 85
ESP ................................................. 86
Anti-theft systems................................ 89
Immobilizer..................................... 89
Anti-theft alarm system .................. 89
Tow-away alarm ............................. 91
Controls in detail............................... 93
Locking and unlocking ......................... 94
SmartKey ....................................... 94
SmartKey with KEYLESS-GO* ........ 98
Opening the doors
from the inside ............................. 105
Opening the trunk ........................ 106
Closing the trunk.......................... 107
Trunk lid emergency release ........ 109
Automatic central locking ............ 110
Locking and unlocking
from the inside ............................. 110
Seats ................................................. 112
Easy-entry/exit feature ................ 112
Removing and installing
front seat head restraints............. 113
Rear seat head restraints ............. 114
Multicontour seat* ....................... 116
Seat heating* ............................... 117
Seat ventilation* .......................... 118Memory function ............................... 119
Storing positions into memory ..... 120
Recalling positions from memory . 120
Storing exterior rear view
mirror parking position ................ 121
Lighting ............................................. 122
Exterior lamp switch .................... 122
Combination switch ..................... 126
Cornering fog lamps*
(CLK 320 with
Bi-Xenon* headlamps) ................. 126
Hazard warning flasher ................ 127
Interior lighting ............................ 128
Door entry lamps ......................... 129
Trunk lamp ................................... 129
Instrument cluster ............................. 130
Instrument cluster illumination .... 130
Coolant temperature indicator ..... 131
Trip odometer .............................. 131
Tachometer .................................. 132
Outside temperature indicator ..... 132
ContentsSoft top .............................................. 244
Opening and closing the soft top . 244
Driving systems ................................. 255
Cruise control............................... 255
Parktronic system
(Parking assist)* ........................... 260
Loading .............................................. 264
Ski sack* ...................................... 264
Loading instructions ..................... 268
Useful features .................................. 269
Storage compartments................. 269
Ashtrays ....................................... 273
Cigarette lighter ........................... 274
Electrical outlet in the
rear passenger compartment ....... 275
Floormats* ................................... 275
Telephone*................................... 276
Tele Aid ........................................ 277
Garage door opener ..................... 284
Operation......................................... 289
The first 1 000 miles (1 500 km)......... 290
Driving instructions............................ 291
Drive sensibly – save fuel ............. 291
Drinking and driving ..................... 291
Pedals .......................................... 291
Power assistance ......................... 291
Brakes .......................................... 292
Driving off .................................... 294
Parking ......................................... 294
Tires ............................................. 295
Hydroplaning ................................ 295
Tire traction.................................. 296
Tire speed rating .......................... 296
Winter driving instructions ........... 297
Standing water ............................. 298
Passenger compartment .............. 299
Driving abroad.............................. 299
Control and operation
of radio transmitters .................... 299
Catalytic converter ....................... 300
Emission control .......................... 300
Coolant temperature .................... 301At the gas station .............................. 302
Refueling ...................................... 302
Check regularly and
before a long trip ......................... 304
Engine compartment ......................... 305
Hood ............................................ 305
Engine oil ..................................... 306
Transmission fluid level ................ 309
Coolant ........................................ 310
Battery ......................................... 311
Windshield washer system and
headlamp cleaning system*......... 312
Tires and wheels................................ 313
Important guidelines .................... 313
Tire care and maintenance........... 314
Direction of rotation..................... 316
Loading the vehicle ...................... 316
Recommended
tire inflation pressure ................... 322
Checking tire inflation pressure ... 324
Tire labeling ................................. 326
Load identification ....................... 330
DOT, Tire Identification Number
(TIN) ............................................. 330
Maximum tire load ....................... 332
Maximum tire inflation pressure .. 332
10 IntroductionOperator’s ManualThis Operator’s Manual contains a great
deal of useful information. We urge you to
read it carefully and familiarize yourself
with the vehicle before driving.
For your own safety and longer service life
of the vehicle, we urge you to follow the in-
structions and warnings contained in this
manual. Ignoring them could result in dam-
age to the vehicle or personal injury to you
or others. Vehicle damage caused by fail-
ure to follow instructions is not covered by
the Mercedes-Benz Limited Warranty.
Your vehicle may have some or all of the
equipment described in this manual.
Therefore, you may find explanations for
optional equipment not installed in your
vehicle. If you have any questions about
the operation of any equipment, your
authorized Mercedes-Benz Center will be
glad to demonstrate the proper proce-
dures.We continuously strive to improve our
product, and ask for your understanding
that we reserve the right to make changes
in design and equipment. Therefore, infor-
mation, illustrations and descriptions in
this Operator’s Manual might differ from
your vehicle.
Optional equipment is also described in
this manual, including operating instruc-
tions wherever necessary. Since they are
special-order items, the descriptions and
illustrations herein may vary slightly from
the actual equipment of your vehicle.
If there are any equipment details that are
not shown or described in this Operator’s
Manual, your authorized Mercedes-Benz
C e n t e r w i l l b e g l a d t o i n f o r m y o u o f c o r r e c t
care and operating procedures. The
Operator’s Manual and Maintenance
Booklet are important documents and
should be kept with the vehicle.
Service and warranty information
The Service and Warranty Information
Booklet contains detailed information
about the warranties covering your
Mercedes-Benz, including:
New Car Limited Warranty,
Emission System Warranty,
Emission Performance Warranty,
California, Maine, Massachusetts, and
Vermont Emission Control System
Warranty
(California, Maine, Massachusetts, and
Vermont only),
State Warranty Enforcement Laws
(Lemon Laws).
15 Introduction
Symbols
Symbols
The following symbols are found in this
Operator’s Manual:
* Optional equipment is identified
with an asterisk. Since standard
equipment varies between models,
the descriptions and illustrations in
this manual may differ slightly from
the actual equipment of your
vehicle.
This symbol points to instructions for
you to follow.
A number of these symbols appearing
in succession indicates a multiple-step
procedure.
Page This symbol tells you where to
look for further information on a
topic.
This continuation symbol marks
an interrupted procedure which
will be continued on the next
page.
-> In the glossary of technical
terms, this symbol is used to
indicate cross-references to
term definitions.
Display
Words appearing in the multi-
function display are printed in
the type shown here.
Warning!
G
Warning notices draw your attention to haz-
ards that may endanger your health or life,
or the health or life of others.!Highlights hazards that may result in
damage to your vehicle.iHelpful hints or further information you
may find useful.
28 At a glanceCenter consoleLower part
Item
Page
1
Ashtray
Cigarette lighter
273
274
2
KEYLESS-GO* start/stop
button
35
3
Storage compartment
270
4
Soft top switch
247
5
Program mode selector
switch for automatic trans-
mission
Automatic shift
program
Manual shift program
(CLK 55 AMG)
169
174
6
Gear selector lever for
automatic transmission
163
29 At a glance
Overhead control panel
Overhead control panel
Item
Page
1
Tele Aid (emergency call
system) button
277
2
Hands-free microphone for
Tele Aid (emergency call
system) and telephone*
276
3
Temperature sensor for au-
tomatic climate control
4
Right reading lamp on/off
129
5
Interior lighting control
128
6
Interior rear view mirror
41,
176
7
Garage door opener
284
8
Left reading lamp on/off
129
32 Getting startedThe “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 provide you with further
information. The corresponding page
references are located at the end of each
segment.Unlocking
Unlocking with the SmartKeySmartKey with remote control 1‹Lock button
2ŠOpening button for trunk lid
3ŒUnlock button
4ÂPanic button (
page 83)
Press unlock button Œ on the
SmartKey.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is
disarmed.
Enter the vehicle and insert the
SmartKey in the starter switch.For more information, see “SmartKey”
(
page 94).Warning!
G
When leaving the vehicle, always remove the
SmartKey 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.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.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.
33 Getting started
Unlocking
Unlocking with KEYLESS-GO*
If your vehicle is equipped with the
KEYLESS-GO function, your vehicle checks
whether the SmartKey with KEYLESS-GO is
valid when you pull the door handle. If your
SmartKey with KEYLESS-GO is valid, the
doors will unlock, and you can open them.
The function of the SmartKey overrules the
KEYLESS-GO function.
Pull the door handle.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is
disarmed.I f t he S m a r t K e y w i t h K E Y L E S S - GO i s i n s i d e
the vehicle, pressing the KEYLESS-GO
start/stop button on the gear selector le-
ver corresponds to turning the SmartKey
to the various starter switch positions.
For more information, see “SmartKey with
KEYLESS-GO*” (
page 98).
iTo unlock the vehicle, the SmartKey
with KEYLESS-GO must be outside the
vehicle, no further than approx. 3 feet
(1 meter) away from the door.
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 take the
SmartKey with KEYLESS-GO with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.