2005 MERCEDES-BENZ C WAGON ECU

347 Practical hints
Battery
Battery
The battery is located in the engine
compartment on the right hand side.
1Clamps
Removing filter box:
Release clamps1.

Remove filter box.
Installing filter box:

Insert filter box properly.

Secure it with clamps1.
Warning!
G
Failure to follow these instructions can
result in severe injury or death.
Observe all safety instructions and
precautions when handling automotive
batteries (
page 276).
Never lean over batteries while connecting,
you might get injured.
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with eyes,
skin or clothing. In case it does, immediately
flush affected area with water and seek
medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and explosive. Keep
flames or sparks away from battery, avoid
improper connection of jumper cables,
smoking, etc.
!Never loosen or detach battery termi-
nal clamps while the engine is running
or the SmartKey is in the starter switch.
Otherwise the alternator and other
electronic components could be se-
verely damaged.
Have the battery checked regularly by
an authorized Mercedes-Benz Center.
Refer to Maintenance Booklet for main-
tenance intervals or contact an autho-
rized Mercedes-Benz Center for further
information.Warning!
G
Do not place metal objects on the battery as
this could result in a short circuit.
Use leak-proof battery only to avoid the risk
of acid burns in the event of an accident.

348 Practical hintsBattery1Negative terminal
2Positive terminal cover
Disconnecting the battery
Turn off the engine (
page 57).

Turn off all electrical consumers.

Remove SmartKey from starter switch.

Open the hood (
page 270).

Remove the filter box (
page 347).

Disconnect the battery negative lead
from negative terminal1.

Remove cover2 from the positive
terminal.

Disconnect the battery positive lead.
Removing the battery
Remove the screw-nuts securing the
battery.

Remove the battery bracket.

Take out the battery.
Charging and reinstalling the battery
Charge battery in accordance with the
instructions of the battery charger
manufacturer.

Reinstall the charged battery. Follow
the previously described steps in
reverse order.
Warning!
G
With a disconnected battery

you will no longer be able to turn the
SmartKey in the starter switch


the gear selector lever will remain
locked in positionP
Warning!
G
Never charge a battery while still installed in
the vehicle. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.

349 Practical hints
Battery
Reconnecting the battery
Turn off all electrical consumers.

Remove SmartKey from starter switch.

Connect the battery positive lead and
fasten its cover2.

Connect the battery negative lead.

Reinstall the filter box (
page 347).Batteries contain materials that can harm
the environment if disposed of improperly.
Large 12 volt storage batteries contain
lead. Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
!NEVER invert the terminal connections.!The battery, its filler caps and the vent
tube must always be securely installed
when the vehicle is in operation.
iThe following procedures must be
carried out following any interruption of
battery power (e.g. due to reconnec-
tion):

Set the clock (
page 135).
Vehicles with COMAND*:
See COMAND operator’s manual.


Synchronize side windows
(page 218).


Synchronize tilt/sliding sunroof*
(page 222).

358 Practical hintsFusesFuse box in engine compartment
The fuse box is located in the engine
compartment on the driver’s side.
1Cover
2Screws
3RetainerRemoving cover

Twist screws2
90° counterclockwise.

Lift the rear of cover1.

Slide out retainer3 and remove
cover1 by pulling towards front.
Opening fuse box
4Fuse box cover
5Clamps

With a dry cloth, remove any moisture
from the fuse box.

Release clamps5.

Remove fuse box cover4.
Closing fuse box

Make sure that the sealing rubber is
properly positioned.

Press fuse box cover4 down and
secure with clamps5.
Installing cover

Insert cover1 sideways into
retainer3.

Twist screws2 90° clockwise.

405 Index
L
Labels, identification 364
Lamp bulbs, exterior 332
Lamp sensor
Message in display 316
Lamps, exterior
Front 333
Light sensor 316
Messages in display 315–318
Rear 333
Lamps, indicator and warning
ABS 25, 294
Battery (SmartKey) 91
Brakes 25, 295
Engine diagnostics 296, 299
Engine malfunction 25, 296–297
ESP 25, 298
Front fog lamps 108
Front passenger
front air bag off 27, 65, 72, 300
Fuel reserve 25, 299
High beam headlamps 25
Instrument cluster 294–299Low beam headlamps 25
Maintenance service indicator 284
Rear fog lamp 108
Seat belt telltale 25, 299
SRS 25, 61, 299
Turn signals 25
Language
Multifunction display 134
Setting 134
LATCH-type child seat anchors 75
Folding back 76
Layout of poly-V-belt drive 365
Leather upholstery
Cleaning 291
Lever for voice control system* 23
License plate lamps
Messages in display 316
Replacing bulbs 333
Light alloy wheels
Cleaning 290
Technical data 368
Light sensor 316
Lighter see Cigarette lighterLighting 108
Automatic headlamp mode 109
Cargo compartment 115
Combination switch 112
Daytime running lamp mode 110
Door entry lamps 115
Exterior lamp switch 108
Front fog lamps 111
High beams 112
Instrument cluster illumination 116
Instruments 116
Interior 114
Locator lighting 111
Low beam 108
Manual headlamp mode 109
Night security illumination 111
Parking lamps 108
Rear fog lamp 112
Settings (control system) 139
Standing lamps 108
Limiting the gear range 155
Limp Home Mode 160

408 Index
ESP 304–305
Fuel cap 297, 314
Hood 314
Key, SmartKey 314
Lamps, exterior 315–318
Oil 312–313
Parking brake 307
Restraint system 305
Seat belt system 319
SRS 305
Steering gear oil level 319
Tailgate 320
Tele Aid* 320
Telephone* 320
Tilt/sliding sunroof* 320
Windshield washer fluid 320
Multifunction steering
wheel 26, 120, 387
Buttons 120N
Navigation system*
Operating 128
See separate COMAND*
operating instructions
Night security illumination 111
Setting 141
O
Occupant safety 60
Air bags 61
Children and air bags 62
Children in the vehicle 69
Fastening the seat belt 43
Infant and child restraint systems 69
LATCH-type child seat anchors 75
Seat belts 43, 64
Odometer, main 119
Oil
Adding 274
Filler neck 274Oil level see Engine oil level
Oil see Engine oil
One-touch gearshifting 154
Canceling gear range limit 154
Downshifting 154
Upshifting 154
Opening
Cup holder, in rear seat armrest 238
Doors from the inside 93
Fuel filler flap 268
Fuel filler flap manually 328
Glove box 234
Hood 270
Power tilt/sliding sunroof*
in an emergency 329
Side windows 215
Tailgate 94
Tilt/sliding sunroof* 219, 329
Tilt/sliding sunroof*
with SmartKey 221
Windows 215
Windows with SmartKey 217

413 Index
Seats 97
Adjusting 35
Easy entry/exit feature* 97
Heating* 104
Manual seat 36
Multicontour seat* 103
Power seat* 38
Split rear bench seat 230
Securing cargo
Cargo tie-down rings 233
Selecting
Automatic time change
(Daylight Saving Time
(DST) summer/winter) 137
Display for status indicator 134
station (satellite radio) 190
Selecting radio mode 183
Selector lever see gear selector lever
Self-test
BabySmart
TM air bag
deactivation system 72
Tele Aid* 243Service
Parts 362
Service and Warranty Booklet
Loss of 363
Service and warranty information 10
Service life (tires) 279
Service see Maintenance
Service System see FSS
Setting
Convenience functions 132, 144
Cruise control 224
Date (day) 138
Date (month) 137
Date (year) 139
Daytime running lamp mode 140
Exterior rear view mirror
parking position* 107
Higher speed in cruise control 225
Hours (clock) 135
Individual vehicle settings 130
Instrument lighting 116
Interior lighting delayed shut-off 143Key dependent memory 145
Lamps and lighting
(control system) 139
Language, multifunction display 134
Locator lighting 141
Lower speed in cruise control 225
Miles/kilometers
in speedometer 133
Minutes (clock) 136
Night security illumination 141
Parking position* for exterior
rear view mirrors 146
Radio station 190
Slower speed in cruise control 225
Speed in cruise control 225
Speedometer display mode 133
Temperature (interior) 169
Temperature indicator 133
Time display mode (Clock) 137
Units
Speedometer 133
Temperature 133