2004 MERCEDES-BENZ CLK CABRIOLET heating

336 Practical advice
Trouble
shoo ting Problem Po
ssible caus e/consequ ence Su
ggested solutions The key cannot be turned
inthe ignition
lock. The
on-board voltage is too low. 6
Switch off consum ers that are not re-
quired, e.g. seat heating or interior light-
in g, an d try toturn the key again.
If this does not work:
6 Check the star ter battery and charge it
if necessary.
or
6 The vehicle may be jump-started
( = page 379).
or 6 Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. 209en_d2.boo Seite
336 Dienstag, 25. Mai 2004 7:26 19

339
Practical advice
Tr ou bleshooting Aux
iliaryheatin g* Problem Pos
sible caus e/consequ ence Suggested solutions
The auxiliary heating is not
working. The fuel tank is only a quarter full. 6
Refuel at the nearest filling station. The battery check lamp on the auxiliary
heating remote control lights up in orange. The remote control batterie
sare nearly
dis charge d. 6
Change the remote control batte ries
(= page 356). The battery check lamp on the auxiliary
heating remot
e control flashes in oran ge. The remote control batteries are dis-
charg
ed. 6
Change the remote contro lbatte ries
(= page 356). 209en_d2.boo Seite
339 Dienstag, 25. Mai 2004 7:26 19

354 Practical advice
Changing the key batteries
If the remote control or KEYLESS GO key*
batteries are discharged, you will only be
able lock and unlock the vehicle manually
with the emergency key element
( = pa ge 341).
If the auxiliary heating* remote control
batteries are discharged, you will only be
able to switch the auxiliary heating on and
off with the sw itch inside the vehicle
( = pa ge 176).
It is advisable to have the batteries re-
placed at a qua lified speci alist workshop,
e.g. a Mercedes-Benz Servi ceCentre. i
Onlyever replace batteries in pairs.
Suitable batteries can be ob tained at a qualified
sp ecialist workshop, e.g. at a Mercede s-Be nz
Service Centre.
They will also cha nge batteries for youand take
back old ba tteries. In manyEU cou ntries and
some other countri es, retail outlets are obliged
to take bac kold batteries. You need two
3VCR 2025 cell batteries.
1 Emergency key element
2 Battery tray with release cat ch
6 Pull out emergency key element 1
(= page 341).
6 Press the grey release catch in the
opening in the direction of the arrow
using the emergency key element.
The battery compartment is unlocked.
6 Pull battery tray 2out of the remote
control in the direction of the arrow. Changing the key batteries
G
Risk of poisoning Batteries cont
ain poisonous and caustic
substances. Yoush ould therefore keep bat-
teries out of the reach of children.
If a battery is swallowed, consult a doctor
immediatel y. H
Environmental note Do not dispose of bat
teries with the house-
hold rubbish. Batteries contain highly toxic
substances.
Take discharged batteries to a qualified
sp ec ialist works hop, e.g. a Mercedes -Benz
Service Centre, or a special collection point
for old batteries. Remote control209en_d2.boo Seite
354 Dienstag, 25. Mai 2004 7:26 19

356 Practical advice
Changing the key batteries
You need two 12V pin batteries.
1 Batteries
2 Battery cover 6
Slide off battery cover 2.
6 Remove old batteries 1.
6 Insert the new batteries. Observe the
plus and minus signs in the remote
control casing.
6 Slide the battery co ver back onto the
remote control.
i Whe ninserting the batteries, make sure that
the yare clean and lint-free.
6 Test the auxiliary heating functions on
the vehicle us ing the remote control. Auxiliary heating* remote control209en_d2.boo Seite
356 Dienstag, 25. Mai 2004 7:26 19

429
Index A
ABS . . . .. . . .. . . . . . . .. . . . . . . .. ..68
Display message . . . .. . . . ..2 81–283
Ex planation . . . . . . . .. . . . . . . ... 419
Malfunction . . . . . . . .. . . . . . . ... 311
Warn ing lamp .... . . . .... . . . ...311
Accele ration . . . .. . . .. . . . . . . ... 398
Active Ser vice System –
see ASSYST
Ad ditional turn signa ls
(exte rior mirr ors) . . . . .... . . . ...357
Air pump, electr ic. . . . .... . . . ...276
Airbag ... . . . .... . . . ..... . . . ....49
Ac tivat ion . . .... . . . ..... . . . ....50
Co ntrol . . . . ..... . . ..... . . . ....50
Fr ont .. . . . .... . . . ..... . . . ....55
Fr ont- passenger .. . . . .... . . . ....55
He ad/thorax .... . . . .... . . . ....58
Inf lation . . . ..... . . ..... . . . ....54
Sideba gs . .. . . .. . . .. . . . . . . .. ..56
Sy stem . . . . ..... . . ..... . . . ....53
Windowbags . . . . . . . .. . . . . . . .. ..57
Airflow /distribution
Adjusting (Ther matic) .. . . . . . . ... 158
Ad justing (Th ermotr onic) ... . . . ..168 Air-recirculation mode
Thermatic . . . . . .. . . . . . . .. . . . .. 160
Thermotro nic . . . . . . . . . . .. . . . .. 170
Al arm
Disabling
(anti -theft alarm system) . . . . . . . . .73
Antifreeze concentration . .. . . . .. 415
Antifreeze protection .. . . . . . . . .. 415
An ti-lock braking system–see ABS
An ti-theft alarm system . . ..... . ..72
Ma lfunction . . . . ..... . . ..... .. 317
Di sabling the alarm ... . . . .... . ..73
Anti-theft systems . . .. . . . . . . . . ..72
Armrest Adjusting the angle . . . . . .. . . . .. 227
Ash tray
Cockpit . . . . . . . .. . . . . . . .. . . . .. 229
Rear . .. . . . . . . .. . . . . . . .. . . . .. 230
AS SYST .. . . . . . . .. . . . . . . .. . . . .. 265
Au dibl e warning sign al. . . . .... .. 318
Automatic air cond itioning –
see The rmatic
Automatic car wash . .. . . . . . . . .. 268
Automatic transmission . . .. . . . .. 138
Display message . . . . . . . .. . . . .. 291
Dr iving tips .. . . . .... . . . ..... .. 142 Em
erg ency mod e.. . . . .... . . . . .326
Gear shift program . . . . .... . . . . .141
Ma lfunction . .... . . . . .... . . . . .326
Oi l level . . . . .... . . . . .... . . . . .247
On e-touch gearshifting . .... . . . . .140
Releasing the parking lock
manua lly . . . . .... . . . . .... . . . . .353
Selector lever positions .... . . . . .139
Shift ranges . .... . . . . .... . . . . .140
Trailer towing .... . . . . .... . . . . .142
Auxiliary heating .. . . . . .... . . . . .175
Changing the batter y..... . . . . . .356
Ma lfunction . .... . . . . .... . . . . .339
Rem ote contr ol.. . . . . .... . . . . .176
Sett ing the switch-on time
(operating system) . . . . . . . . . . . . .126
Auxiliary ventilation . . .... . . . . . .175
Axle load, permissib le.... . . . . . .408 B
Ball coupling Fitting .. . . . . .... . . . . .... . . . . .260
Rem oving . . . .... . . . . .... . . . . .263
BAS ..... . . . . .... . . . . .... . . . . ..69
Display messag e. . . . . .... .284– 286
Expl anation . .... . . . . .... . . . . .419 209en_d2.boo Seite
429 Dienstag, 25. Mai 2004 7:26 19

430 Index
Battery
Changing (auxiliar yheating ). . . . . .356
Changing (key) .... . . . .... . . . ..354
Changing (KEYLESS GO) . . . . . . ..355
Charg ing . . . . ..... . . ..... . . . ..378
Checking (key) .... . . . ..... . . . ..80
Checking (KEYLESS GO key) . . . . ..84
Connecting . . . . . . . . . . . . . . . . . . .378
Disconnecting (vehic le) . . . . . . . . .377
Display messag e.. . . . .... . . . ..306
Ind icator lamp (key) . . . ..... . . . ..80
Indicator lamp (KEYLESS GOkey) . .84
Rem oving (vehicle) . . . . ..... . . ..377
Belt force lim iters .. . . . .... . . . ...51
Activation . . . ..... . . ..... . . . ...50
Belt tensioners .... . . . .... . . . ...51
Activation . . . ..... . . ..... . . . ...50
Bonnet ... . . . .... . . . ..... . . . ..244
Bonnet catch . . . . . . . . . . . . . . . . .244
Display messag e.. . . . .... . . . ..303
Op ening /closing .. . . . .... . . . ..244
Boot Closing .. . . . .... . . . ..... . . . ...86
Display messag e.. . . . .... . . . ..296
Lock .... . . . .... . . . ..... . . . ..342
Locking button (KEYLESS GO) . . . ..83
Op ening . . . . ..... . . ..... . . . ...84 Rem
otec losing feature . . . . ...... 87
Remote contro l. . . . . . . . . .. . . . .. 86
Sep arator . . . . . . .. . . . . . . .. . . . .188
Unlocking in an emergency . . . . . .341
Boot lid Limiting the opening angle . . . . . . . .85
Boot load, maximum . . .. . . . . . . . .408
Brake Assist – see BAS
Brake fluid . . .. . . . . . . . . . . .. . . . .416
Disp lay messag e.. . . . . . . .. . . . .295
Brake lamp Third . . . ..... . . ..... . . . ..... .357
Brake lamps . .. . . . . . . . . . . .. . . . .357
Disp lay messag e.. . . . . . . .. . . . .300
Brake pads Displ aymessag e.. . . . . . . .. . . . .294
Brake sys tem
Dr iving tips . . . . . .. . . . . . . .. . . . .255
High-performance brake system
(C LK 55 AMG ). . . . . . . . . . .. . . . .256
Indicator lam p. . . .... . . . . 31 2, 313
Bulbs Changing the front bulbs . . .. . . . .359
Changing the rear bulbs . . . .. . . . .361
Front . . .. . . . . . . .. . . . . . . .. . . . .357
Rear . . .. . . . . . . .. . . . . . . .. . . . .357 C
Call Accepting /ending (telephone) . . . .134
Ca re ..... . . . . . .... . . . . .... . . . .267
Au tomat iccar wash . . . . .... . . . .268
Di stronic . . . . . .... . . . . .... . . . .269
He adlamps . . . .... . . . . .... . . . .269
Park tronic . . . . .... . . . . .... . . . .269
So ft top . . . . . .... . . . . .... . . . .270
Tr ailer tow hitch... . . . . .... . . . .271
Windscreen . . . . . . . . . . . . . . . . . .268
Wi per blades . . .... . . . . .... . . . .268
CD changer
Glove compartment storage
location . . . . . .... . . . . .... . . . .225
CD pla yer
Operating (operating system) . . . . .114
Ce ntral locking
Activati ng/d eactivating
(operating system) . . . . . . . . . . . . .125
Key .... . . . . . .... . . . . .... . . . . .79
KEYLESS GO. .... . . . . . .... . . . . .83
Sw itches on the centre console . . . .89
Ce ntre console
Ov erview . . . . . .... . . . . .... . . . . .17
Ch angi ng a whe el– see Fl attyre 209en_d2.boo Seite
430 Dienstag, 25. Mai 2004 7:26 19

434 Index
Fuel fi
ller flap
Em ergency release . . . . ..... . . ..342
Ma lfunction . ..... . . ..... . . . ..322
Op ening /closing .. . . . .... . . . ..241
Fuel line Ma lfunction . ..... . . ..... . . . ..321
Fuel tank Ma lfunction . ..... . . ..... . . . ..321
Run dry (diesel engine) . ..... . . . .322
Fuse box
Boot .... . . . .... . . . ..... . . . ..387
En gine compartment . . ..... . . . .386
Fuse extractor . . . .. . . .. . . . . . . ..277
Fuses .... . . . .... . . . ..... . . . ..385
Allocation chart.. . . . . .... . . . ..385
Changing fuses ... . . . .... . . . ..385
Ex tractor . . . ..... . . ..... . . . ..385
Main fus ebox . . . . . . . .. . . . . . . ..386 G
Garage door Openin g/closing
(with remote control) . . ..... . . . .236
Garage door opener . . ..... . . . ..235
Clearing the memory
(remote contr ol).. . . . . .... . . . ..236
Frequencies . ..... . . ..... . . . ..417 Gea
rshift pattern
Ma nual transmission . . ...... . ..137
Gearshift program Ma nual .. . . . . . . .. . . . . . . .. . . . .143
Ma nual (CLK 55 AMG) . . . . .. . . . .145
Genuine parts . . . ..... . . . ..... .390
Glove compartment . . ....... . . .225
Gradient-climb ingca pability
from astandstill . .. . . . . . . .. . . . .263
Gross vehicle weight,
permissible . .. . . . . . . . . . . .. . . . .408 H
Haz ard warning lamps .. . . . . . . . .103
Head restraint Adjusting (front) . . ..... . . . ...27, 28
Adjusting (rear) . . ..... . . . ...93, 94
Folding bac kin the rear . . . .. . . . .. 93
Lowe ring . . . . . . . .. . . . . . . .. . . . .. 94
Removing /installing . . . . . . . . . . . .91
Head /thorax airbag . . .. . . . . . . . .. 58
Expla nation ... . . . .... . . . ..... .422 Headlamp fla
sher .. . . . . .... . . . .102
Headlamp mode (automatic) . . . ..100
Headlam p range control .... . . . . .102
Headlamps Cleaning . . . . . .... . . . . .... . . . .269
Cleaning system . . . . . . . . . . 148, 248
Mi sted up . . . . .... . . . . .... . . . .328
Headlamp sdelayed switch- off –
see Exterior lighting, Delayed
sw itch-off
Heater booster system . .... . . . . .174
Ex planation . . . .... . . . . .... . . . .422
Se lecting settings
(operating system) . . . . . . . . . . . . .128
Heating Au xiliary heating ... . . . . .... . . . .175
Re ar window . . .... . . . . .... . . . .153
High-per formance brake system
(CLK 55 AMG) . .... . . . . . .... . . . .256
High-pre ssure cleaners .... . . . . .268 209en_d2.boo Seite
434 Dienstag, 25. Mai 2004 7:26 19

438 Index
Parktronic
. . ..... . . . ..... . . . ..212
Activating /deac tiva ting . . . . . . . ..215
Cleaning the sensors . . . . . . . . . . .269
Explanation .. . . . . . . .. . . . . . . ..425
Ma lfunction . ..... . . ..... . . . ..327
Range of the sensors . . . . . . . . . . .213
Trailer towing . . . . . . . .. . . . . . . ..215
Warning display ... . . . .... . . . ..214
PASSENGER AIRBAGOFF
warning lamp .. . . . . . . .. . . . .. 64 ,309
Payload ... . . . .... . . . ..... . . . ..408
Permane ntcurrent
Connection . . . . . . . . . . . . . . . . . . .264
Permanent Speedtronic . . . .. . . ..211
Petrol Consumption . . . . . . . .. . . . . . . ..411
Mi nim um grade ... . . . .... . . . ..242
Reser vefuel war ning lam p... . . . .316
Power windo ws– see Sid ewindows
Pressure – see Tyre pressure
Program selector switch
Automatic transmission . . . . . . . ..141
Manual gearshift program
CLK 55 AMG . . . . . . . .. . . . . . . ..146
Protection of the envir onment . .... 4
PTS – see Parktronic
Pulling away..... . . . ..... . . . ...38 R
Radio Select station (operating
system) . . . . . . . . . . . . . . . . . . . . . .113
Rain closing fe ature
Sliding /tilting sunroof . . . . .. . . . .182
Range Calling up (operating system) . . . . .132
Reading lamp .. . . . . . . . . . . .. . . . .105
Rear air ven ts
Thermatic .... . . . .... . . . . 16 2, 173
Rear bulbs . . .. . . . . . . . . . . .. . . . .357
Rear fogla mp.. . . . .... . . . . 10 1, 357
Displ aymessag e.. . . . . . . .. . . . .301
Rear interior light ing. . .. . . . . . . . .105
Rear seat Foldin gforward /back. . . . . . . . . .223
Rear window blind .. . . . . . . .. . . . .152
Rear window heating . .. . . . . . . . .153
Ma lfunc tion . . . . .. . . . . . . .. . . . .308
Rear -comp artment air
condition ing
Thermatic . . . . . . .. . . . . . . .. . . . .162
Thermotronic . . . . ..... . . ..... .173 Rear-vie
wmi rror
Ad justing . . . . .... . . . . .... . . . . .31
An ti-dazzle mode (automatic) . . . . .148
Ma nua lant i-da zzle . . . . . .... . . . .148
Rearward-facing child seat ... . . . . .64
Refuelling . . . . ..... . . . . .... . . . .241
Remote control Au xiliary heating ... . . . . .... . . . .176
Bo ot ... . . . . . .... . . . . .... . . . . .86
Ch anging thek ey
b atteries . . . . .. . .. . ..354, 355, 356
Key .... . . . . . .... . . . . .... . . . . .79
Replacement parts . . . . ..... . . . .390
Reserve Fu el tank . . . . .... . . . . .... . . . .410
Reserve fuel . . .... . . . . . .... . . . .410
Wa rning lamp . .... . . . . .... . . . .316
Residual heat Th ermotronic . .... . . . . .... . . . .171
Restraint system ... . . . . .... . . . . .46
Ai rbags .. . . . . .... . . . . .... . . . . .49
Be lt force limiters .. . . . . .... . . . . .51
Be lt tensioner s.... . . . . .... . . . . .51 209en_d2.boo Seite
438 Dienstag, 25. Mai 2004 7:26 19