2005 MERCEDES-BENZ CLK500 CABRIOLET maintenance reset

Contents
Uniform Tire Quality Grading
Standards (U.S. vehicles) ............. 333
Tire ply material ........................... 335
Tire and loading terminology ........ 335
Rotating tires ............................... 339
Winter driving .................................... 340
Winter tires .................................. 340
Block heater* (Canada only) ........ 341
Snow chains................................. 341
Maintenance...................................... 342
Clearing the maintenance
service indicator........................... 343
Maintenance
service term exceeded ................. 343
Calling up the
maintenance service indicator ..... 343
Resetting the
maintenance service indicator ..... 344
Vehicle care ....................................... 345
Cleaning and care of vehicle ........ 345
Practical hints.................................. 353
What to do if …? ................................. 354
Lamps in instrument cluster ......... 354
Lamp in center console................. 361
Vehicle status messages
in the multifunction display........... 363
Where will I find...? ............................. 391
First aid kit.................................... 391
Vehicle tool kit .............................. 391
Minispare wheel............................ 394
Unlocking/locking in an emergency... 397
Unlocking the vehicle.................... 397
Locking the vehicle ....................... 398
Fuel filler flap ................................ 399
Manually unlocking
the gear selector lever .................. 400
Opening/closing in an emergency ..... 401
Operating roll bars manually ......... 401
Soft top emergency operation ...... 403
Replacing batteries in the SmartKey/
SmartKey with KEYLESS-GO* ............. 412
SmartKey ...................................... 412
SmartKey with KEYLESS-GO* ....... 413Replacing bulbs .................................. 414
Bulbs............................................. 414
Replacing bulbs for front lamps .... 416
Replacing bulbs for rear lamps ..... 420
Replacing wiper blades ...................... 421
Removing wiper blades ................. 421
Installing wiper blades .................. 421
Flat tire............................................... 422
Preparing the vehicle .................... 422
Mounting the Minispare wheel...... 423
Battery ............................................... 427
Disconnecting the battery ............ 428
Removing the battery ................... 428
Charging and reinstalling battery .. 428
Reconnecting the battery ............. 429
Jump starting...................................... 430
Towing the vehicle.............................. 432
Towing the vehicle ........................ 432
Installing towing eye bolt .............. 434
Fuses.................................................. 436
Aids for changing fuses ................ 436
Mainfuse box in passenger
compartment ................................ 437
Fuse box in engine compartment . 437
Fuse box in trunk .......................... 438

343 Operation
Maintenance
Clearing the maintenance service indicator
The maintenance service indicator is
automatically cleared

after 30 seconds when you switch on
the ignition or when reaching the main-
tenance service threshold while driving


after 30 seconds, once the suggested
maintenance service term has passed
You can also clear it yourself.
1Reset button

Press reset button 1 on the
instrument cluster.
Maintenance service term exceeded
If you have exceeded the suggested
maintenance service term, you will see the
following message in the multifunction
display:Service A exceeded by XXXXX miles
(km)
Service A exceeded by XXX days
Service A exceeded by X dayIn addition, a signal sounds when the
message appears.
Any authorized Mercedes-Benz Center will
reset the maintenance service indicator
following a completed maintenance
service.Calling up the maintenance service
indicator
Switch on the ignition (
page 36).
The standard display of the control sys-
tem appears (
page 133).

Press buttonkorjon the mul-
tifunction steering wheel until the
maintenance service indicator with the
service symbol9or´and the
service deadline appears in the
multifunction display.iIf the battery is disconnected, the days
of disconnection will not be included in
the count shown by the maintenance
service indicator. To arrive at the true
maintenance service deadline, you will
need to subtract these days from the
days shown in the maintenance service
indicator.
Do not confuse the maintenance
service indicator with the engine oil
level indicator :.

344 OperationMaintenanceResetting the maintenance service indicator
In the event that the maintenance service
on your vehicle is not carried out by an
authorized Mercedes-Benz Center, you can
have the maintenance service indicator
reset. The automotive maintenance facility
carrying out the maintenance service will
find the information for resetting the
maintenance service indicator in the
maintenance-relevant information for your
vehicle. Such information is available from
either your authorized Mercedes-Benz
Center or directly from Mercedes-Benz.
iIf the maintenance service indicator
was inadvertently reset, have an
authorized Mercedes-Benz Center
correct it.
Only reset if the proper maintenance
service has been performed. Resetting
the system without performing the
proper service as called for by the
maintenance service indicator will
result in engine damage and/or other
vehicle damage not covered by the
Mercedes-Benz Limited Warranty.

463 Technical terms
Head-thorax air bag
Installed in the driver and the front pas-
senger seat, these air bags protect oc-
cupants during side impact collisions
exceeding a preset threshold. Unlike
normal side impact air bags,
head-thorax air bags are also designed
to provide protection for the head area.
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
coolant temperature indicator and fuel
display.
KEYLESS-GO*
System for entering and operating the
vehicle without the use of a SmartKey.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the vehi-
cle and should not be used for normal
acceleration needs.Kilopascal (kPa)
(
page 336)
Lock button
Button on the door which indicates
whether the door is locked or un-
locked. Pushing the lock button down
on an individual door from inside will
lock that door.
Maintenance System (U.S. vehicles)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. The Maintenance
System in your vehicle tracks distance
driven and the time elapsed since your
last maintenance service, and calls for
the next maintenance service
accordingly.
Maximum load rating
(page 337)
Maximum loaded vehicle weight
(page 337)
Maximum tire inflation pressure
(page 337)Memory function*
Used to store three individual seat,
steering wheel and mirror positions for
each SmartKey or, if so equipped,
KEYLESS-GO* feature.
Menu
The control system displays are ar-
ranged in menus. Each menu contains
a number of commands for particular
systems.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized meth-
od. It is an indication of a gasoline's
ability to resist undesired detonation
(knocking). The average of both the
MON (Motor Octane Number) and
->RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Multifunction display
Display field in the speedometer used
to present information provided by the
control system.

476 IndexF
Fahrenheit
Setting temperature units 145
Fastening the seat belts 43
Fine adjustment
Cruise control 259
First aid kit 391
Flat tire 422
Lowering the vehicle 426
Minispare wheel 394
Mounting the Minispare wheel 423
Preparing the vehicle 422
Flexible Service System (Canada vehicles)
see Maintenance service system
Floormates*
Installing 275
Removing 275
Floormats* 275
Fog lamp, rear 125, 415
Fog lamps
Replacing bulbs 414
Fog lamps, front
Messages in display 383
Replacing bulbs 415
Switching on 125
Front air bags 65Front lamps
Messages in display 383–385
Replacing bulbs 414, 416
Switching on 122
Front passenger front
air bag off indicator lamp 79, 361
Front seat head restraints
Installing 114
Power seat 114
Removing 114
Front seats
Seat heating* 117
Ventilation* 118
FSS (Canada vehicles) see
Maintenance service system
Fuel 303
Additives 457
Fuel reserve warning lamp 359
Gasoline additives 457
Premium
unleaded gasoline 303, 454, 456
Requirements 457
Reserve warning 25
Technical data 453
Fuel additives 457Fuel cap
Message in display 356
Fuel consumption statistics
After start 158
Since last reset 159
Fuel filler flap 302
Locking 302
Opening 399
Unlocking 302
Fuel requirements 457
Fuel reserve tank
Message in display 382
Fuel tank
Capacity 454
Filler flap 302
Fuels, coolants, lubricants etc.
Capacities 453
Functions (control system) 134, 137
Resetting 143
Fuse box 437
Fuse chart 436
Fuse extractor 436

481 Index
Locator lighting 124
Setting 153
Lock buttons 463
Door handle (KEYLESS-GO*) 58
Locking 55, 94
Fuel filler flap 302
Global with KEYLESS-GO* 102
Global, SmartKey 96
Vehicle in an emergency 398
Loss of Service and
Warranty Information Booklet 441
Loss of SmartKey 98
Loss of SmartKey with
KEYLESS-GO* 105
Low beam headlamps
Messages in display 384
Replacing bulbs (Bi-Xenon*) 414
Replacing bulbs (Halogen) 414, 416
Lowering
Roll bar manually 402
Vehicle 426
Lubricants
Technical data 453
Luggage cover 245
Folding back 245, 264
Latch 245M
Main dimensions 451
Maintenance 12, 342
Maintenance service 342
Basic service (Service A) 342
Calling up the
maintenance service indicator 343
Extended service (Service B) 342
Overdue 343
Types 342
When due 342
Maintenance service indicator 342
Calling up 343
Clearing 343
Resetting 344
Maintenance service system 342
Maintenance system (U.S. vehicles) 463
Malfunction
Displaying 141
Vehicle status
message memory 141, 363
Manual headlamp mode 123Manual operations
Fuel filler flap 399
Interior lighting control 129
Locking the vehicle 398
Roll bar 401
Soft top 403
Unlocking gear selector lever 400
Unlocking the driver’s door 397
Manual shift program 173
MAXCOOL maximum cooling 195
Maximum inflation pressure 337
Maximum load rating 337
Maximum loaded vehicle weight 337
Mechanical key 397
Memory function 119, 463
Recalling
positions from memory 120
Storing exterior rear view
mirror parking positions 121
Storing key-dependent settings 120

487 Index
Resetting
All functions (control system) 142
All functions of a submenu 143
Fuel consumption 159
Maintenance service indicator 344
Trip odometer 131
Residual heat utilization 199, 464
Residual ventilation 199
REST
(Residual engine heat utilization) 464
Restraint system see
Infant and child restraint systems
Restraint systems 465
Rim 337
Rims 445
Roadside Assistance 12
Tele Aid 280
Roll bar 71, 465
Lowering manually 402
Messages in display 387
Operating manually 401
Warning lamp 359
RON 303
RON (Research Octane Number) 465
Rubber parts
Cleaning 352S
Safety
Occupant 60
Safety belts see Seat belts
Safety defects
Reporting 18
Safety systems
Driving 84
Satellite radio
additional text information 217
general information 213
manual channel input 215
storing of station 217
Seat belt force limiter 70
Seat belts 67
Cleaning 351
Fastening 43
Proper use of 45, 69
Safety guidelines 64
Warning lamp 359
Seat cushion depth
Adjusting 116
Seat heating* 117
Switching on/off 117
Seat ventilation* 118
Switching on/off 118Seating capacity 318
Seats 112
Adjusting 37
Easy entry/exit feature 112
Multicontour seat* 116
Seat heating* 117
Seat ventilation* 118
Selecting
Display 146
station (satellite radio) 215
Selecting display 147
Selecting radio mode 209
Selector lever
Lock 47
Message in display 373
Self-test
OCS 80
Tele Aid 277
Service
Parts service 440
Service (maintenance) 342

488 IndexService and Warranty Booklet
Loss of 441
Service and warranty information 10
Service life (tires) 314
Service System see
Maintenance service system
Setting
Convenience functions 144, 156
Cruise control 256
Date (day) 150
Date (month) 149
Date (year) 151
Daytime running lamp mode 152
Higher speed in cruise control 258
Hours (clock) 148
Individual vehicle settings 142
Interior lighting
delayed switch-off 154
Key-dependent memory 157
Lamps and lighting
(control system) 151
Language, multifunction display 146
Locator lighting 153
Lower speed in cruise control 258
Miles/kilometers
in speedometer 145Minutes (clock) 148
Parking position for
exterior rear view mirrors 157
Radio station 215
Slower speed in cruise control 258
Speedometer display mode 145
Temperature (Interior) 183
Temperature (interior) 193
Temperature indicator 145
To last stored speed
(“Resume” function)
in cruise control 259
Units
Speedometer 145
Temperature 145
Setting current speed
Cruise control 256
Setting the temperature 183Settings
Convenience functions 156
Factory, KEYLESS-GO* 101
Factory, SmartKey 96
Individual (SmartKey) 157
Lighting (control system) 151
Menus and submenus 135
Resetting all (control system) 142
Resetting in the submenu 143
Selective 96, 102
Settings menu
Functions in 142
Individual vehicle settings 142
Submenus 143
Shift lock 465
Shifting
Gear selector lever 163
Gear selector lever positions 167
Into optimal gear range
(Automatic transmission) 165
Side marker lamps
Replacing bulbs 414, 415, 419