Mercedes-Benz Clk-Class 2001 Owner's Manual
CLK Coupé
Operator’s Manual
CLK 430
CLK 55 AMG
Our company and staff congratulate you on the purchase of your new Mercedes-Benz.
Your selection of our product is a demonstration of your trust in our company name. Further, it exemplif ies 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
Rear head restraints .................... 52
Backrest ............................................ 54
Multicontour seat ............................ 55
Heated seats ..................................... 56
Seat belts and integrated
restraint system .......................... 58
Seat belts .......................................... 58
Seat belt nonusage
warning system ............................ 59
TM
BabySmart
airbag
deactivation system ....................65
TM
Self-test BabySmart
without
special child seat installed .........65
Supplemental restraint
system (SRS) ................................66
Emergency tensioning
retractor (ETR) .............................66
Airbags ..............................................67
Safety guidelines for the
seat belt, emergency
tensioning retractor
and airbag .....................................73
Infant and child
restraint systems ..........................75
Adjusting telescoping
steering column ..........................78
Inside rear view mirror ..................79
Exterior rear view mirrors .............80
Instrument cluster ...........................84
Indicator lamps in the
instrument cluster ......................86
Multifunction steering wheel,
multifunction display .................90
1Contents
2Contents
Trip and main odometer,
vehicle speed, FSS and
engine oil level indicator ...........94
Audio systems ..................................95
Radio ..............................................95
CD player .......................................96
Cassette player .............................97
Telephone ..........................................98
Telephone book ............................98
Redialing .....................................100
Incoming call ..............................102
Navigation system .......................... 103
Trip computer ................................. 104
Malfunction message
memory ......................................106
Individual settings .........................108
Setting the audio volume ...............110
Flexible service system
(FSS) .............................................111
Engine oil level indicator ...............114
Engine oil consumption .................115
Exterior lamp switch ......................116
Night security illumination .......... 117
Headlamp cleaning system ........... 118
Combination switch ....................... 119
Hazard warning flasher
switch ..........................................121
Automatic climate control ............ 122
Display and controls ................. 124
Basic setting -
automatic mode ......................... 124
Economy ...................................... 125
Special settings .......................... 125
Rear window defroster .............. 126
Air recirculation ........................ 127
Residual engine heat
utilization .................................... 127
Dust filter .................................... 128
Audio and telephone,
operation .................................... 129
Power windows .............................. 147
Sliding/pop-up roof ....................... 149
Interior lighting ............................. 151
Rear window sunshade .................152
Sun visors .......................................152
Illuminated vanity mirrors ........... 153
Interior ............................................153
Storage compartments,
armrest and cup holder ........... 153
Glove box .....................................154
Ashtrays ..........................................157
Lighter ............................................. 159
Enlarged cargo area –
split folding rear
seat backrest ..............................160
Loading instructions .....................162
Cargo tie down rings .....................163
Parcel net in front
passenger footwell ....................164
Telephone, general ........................164
Cellular telephone .........................165
Garage door opener .......................166
Ski sack ...........................................170
Driving
Control and operation of
radio transmitters ..................... 176
The first 1 000 miles
(1 500 km) .................................177
Maintenance ...................................177
Catalytic converter ........................178
Emission control ............................179
Tele Aid ...........................................180
Steering lock ................................... 190
Starting and turning off
the engine ..................................192
Automatic transmission ...............193
Parking brake .................................202
Driving instructions ......................203
Drive sensibly – save fuel .........203
Drinking and driving .................203
Pedals ...........................................203
Power assistance ........................204
Brakes ..........................................204
Driving off ...................................205
Parking ........................................205
Tires ............................................. 206
Snow chains ............................... 209
Winter driving
instructions ................................209
Deep water ...................................210
Passenger compartment ............211
Traveling abroad .........................211
Cruise control .................................212
Brake assist system
(BAS) ...........................................215
Antilock brake system
(ABS) ...........................................217
Electronic stability program
(ESP) ............................................219
What you should know
at the gas station ...................... 223
Check regularly and
before a long trip ...................... 225
Instrument cluster display
Malfunction and indicator
lamps in the
instrument cluster ....................228
On-board diagnostic system
Check engine malfunction
indicator lamp .............................228
Brake warning lamp ..................229
Supplemental restraint
system (SRS)
indicator lamp .............................230
Fuel reserve and fuel cap
placement warning ....................230
Electronic stability program
(ESP) — warning lamp ...............231
BAS/ESP malfunction
indicator lamp .............................231
ABS malfunction
indicator lamp .............................231
Telescoping steering column –
indicator lamp .............................232
Seat belt warning lamp .............232
3Contents
4Contents
Malfunction and indicator lamps
in the center console ................232
AIRBAG OFF
indicator lamp .............................232
Malfunction and warning
messages in the
multifunction display ...............233
DISPLAY DEFECTIVE
(engine control unit) ..................234
DISPLAY DEFECTIVE
(several systems) ........................234
BATTERY/ALTERNATOR ...........235
ABS-SYSTEM ...............................236
BRAKE ASSIST ...........................236
BRAKE LINING WEAR ..............237
BRAKE FLUID .............................237
PARKING BRAKE .......................238
ENGINE FAN ...............................238
COOLANT
(coolant level) .............................239
COOLANT TEMP.
(coolant temperature) ................240
LIGHTING SYSTEM ....................241
LIGHT SENSOR ..........................242
STEER. WHEEL ADJUST. .......... 242
ENGINE OIL LEVEL ................... 243
ELEC. STABIL. PROGRAM.
(Electronic stability
program) ..................................... 244
REMOVE KEY .............................244
WASHER FLUID .........................245
TELE AID .....................................246
Practical hints
First aid kit .....................................248
Shelf below rear window ..............248
Stowing things in
the vehicle ................................. 248
Fuses ...............................................249
Hood ................................................ 251
Checking engine oil level ............. 253
Automatic transmission
fluid level ................................... 254
Coolant level ...................................254
Adding coolant ...........................255
Windshield washer / headlamp
cleaning system ........................256
Windshield and
headlamp washer
fluid mixing ratio .......................256
Spare wheel, vehicle tools,
storage compartment ................257
Vehicle jack .....................................258
Wheels .............................................259
Tire replacement ........................259
Rotating wheels ..........................260
Spare wheel ....................................261
Changing wheels ...........................262
Tire inflation pressure ..................267
Battery .............................................268
Jump starting ..................................270
Towing the vehicle .........................272
Transmission selector lever,
manually unlocking ...................274
Exterior lamps ................................275
Headlamp assembly ................... 276
Taillamp assemblies ..................278
Adjusting headlamp aim ...............280
Changing batteries in the
electronic main key ..................283
Synchronizing
remote control ............................285
Emergency operation of
sliding/pop-up roof ...................286
Manual release for
fuel filler flap .............................287
Replacing wiper blade
insert ...........................................287
Trunk lamp .....................................289
Roof rack .........................................289
Vehicle care
Cleaning and care
of the vehicle ............................. 292
Power washer .............................293
Tar stains ....................................293
Paintwork, painted body
components ................................293
Engine cleaning .........................294
Vehicle washing .........................294
Ornamental moldings ............... 294
Headlamps, taillamps,
turn signal lenses ...................... 294
Window cleaning .......................295
Wiper blade .................................295
Light alloy wheels ......................295
Instrument cluster .....................295
Steering wheel and
gear selector lever ......................295
Cup holder ...................................296
Seat belts .....................................296
Hard plastic trim items .............296
Headliner and shelf below
rear window ................................296
Upholstery ...................................296
Plastic and rubber parts ............296
5Contents
6Contents
Technical data
Spare parts service ........................298
Warranty coverage .........................298
Identification labels .......................299
Layout of poly-V-belt drive ............300
Technical data ................................301
Fuels, coolants, lubricants etc. –
capacities ...................................305
Engine oils ......................................307
Engine oil additives ...................... 307
Air conditioner
refrigerant .................................307
Brake fluid ......................................307
Premium unleaded
gasoline ...................................... 308
Fuel requirements ........................308
Gasoline additives .........................309
Coolants .......................................... 309
Consumer information ..................311
Index
Index ................................................ 313
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 writing of the need to repair the non-conformity and have given us an opportunity to perform t he
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 instru ctions 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 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 313.
For adjustment of air outlets, refer to automatic climate
control, see page 122.
1 Side air outlet, adjustable
2 Air volume control for side air outlet
3 Exterior lamp switch, see page 116
4 Parking brake release, see page 202
5 Parking brake pedal, see page 202
6 Hood lock release, see page 251
7 Combination switch, see page 119
8 Cruise control switch, see page 212
9 Multifunction steering wheel, see page 90
Horn (with electronic key in steering lock
position 1 or 2)
10 Instrument cluster, see page 84
11 Voice recognition system switch, see separate
operating instructions
12 Steering lock with ignition/starter
switch, see page 190
13 Center air outlets, adjustable
14 Air volume control for center air outlets
15 Left front seat heater switch, see page 56
16 Headlamp washer switch, see page 118
17 Switch for rear seat head restraints, see page 52
18 Hazard warning flasher switch, see page 121
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 56
22 Automatic climate control, see page 122
Rear window defroster switch, see page 126
23 Glove box (illuminated with electronic key in
steering lock position 1 or 2), see page 154
24 Audio system, see page 129
25 Storage compartment
26 Ashtray with lighter, see page 157
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 221
2 Program mode selector switch, see page 200
3 Switch for rear window sunshade, see page 152
4 Airbag Off indicator lamp, see page 232
1
3
5 Left power window switch, see page 147
6 Trunk lid release switch, see page 40
2
7 Mirror adjustment switch, see page 80
8 Right power window switch, see page 147
4
Technical
data
6
5
7
8
P68.10-2192-27
Overhead control panel 1 Interior lighting, see page 151
2 Sliding/pop-up roof, see page 149
3 Tele Aid (emergency call system), see page 180
4 Hands-free microphone for Tele Aid, telephone and
1
voice recognition system.
5 Rear view mirror, see page 79
6 Garage door opener, see page 166
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
Rear head restraints .................... 52
Backrest ............................................ 54
Multicontour seat ............................ 55
Heated seats ..................................... 56
Seat belts and integrated
restraint system .......................... 58
Seat belts .......................................... 58
Seat belt nonusage
warning system ............................ 59
TM
BabySmart
airbag
deactivation system ................... 65
TM
Self-test BabySmart
without
special child seat installed ......... 65
Supplemental restraint
system (SRS) ............................... 66
Emergency tensioning
retractor (ETR) ............................ 66
Airbags .............................................. 67
Safety guidelines for the
seat belt, emergency
tensioning retractor
and airbag ..................................... 73
Infant and child
restraint systems ..........................75
Adjusting telescoping
steering column ..........................78
Inside rear view mirror ..................79
Exterior rear view mirrors .............80
Instrument cluster ...........................84
Indicator lamps in the
instrument cluster ......................86
Multifunction steering wheel,
multifunction display .................90
Trip and main odometer,
vehicle speed, FSS and
engine oil level indicator ...........94
Audio systems ..................................95
Radio ..............................................95
CD player .......................................96
Cassette player .............................97
Telephone ..........................................98
Telephone book ............................98
Redialing .....................................100
Incoming call ..............................102
Navigation system ..........................103
Trip computer .................................104
Malfunction message
memory ......................................106
Individual settings .........................108
Setting the audio volume ...............110
Flexible service system
(FSS) .............................................111
Engine oil level indicator ...............114
Engine oil consumption .................115
Exterior lamp switch ......................116
Night security illumination ..........117
Headlamp cleaning system ...........118
Combination switch .......................119
Hazard warning flasher
switch ..........................................121
Automatic climate control ............122
Display and controls ..................124
Basic setting -
automatic mode ..........................124
Economy ...................................... 125
Special settings .......................... 125
Rear window defroster .............. 126
Air recirculation ........................ 127
Residual engine heat
utilization .................................... 127
Dust filter .................................... 128
Audio and telephone,
operation .................................... 129
Power windows .............................. 147
Sliding/pop-up roof ....................... 149
Interior lighting ..............................151
Rear window sunshade .................152
Sun visors ........................................152
Illuminated vanity mirrors ...........153
Interior .............................................153
Storage compartments,
armrest and cup holder ........... 153
Glove box .....................................154
Ashtrays ..........................................157
Lighter ............................................. 159
Enlarged cargo area –
split folding rear
seat backrest ..............................160
Loading instructions .....................162
Cargo tie down rings .....................163
Parcel net in front
passenger footwell ....................164
Telephone, general ........................164
Cellular telephone .........................165
Garage door opener .......................166
Ski sack ...........................................170
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 using valet 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 154
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 283 or to synchronize the remote
control, see page 285.
• Use the mechanical key to unlock the driver’s door.
To start the engine, insert t he 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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