2006 MERCEDES-BENZ C350 4MATIC ECU

387 Practical hints
Where will I find ...?
1Vehicle tool kit
2Arrow
3Minispare wheel with spare wheel bolts
in container on wheel rim
4Vehicle tool kit storage well casing
Remove vehicle tool kit storage well
casing4.

Remove Minispare wheel3.Storing the Minispare wheel

Place Minispare wheel3 in wheel
well.

Place vehicle tool kit storage well
casing4 over the Minispare wheel.
Make sure arrow2 on vehicle tool kit
storage well casing4 points in the
direction of travel.

Place storage well casing (
page 383)
over vehicle tool kit storage well
casing4 and turn the retaining screw
(
page 383) clockwise as far it will go
to secure the Minispare wheel.
iArrow2 on vehicle tool kit storage
well casing4 must point in the
direction of travel. Otherwise you
cannot place the storage well casing
(page 383) on top and secure the
Minispare wheel with the retaining
screw (
page 383).
!To prevent damage, always disengage
trunk floor handle from upper edge of
trunk and lower trunk floor before
closing the trunk lid.Warning!
G
The dimensions of the Minispare wheel are
different from those of the road wheels. As
a result, the vehicle handling characteristics
change when driving with a Minispare wheel
mounted.
The Minispare wheel should only be used
temporarily, and should be replaced with a
regular road wheel as quickly as possible.

412 Practical hintsBatteryThe 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 302).
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.
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.!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
maintenance intervals or contact an
authorized Mercedes-Benz Center for
further information.

413 Practical hints
Battery
1Negative terminal
2Positive terminal cover
Disconnecting the battery
Turn off the engine (
page 59).

Turn off all electrical consumers.

Remove SmartKey from starter switch.

Open the hood (
page 297).

Remove the filter box (
page 412).

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.

Pull out the battery ventilation tube
from the battery (depending on battery
arrangement in your vehicle model, the
ventilation tube is located either on the
left or right side of the battery).

Take out the battery.
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

421 Practical hintsFuses
Fuses
Fuses are designed to protect the electri-
cal circuits in your vehicle from a short cir-
cuit. If a fuse is blown, the component(s)
and systems secured by that fuse will stop
operating.
The following aids are available to help you
replace fuses (
page 421):


Fuse chart


Spare fuses


Fuse extractor
The electrical fuses are located in different
fuse boxes:


Main fuse box in passenger
compartment (
page 422)


Fuse box in engine compartment
(page 422)


Fuse box in trunk (
page 423)
Aids for replacing fuses
Fuse chart
The fuse chart is located in the main fuse
box in the passenger compartment
(page 422). The amperages of the fuses
are also given there.
Spare fuses
Spare fuses are located in the vehicle tool
kit in the trunk (
page 383).
Fuse extractor
The fuse extractor is located in the fuse
box cover in the trunk (
page 423).
Warning!
G
Only use fuses approved by Mercedes-Benz
with the specified amperage for the system
in question. Using other fuses may cause an
overload leading to a fire, and/or cause
damage to electrical components and/or
systems.
!Never attempt to repair or bridge a
blown fuse. Have the cause determined
and remedied by an authorized
Mercedes-Benz Center.!Keep the fuse boxes free by contamina-
tion and wetness. Otherwise, electrical
parts or systems could be damaged.

423 Practical hintsFuses
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.
Fuse box in trunk
The fuse box is located in the trunk behind
the left-hand trim panel.
1Trim panel
2Fuse extractor
3Fuse box coverOpening fuse box

Pull away trim panel1.

Remove fuse box cover3.
Closing fuse box

Insert fuse box cover3.

Insert trim panel1.

465 Index
Multifunction display messages
ABS 360
Brake fluid 370
Brake lamps 377
Brake pads 370
Coolant 371, 372, 373
Cruise control 374
Display 374
Door 374
Engine coolant 371, 372, 373
Engine oil 375
ESP
®
361, 362
Fog lamps 377, 379
Front passenger front
air bag 364, 367
Fuel cap 352, 376
Headlamps 378, 379
Hood 376
Key, SmartKey 376
Lamps, exterior 377–380
Parking brake 370
Parking lamp 379
Seat belt system 381
SRS 363
Steering gear oil 381Tele Aid* 382
Telephone* 382
Tilt/sliding sunroof* 382
Trunk 382
Turn signals 380
Windshield washer fluid 382
Multifunction steering wheel 26, 131,
452
Button operation 131
N
Navigation system* 138
See separate COMAND* operating
instructions
Net, parcel 258
Neutral gear position, Automatic
transmission* 162
Neutral gear position, Manual
transmission 161
New vehicle break-in 282
Night security illumination 121
Setting 151
Normal occupant weight 332
Number, vehicle identification (VIN) 428O
Occupant Classification System see OCS
Occupant distribution 332
Occupant safety 62
Air bags 63
Children and air bags 64
Children in the vehicle 74
Fastening the seat belt 45
Front passenger front air bag off
indicator lamp 80, 356
Infant and child restraint systems 74
LATCH-type child seat anchors 83
OCS 77
Seat belts 45, 66
OCS 77, 452
Self-test 81
Odometer 130
Oil level see Engine oil level, Checking oil
level
Oil see Engine oil
One-touch gearshifting
(Automatic transmission*) 168
Canceling gear range limit 169
Downshifting 169
Upshifting 169

468 IndexS
Safety
Driving safety systems 87
Occupant 62
Reporting defects 18
Safety belts see Seat belts
Satellite radio* 211
Seat belt force limiter 72
Seat belts 69
Children in the vehicle 74
Cleaning 347
Fastening 45
Height adjustment 47
Message in display 381
Proper use of 47, 70
Safety guidelines 66
Telltale 25, 381
Seat heating* 114
Seating capacity 309
Seats, 35, 109
Heating* 113, 114
Lumbar support* 112
Manual 36, 109
Memory function*
(Power seats*) 115Multicontour seat*
(Canada only) 113
Power* 38, 109
Rear bench seat* 253
Securing cargo 256
Selector lever see gear selector lever
Self-test
OCS 81
Tele Aid* 266
Service and Warranty Booklet
Loss of 427
Service and warranty information 10
Service intervals see Maintenance service
indicator 338
Service life (tires) 305
Service see Maintenance Service system
see FSS (Canada vehicles) or Mainte-
nance System (U.S. vehicles) 338
Service System see FSS
Service, Parts 426
Settings
Control system menus and
submenus 133, 134
Date 147, 148
Factory, SmartKey 100Individual, SmartKey 100
Individual, Vehicle 140
Lighting (control system) 149
Memory function* 115
Menus and submenus 132
Resetting all (control system) 140
Selective, SmartKey 100
Time 145, 146
Shelf below rear window, cleaning 347
Shift lever position indicator 130, 163
Shift lock 453
Shift program mode, Automatic
transmission* 130
Shifting
Automatic transmission* 49, 162
Into optimal gear range
(automatic transmission*) 169
Into reverse (manual
transmission) 161
Manual transmission 48, 161
Side impact air bags (front and rear*) 68
Side marker lamps
Cleaning lenses 344
Messages in display 377
Replacing bulbs 403
Side windows see Power windows