2001 MERCEDES-BENZ C320 lock

329 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Taillamp assemblies
Open trunk lid.
Fold trim to the side.
Turn locking lever (1) to vertical position and remove
bulb carrier.
Push bulb into socket, turn counterclockwise and
remove.
Insert new bulb in socket, push in and twist clockwise.
Reinstall bulb socket.
Reinstall trim. 2Driver’s side:
rear fog lamp
(P 21 W/32 cp bulb)
3Backup lamp (P 21 W / 32 cp bulb)
4Stop lamp (P 21 W/32 cp bulb)
5Turn signal lamp (PY 21 W bulb [yellow])
6tail, parking, standing and
side marker lamp (R 5 W / 4 cp bulb)

332 Electronic main key
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Changing batteries in the electronic main key
1Transmit buttons
2Lamp for battery check and function control
Checking batteries
If one of the transmit buttons (1) is pressed, the battery
check lamp (2) lights up briefly – indicating that the
batteries are in order.
Change batteries if the battery check lamp (2) does not
light up briefly.Changing batteries
Move locking tab (3) in direction of right arrow and
remove mechanical key (4, left arrow).
P80.20-2201-26
1
2
P80.35-2029-26
4
3

333 Electronic main key
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Insert mechanical key (4) in side opening (5) to open
latch. Press briefly (do not use mechanical key as lever)
to release battery compartment.
Remove mechanical key from side opening.
Carefully remove battery compartment in direction of
arrow (6).Change batteries (7), inserting new ones under contact
spring (8) with plus (+) side facing up.
Return battery compartment into housing until locked
in place and slide mechanical key back into electronic
main key.
P80.35-2025-26
5
4
6
P80.35-2027-26
78

334 Emergency engine shut-down
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Important!
Batteries contain materials that can harm the
environment if disposed of improperly. Recycling of
batteries is the preferred method of disposal. For
disposal, please follow manufacturer’s recommendation
on battery package.
Replacement Battery:
Lithium, type CR 2025 or equivalent.
Synchronizing remote control
The remote control may have to be resynchronized, if
the vehicle cannot be locked or unlocked.
To synchronize insert electronic key in starter switch.
The remote control should once again be operational.Emergency engine shut-down
If the engine can no longer be stopped using the
electronic key, the engine can be turned of f by removing
two fuses.
For easy removal of fuses use the fuse extractor (located
in the auxiliary fuse box in the trunk) to pull out the
fuses marked on the fuse chart as “ENGINE
EMERGENCY OFF”.
The fuse chart is located in the fuse box in the
passenger compartment.
For fuses see page 295.

336 Emergency engine shut-down
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Slide both locking tabs (2) in direction of arrow, lower
rear of cover and remove.
Note:
Do not disconnect electrical connectors.Obtain crank (3) (supplied with vehicle) and insert
through hole.
To slide roof closed or to raise the roof at the rear:
turn crank clockwise.
To slide the roof open or to lower the roof at the rear:
turn crank counterclockwise.
See page 188 for instructions on synchronizing the
sliding / pop-up roof after closing manually.

337 Replacing wiper blade insert
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Replacing wiper blade inserts
For safety reasons, remove electronic key from steering
lock before replacing the wiper blades, otherwise the
motor can suddenly turn on and cause injury.
Notes:
Do not open engine hood with wiper arm folded forward.
Do not allow the wiper arm to contact the windshield
glass without a wiper blade inserted. The glass may be
scratched or broken.
Make certain that the wiper blades are properly
installed. Improperly installed wiper blades may cause
windshield damage.
Removal:
Fold wiper arm forward. Press safety tab down (1), push
wiper blade downward (2) and remove.

338 Replacing wiper blade insert
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Place wiper blade on firm support. Press down both tabs
and slide (direction of arrow) the wiper blade insert out
of the retainer claws.
Installation:
Slide (direction of arrow) wiper blade insert into
retainer claws until tabs are engaged.
Slide wiper blade onto wiper arm until it locks in place.Roof rack
On ly m ount r oof r acks to t he fasten in g bolts (se e arr ows)
located under the door weatherstrips.
Use only those roof racks approved by Mercedes-Benz to
avoid damage to the vehicle. Follow manufacturer’s
installation instructions.

364 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Index
AAirbags .............................................................................. 65
ANTILOCK BRAKE SYSTEM
Malfunction and warning message ........................277
Antilock brake system (ABS) .......................................258
Antitheft alarm system ................................................... 38
Ashtrays .......................................................................... 199
Audio system
Button and soft key operation ................................. 163
Cassette mode ........................................................... 169
CD changer ................................................................ 174
CD mode ..................................................................... 173
Operating and display elements ............................. 161
Operating safety ........................................................ 160
Operation ................................................................... 163
Operation Audio and telephone .............................. 160
Radio mode ................................................................ 166
Telephone operation ................................................. 177
Audio systems .................................................................. 98
Cassette player .......................................................... 100
CD Player ...................................................................... 99
Radio ............................................................................. 98Automatic central locking ..............................................34
Automatic climate control ............................................ 146
Activated charcoal filter ........................................... 154
Adjustable air outlets,
rear passenger compartment ............................. 159
Air recirculation ........................................................ 153
Air volume, manual .................................................. 151
Basic setting ............................................................... 150
Defrosting ................................................................... 152
Display and controls ................................................. 148
Dust filter ................................................................... 150
Economy mode .......................................................... 155
Front center console storage
compartment ventilation ..................................... 158
Residual engine heat utilization ............................. 156
Special settings ......................................................... 151
Windows fogged up on the inside .......................... 152
Windows fogged up on the outside ........................ 152
Automatic transmission ............................................... 234
Fluid level ...................................................................301
Transmission selector lever,
manually unlocking ............................................ 325