Mercedes CLK 320 COUPE, CLK 320 owners Manual
CLK Coupé
Operator’s Manual
CLK 320
Our company and staff congratulate you on the purchase of your new Mercedes-Benz.
Your selection of o ur product is a de monstration o f your tru st in our company name. Further, it exemplifies your desire
to own an automobile that will be as easy as possible to operate and provide years of service.
Your Mercedes-Benz represents the efforts of many skilled engineers and craftsmen. To ensure your pleasure of
ownership, and for your safety and that of your passengers, we ask you to make a small investment of your time:
• Please read this manual carefully before putting it aside. Then return it to your vehicle where it will be handy for
your reference.
• Please abide by the recommendations contained in this manual. They are designed to acquaint you with the
operation of your Mercedes-Benz.
• Please abide by the warnings and cautions contained in this manual. They are designed to help improve the safety
of the vehicle operator and occupants.
We extend our best wishes for many miles of safe, pleasurable driving.
DaimlerChrysler AG
Introduction
Product information ..........................7
Operator’s manual ............................. 8
Where to find it ................................ 13
Reporting Safety Defects ................ 15
Instruments and controls
Instruments and controls ............... 18
Center console ..............................20
Overhead control panel ...............21
Operation
Vehicle keys ......................................24
Start lock-out ....................................27
General notes on the
central locking system ...............27
Central locking system ...................28
Radio frequency and
infrared remote control ...............28
Opening and closing windows
and sliding/pop-up roof
from outside ..................................32
Panic button ................................. 33
Mechanical keys .......................... 33
Doors ................................................. 34
Central locking switch .................... 36
Automatic central locking .......... 37
Emergency unlocking in
case of accident .......................... 37
Trunk ................................................. 38
Trunk lid release switch ................ 40
Trunk lid emergency release .........41
Antitheft alarm system ................... 42
Tow-away alarm ............................... 44
Power seats, front ............................ 45
Front head restraints ...................51
Head restraints, rear ................... 52
Backrest ............................................ 53
Multicontour seat ............................ 54
Heated seats ..................................... 55
Seat belts and integrated
restraint system .......................... 57
Seat belts .......................................... 57
Seat belt nonusage
warning system ............................ 58
TM
BabySmart
airbag
deactivation system ....................64
TM
Self-test BabySmart
without special child
seat installed .................................64
Supplemental restraint
system (SRS) ................................65
Emergency tensioning
retractor (ETR) .............................65
Airbags ..............................................66
Safety guidelines for the seat belt,
emergency tensioning retractor
and airbag .....................................72
Infant and child
restraint systems ..........................74
Adjusting telescoping
steering column ..........................77
Inside rear view mirror ..................78
Exterior rear view mirrors .............79
Instrument cluster ...........................82
Indicator lamps in the
instrument cluster ...................... 84
Multifunction steering wheel,
multifunction display .................88
1Contents
2Contents
Trip and main odometer, vehicle
speed, FSS and engine oil level
indicator .......................................92
Audio systems ..................................93
Radio ..............................................93
CD player .......................................94
Cassette player .............................95
Telephone ..........................................96
Telephone book ............................96
Redialing .......................................98
Incoming call ..............................100
Navigation system .......................... 101
Trip computer ................................. 102
Malfunction message
memory ...................................... 104
Individual settings .........................106
Setting the audio volume ..............108
Flexible service system
(FSS) ............................................ 109
Engine oil level indicator .............. 112
Engine oil consumption .................113
Exterior lamp switch ......................114
Night security illumination .......... 115
Headlamp cleaning system ........... 116
Combination switch .......................117
Hazard warning flasher
switch ..........................................119
Automatic climate control ............ 120
Display and controls ................. 122
Basic setting ............................... 122
Economy ...................................... 123
Special settings .......................... 123
Rear window defroster .............. 124
Air recirculation ........................ 125
Residual engine
heat utilization ........................... 125
Dust filter .................................... 126
Audio and telephone,
operation .................................... 127
Power windows .............................. 146
Sliding/pop-up roof ....................... 148
Interior lighting ..............................150
Rear window sunshade ................. 151
Sun visors ....................................... 151
Illuminated vanity mirrors ........... 152
Interior ............................................152
Storage compartments,
armrest and cup holder ........... 152
Glove box .....................................153
Storage compartments
in center console ........................153
Ashtrays ..........................................156
Lighter .............................................158
Enlarged cargo area –
split folding rear
seat backrest ..............................159
Loading instructions .....................160
Cargo tie down rings ..................... 162
Parcel net in front
passenger footwell .................... 162
Telephone, general ........................163
Cellular telephone .........................163
Garage door opener .......................164
Ski sack ...........................................168
Driving
Control and operation of
radio transmitters ..................... 174
The first 1 000 miles
(1 500 km) .................................175
Maintenance ...................................175
Catalytic converter ........................ 176
Emission control ............................ 177
Tele Aid ...........................................178
Steering lock ...................................188
Starting and turning off
the engine ..................................190
Automatic transmission ............... 191
Parking brake .................................200
Driving instructions ......................201
Drive sensibly – save fuel .........201
Drinking and driving .................201
Pedals ...........................................201
Power assistance ........................202
Brakes ..........................................202
Driving off ...................................203
Parking ........................................203
Tires ............................................. 204
Snow chains ............................... 206
Winter driving instructions .....207
Winter driving ............................ 208
Deep water ..................................208
Passenger compartment ...........209
Traveling abroad ........................ 209
Cruise control .................................210
Brake assist system
(BAS) ...........................................213
Antilock brake system
(ABS) ...........................................215
Electronic stability program
(ESP) ............................................217
What you should know
at the gas station ...................... 221
Check regularly and
before a long trip ......................223
Instrument cluster display
Malfunction and
indicator lamps in the
instrument cluster ....................226
On-board diagnostic system
Check engine malfunction
indicator lamp .............................226
Brake warning lamp ..................227
Supplemental restraint system
(SRS) indicator lamp ..................228
Fuel reserve and fuel cap
placement warning ....................228
Electronic stability program
(ESP) — warning lamp ...............229
BAS/ESP malfunction
indicator lamp .............................229
ABS malfunction
indicator lamp .............................229
Telescoping steering column –
indicator lamp .............................230
Seat belt warning lamp .............230
3Contents
4Contents
Malfunction and indicator lamps in
the center console .....................230
AIRBAG OFF
indicator lamp .............................230
Malfunction and warning
messages in the
multifunction display ...............231
DISPLAY DEFECTIVE
(engine control unit) ..................232
DISPLAY DEFECTIVE
(several systems) ........................232
BATTERY/ALTERNATOR ...........233
ABS-SYSTEM ...............................234
BRAKE ASSIST ...........................234
BRAKE LINING WEAR ..............235
BRAKE FLUID .............................235
PARKING BRAKE .......................236
ENGINE FAN ...............................236
COOLANT
(coolant level) ............................. 237
COOLANT TEMP.
(coolant temperature) ...............238
LIGHTING SYSTEM ...................239
LIGHT SENSOR ..........................240
STEER. WHEEL ADJUST. .......... 240
ENGINE OIL LEVEL ................... 241
ELEC. STABIL. PROG.
(Electronic stability
program) .....................................242
REMOVE KEY .............................242
WASHER FLUID .........................243
TELE AID .....................................244
Practical hints
First aid kit .....................................246
Shelf below rear window ..............246
Stowing things in the vehicle ......246
Fuses ................................................247
Hood .................................................249
Checking engine
oil level .......................................251
Automatic transmission
fluid level ...................................252
Coolant level ...................................252
Adding coolant ...........................253
Windshield washer/headlamp
cleaning system ........................254
Windshield and
headlamp washer
fluid mixing ratio .......................254
Spare wheel, vehicle tools,
storage compartment ................255
Vehicle jack .....................................256
Wheels .............................................257
Tire replacement ........................257
Rotating wheels ..........................258
Spare wheel ....................................259
Changing wheels ...........................260
Tire inflation pressure ..................265
Battery .............................................266
Jump starting ..................................268
Towing the vehicle .........................270
Transmission selector lever,
manually unlocking ...................272
Exterior lamps ................................273
Headlamp assembly ...................274
Taillamp assemblies ..................276
Changing batteries in the
electronic main key .................. 281
Synchronizing
remote control ............................ 283
Emergency operation of
sliding/pop-up roof ..................284
Manual release for
fuel filler flap ............................ 285
Replacing wiper
blade insert ............................... 285
Trunk lamp .....................................287
Roof rack ......................................... 287
Vehicle care
Cleaning and care
of the vehicle ............................. 290
Power washer ............................. 291
Paintwork, painted body
components ................................ 291
Tar stains .....................................291
Engine cleaning ..........................292
Vehicle washing .........................292
Ornamental moldings ................292
Headlamps, taillamps,
turn signal lenses ......................292
Window cleaning .......................293
Wiper blade .................................293
Light alloy wheels ......................293
Instrument cluster .....................293
Steering wheel and
gear selector lever ......................293
Cup holder ...................................294
Seat belts .....................................294
Hard plastic trim items .............294
Headliner and shelf
below rear window .....................294
Upholstery ...................................294
Plastic and rubber parts ............294
5Contents
6Contents
Technical data
Spare parts service ........................296
Warranty coverage .........................296
Identification labels .......................297
Layout of poly-V-belt drive ............298
Technical data ................................299
Fuels, coolants, lubricants etc. –
capacities ...................................302
Engine oil additives ...................... 303
Engine oils ...................................... 303
Air conditioner refrigerant ..........303
Brake fluid ......................................303
Premium unleaded gasoline ........304
Fuel requirements ........................304
Gasoline additives .........................305
Coolants .......................................... 305
Consumer information .................307
Index
Index ................................................309
Product information
Kindly observe the following in your own best interest:
We recommend using Mercedes-Benz original parts as well as conversion parts and accessories
explicitly approved by us for your vehicle model.
We have tested these parts to determine their reliability, safety and their special
suitability for Mercedes-Benz vehicles.
We are unable to make an assessment for other products and therefore cannot be held responsible
for them, even if in individual cases an official approval or authorization by governmental or other
agencies should exist. Use of such parts and accessories could adversely affect the safety, performance
or reliability of your vehicle. Please do not use them.
Mercedes-Benz original parts as well as conversion parts and accessories approved by us are available
at your authorized Mercedes-Benz Center where you will receive comprehensive information, also on
permissible technical modifications, and where proper installation will be performed.
7Introduction
8Introduction
Operator’s manual
This 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 instructions and warnings
contained in this manual. Ignoring them could result in damage to the vehicle or personal injury to you or others.
Vehicle damage caused by failure 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 procedures.
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, Massachusetts, and Vermont Emission Control System Warranty
(California, Massachusetts, and Vermont only),
• State Warranty Enforcement Laws (Lemon Laws).
Important notice for California retail buyers of Mercedes-Benz automobiles
Under California law you may be entitled to a replacement of your vehicle or a refund of the purchase price, if
Mercedes-Benz USA, LLC or its authorized Mercedes-Benz Center fails to conform the vehicle to its express warranties
after a reasonable number of repair attempts during the period of one year or 12 000 miles from original delivery of
the vehicle. A reasonable number of repair attempts is presumed for a retail buyer (1) if the vehicle is out of service by
reason of repair of substantial nonconformities for a cumulative total of more than 30 calendar days or (2) the same
substantial non-conformity has been subject to repair four or more times and you have at least once directly
notified us in w ri ting of the need to repair the non-conformity and have given us an opportunity to perform the
repair ourselves. Notifications should be sent to the nearest Mercedes-Benz Regional Office listed in the
Service and Warranty Information Booklet.
Maintenance
The Service Booklet describes all the necessary maintenance work which should be performed at regular intervals.
Always have the Service Booklet with you when you take the vehicle to your authorized Mercedes-Benz Center for
service. The service advisor will record each service in the booklet for you.
9Introduction
10Introduction
Roadside assistance
The Mercedes-Benz Roadside Assistance Program provides factory trained technical help in the event of a breakdown.
Calls to the toll-free Roadside Assistance number:
1-800-FOR-MERCedes (in the USA)
1-800-387-0100 (in Canada)
will be answered by Mercedes-Benz Client Assistance Representatives 24 hours a day, 365 days a year.
For additional information refer to the Mercedes-Benz Roadside Assistance Program brochure in your glove box.
Change of address or ownership
If you change your address, be sure to send in the “Change of Address Notice” found in the Service and Warranty
Information Booklet, or simply call the Mercedes-Benz Client Assistance Center (in the USA) at 1-800-FOR MERCedes,
or Customer Service (in Canada) at 1-800-387-0100. It is in your own interest that we can contact you should the need
arise.
If you sell your Mercedes, please leave all literature with the vehicle to make it available to the next operator.
If you bought this vehicle used, be sure to send in the “Notice of Purchase of Used Car” found in the Service and
Warranty Information Booklet, or call the Mercedes-Benz Client Assistance Center (in the USA) at
1-800--FOR-MERCedes, or Customer Service (in Canada) at 1-800-387-0100.
Operating your vehicle outside the USA or Canada
If you plan to operate your vehicle in foreign countries, please be aware that:
• Service facilities or replacement parts may not be readily available,
• unleaded gasoline for vehicles with catalytic converters may not be available; the use of leaded fuels will damage
the catalysts,
• gasoline may have a considerably lower octane rating, and improper fuel can cause engine damage.
Certain Mercedes-Benz models are available for delivery in Europe under our European Delivery Program. For details,
consult your authorized Mercedes-Benz Center or write to:
In the USA: In Canada:
Mercedes-Benz USA, LLC
European Delivery Department
One Mercedes Drive
Montvale, NJ 07645-0350
Mercedes-Benz Canada, Inc.
European Delivery Department
849 Eglinton Avenue East
Toronto, Ontario M4G 2L5
11Introduction
12Introduction
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, information, illustrations and descriptions in this Operator’s Manual
might differ from your vehicle.
Optional equipment is also described in this manual, including operating instructions wherever necessary. Since th ey
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 Center will be glad to inform you of correct care and operating procedures.
The Operator’s Manual and Service Booklet are important documents and should be kept with the vehicle.
Where to find it
The Operator’s Manual is divided into eight sections:
• Instruments and controls: An overview of all the controls that can be operated from the driver’s seat.
•Operation: Information on the vehicle’s equipment and its operation.
•Driving: Important information on driving.
• Instrument cluster display: Displays and indicator lamps on the instrument cluster with brief instructions.
• Practical hints: Assistance and instructions in the event of an emergency.
• Car care: Instructions on caring for your vehicle.
• Technical data: All the important technical data for your vehicle as well as consumer information such as fuels,
coolants, lubricants etc. is contained here.
•Index: Key terms to help you find a topic quickly.
Other documents may also be supplied, depending on your vehicle’s equipment.
Explanation of color used:
Warning notices for the protection of yourself and
others appear on red background.
13Introduction
14Introduction
Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect
its safe operation, we urge you to immediately contact your authorized Mercedes-Benz Center to
have the problem diagnosed and corrected if required. If the matter is not handled to your
satisfaction, please discuss the problem with the Mercedes-Benz Center management, or if
necessary contact us at the following addresses:
In the USA: Client Assistance Center
Mercedes-Benz USA, LLC
One Mercedes Drive
Montvale, NJ 07645-0350
In Canada: Customer Relations Department
Mercedes-Benz Canada, Inc.
849 Eglinton Avenue East
Toronto, Ontario, M4G 2L5
For the USA only:
The following text is published as required of manufacturers under Title 49, Code of U.S. Federal Regulations,
Part 575 pursuant to the “National Traffic and Motor Vehicle Safety Act of 1966”.
Reporting Safety Defects
If you believe that your vehicle has a defect which could cause a crash or could cause injury or
death, you should immediately inform the National Highway Traffic Safety Administration
(NHTSA) in addition to notifying Mercedes-Benz USA, LLC.
If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety
defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA
cannot become involved in individual problems between you, your retailer, or Mercedes-Benz USA,
LLC.
To contact NHTSA, you may either call the Auto Safety Hotline toll-free at 1-800-424-9393
(or 366-0123 in Washington, D.C. area) or write to: NHTSA, U.S. Department of Transportation,
Washington, D.C. 20590. You can also obtain other information about motor vehicle safety from
the Hotline.
15Introduction
Instruments and controls
Instruments and controls ............... 18
Center console ..............................20
Overhead control panel ...............21
Instruments
and controls
Operation Driving
Instrument
cluster display
17Contents – Instruments and controls
Practical hints Car care Index
Technical
data
Instruments and controls
Operation Driving
Instruments and controls
Instrument
cluster display
Practical hints Car care Index
18Instruments and controls
Technical
data
For more detailed descriptions see Index on page 309.
For adjustment of air outlets, refer to automatic climate
control, see page 120.
1 Side air outlet, adjustable
2 Air volume control for side air outlet
3 Exterior lamp switch, see page 114
4 Parking brake release, see page 200
5 Parking brake pedal, see page 200
6 Hood lock release, see page 249
7 Combination switch, see page 117
8 Cruise control switch, see page 210
9 Multifunction steering wheel, see page 88
Horn (with electronic key in steering lock
position 1 or 2)
10 Instrument cluster, see page 82
11 Voice recognition system switch, see separate
operating instructions
12 Steering lock with ignition/starter switch,
see page 188
13 Center air outlets, adjustable
14 Air volume control for center air outlets
15 Left front seat heater switch, see page 55
16 Headlamp washer switch, see page 116
17 Switch for rear seat head restraints, see page 52
18 Hazard warning flasher switch, see page 119
19 Central locking switch, see page 36
20 Switch for tow-away alarm, see page 44
Indicator lamp for antitheft alarm system,
see page 42
21 Right front seat heater switch, see page 55
22 Automatic climate control, see page 120
Rear window defroster switch, see page 124
23 Glove box (illuminated with electronic key in
steering lock position 1 or 2), see page 153
24 Audio system, see page 127
25 Storage compartment
26 Ashtray with lighter, see page 156
Instruments
and controls
Operation Driving
Instrument
cluster display
19Instruments and controls
Practical hints Car care Index
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
20Instruments and controls
Center console 1 ESP control switch, see page 219
2 Program mode selector switch, see page 198
3 Switch for rear window sunshade, see page 151
4 Airbag Off indicator lamp, see page 230
1
3
5 Left power window switch, see page 146
6 Trunk lid release switch, see page 40
2
7 Mirror adjustment switch, see page 79
8 Right power window switch, see page 146
4
Technical
data
6
5
7
8
P68.10-2192-27
Overhead control panel 1 Interior lighting, see page 150
2 Sliding/pop-up roof, see page 148
3 Tele Aid (emergency call system), see page 178
4 Hands-free microphone for Tele Aid, telephone and
1
voice recognition system.
5 Rear view mirror, see page 78
6 Garage door opener, see page 164
2
Instruments
and controls
3
6
4
1
5
Operation Driving
P82.00-2049-27
Instrument
cluster display
21Instruments and controls
Practical hints Car care Index
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
Technical
data
22Contents – Operation
Operation
Vehicle keys ......................................24
Start lock-out ....................................27
General notes on the
central locking system ...............27
Central locking system ...................28
Radio frequency and
infrared remote control ...............28
Opening and closing windows
and sliding/pop-up roof
from outside ..................................32
Panic button ..................................33
Mechanical keys ...........................33
Doors ..................................................34
Central locking switch ....................36
Automatic central locking ..........37
Emergency unlocking in
case of accident ...........................37
Trunk .................................................38
Trunk lid release switch .................40
Trunk lid emergency release ......... 41
Antitheft alarm system ...................42
Tow-away alarm ............................... 44
Power seats, front ............................ 45
Front head restraints ...................51
Head restraints, rear ................... 52
Backrest ............................................ 53
Multicontour seat ............................ 54
Heated seats ..................................... 55
Seat belts and integrated
restraint system .......................... 57
Seat belts .......................................... 57
Seat belt nonusage
warning system ............................ 58
TM
BabySmart
airbag
deactivation system ................... 64
TM
Self-test BabySmart
without special child
seat installed ................................ 64
Supplemental restraint
system (SRS) ............................... 65
Emergency tensioning
retractor (ETR) ............................ 65
Airbags ..............................................66
Safety guidelines for the seat belt,
emergency tensioning retractor
and airbag .....................................72
Infant and child
restraint systems ..........................74
Adjusting telescoping
steering column ..........................77
Inside rear view mirror ..................78
Exterior rear view mirrors .............79
Instrument cluster ...........................82
Indicator lamps in the
instrument cluster ...................... 84
Multifunction steering wheel,
multifunction display .................88
Trip and main odometer, vehicle
speed, FSS and engine oil level
indicator .......................................92
Audio systems ..................................93
Radio ..............................................93
CD player .......................................94
Cassette player .............................95
Telephone ..........................................96
Telephone book ............................96
Redialing .......................................98
Incoming call ..............................100
Navigation system .......................... 101
Trip computer ................................. 102
Malfunction message
memory ...................................... 104
Individual settings .........................106
Setting the audio volume ..............108
Flexible service system
(FSS) ............................................ 109
Engine oil level indicator .............. 112
Engine oil consumption .................113
Exterior lamp switch ......................114
Night security illumination ..........115
Headlamp cleaning system ...........116
Combination switch .......................117
Hazard warning flasher
switch ...........................................119
Automatic climate control ............ 120
Display and controls ................. 122
Basic setting ............................... 122
Economy ...................................... 123
Special settings .......................... 123
Rear window defroster .............. 124
Air recirculation ........................ 125
Residual engine
heat utilization ........................... 125
Dust filter .................................... 126
Audio and telephone,
operation .................................... 127
Power windows .............................. 146
Sliding/pop-up roof ....................... 148
Interior lighting ..............................150
Rear window sunshade .................151
Sun visors ........................................151
Illuminated vanity mirrors ...........152
Interior .............................................152
Storage compartments,
armrest and cup holder ........... 152
Glove box .....................................153
Storage compartments
in center console ........................153
Ashtrays ..........................................156
Lighter .............................................158
Enlarged cargo area –
split folding rear
seat backrest ..............................159
Loading instructions .....................160
Cargo tie down rings ..................... 162
Parcel net in front
passenger footwell .................... 162
Telephone, general ........................163
Cellular telephone .........................163
Garage door opener .......................164
Ski sack ...........................................168
Instruments
and controls
Operation Driving
Instrument
cluster display
23Contents – Operation
Practical hints Car care Index
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
Technical
data
24Central locking system
Vehi cl e key s
Included with your vehicle are:
• 2 electronic main keys with integrated radio
frequency and infrared remote controls plus
removable mechanical key.
The locking tabs for the mechanical key portion of
the two electronic main keys are a different color to
help distinguish it.
• 1 electronic reserve key without remote control
functions, plus removable mechanical key.
Warn ing !
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.
Electronic main key
1
3
2
4
P80.35-2031-26
The electronic main key has an integrated radio
frequency and infrared remote control, plus removable
mechanical key.
The remote control (1) operates all locks on the vehicle.
The mechanical key (2) works only in the driver’s door,
trunk, and storage compartment locks.
When using the mechanical key (2) for lock operations,
it can be removed by sliding it out of the remote control.
To do so, move locking tab (3) to the right and slide the
mechanical key (2) in direction of arrow (4).
The remote control transmitter is located in the
electronic main key.
The infrared receivers are located in the door handles.
Notes:
Remove the mechanical key from the electronic main
key when u sing vale t parking service. To prevent access
to trunk or storage compartments lock them separately
and retain the mechanical key.
See page 38 for separate locking of trunk and page 153
for locking of glove box.
Instruments
and controls
Operation Driving
Instrument
cluster display
25Central locking system
Practical hints Car care Index
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
Technical
data
26Central locking system
Electronic reserve key
1
P80.35-2036-26
The electronic reserve key is without remote control
functions, but with removable mechanical key.
The electronic reserve key (1) works only in the steering
lock. There are no batteries inside the electronic reserve
key.
The mechanical key (2) works only in the driver’s door,
trunk, and storage compartment locks.
To use the mechanical key (2), remove it from its
electronic reserve key (1).
Note:
We recommend that you carry the electronic reserve
key plus mechanical key with you and keep it in a safe
place (e.g. your wallet) so that it is always handy. Never
leave the electronic reserve key in the vehicle.
Obtaining replacement keys
Your vehicle is equipped with a theft deterrent locking
system requiring a special key manufacturing process.
For security reasons, replacement keys can only be
obtained from your authorized Mercedes-Benz Center.
Start lock-out
Important!
Removing the electronic key from the steering lock
activates the start lock-out. The engine cannot be
started.
Inserting the electronic key in the steering lock
deactivates the start lock-out.
Note:
In case the engine cannot be started (vehicle’s battery is
in order), the system is not operational. Contact an
authorized Mercedes-Benz Center or call 1-800-FORMERCedes (in the USA) or 1-800-387-0100 (in Canada).
General notes on the central locking system
If the electronic key is inserted in the steering lock, the
vehicle cannot be locked or unlocked with the remote
control.
If the vehicle cannot be locked or unlocked:
• Aim transmitter eye at a receiver of either door
handle. Check the batteries of the electronic main
key, see page 281, or synchronize the remote
control, see page 283.
• Use the mechanical key to unlock the driver’s door.
To start the engine, insert the electronic main key in
the steering lock. There could be a slight delay until
the electronic main key can be turned in the
steering lock.
Important!
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 button Œ or ‹ on the
electronic main key.
Instruments
and controls
Operation Driving
Instrument
cluster display
27Central locking system
Practical hints Car care Index
Technical
data
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