2003 MERCEDES-BENZ C320 4MATIC WAGON automatic transmission fluid

237 Operation
Engine compartment

Screw the cap back on the filler neck.
Other display messages
If there is excessive engine oil with the en-
gine at normal operating temperature, the
following message will appear:
ENGINE OIL LEVEL – REDUCE OIL LEVEL 
Have excess oil siphoned.
If the key is not turned to position2 in the
starter switch, the following message will
appear:
FOR ENGINE OIL LEVEL IGNITION ON
PLEASE!
Switch on the ignition.If you see the message:
OBSERVE WAITING PERIOD
Wait five minutes before repeating
check procedure.
If you see the message:
ENGINE OIL LEVEL – NOT WHEN ENGINE ON! 
Turn off the engine. If engine is at nor-
mal operating temperature, wait five
minutes before checking oil. If the en-
gine is not yet at normal operating tem-
perature, you must wait 30 minutes
before checking oil.
If a proper oil level check cannot be per-
formed, the following message will appear:
MEASURING NOT POSSIBLE
.

Repeat the engine oil level check after
a short while.
More information on engine oil can be
found in the “Technical data” section
(
page 330).
Transmission fluid level
The transmission fluid level does not need
to be checked. If you notice transmission
fluid loss or gear shifting malfunctions,
have an authorized Mercedes-Benz Center
check the automatic transmission.
S203 MY03_A.book Page 237 Tuesday, January 28, 2003 2:22 PM

328 Technical dataFuels, coolants, lubricants etc.
Fuels, coolants, lubricants etc.Capacities
Vehicle components and their respective lubricants must match. Therefore use only
brands tested and recommended by us.
Please refer to the Factory Approved Service Products pamphlet, or inquire at
your Mercedes-Benz Center.
Model
Capacity
Fuels, coolants, lubricants etc.
Engine with oil filter
C 240
C 320
C 240 4MATIC
C 320 4MATIC
7.9 US qt (7.5 l)
7.9 US qt (7.5 l)
7.4 US qt (7.0 l)
7.4 US qt (7.0 l)
Recommended engine oils
Automatic transmission
8.5 US qt (8.0 l)
MB Automatic Transmission Oil
1
1MB part no. 001 989 21 03 10Manual transmission
1.3 US qt (1.2 l)
MB Manual Transmission Oil
2
2MB part no. 001 989 26 03 10Rear axle
1.2 US qt (1.1 l)
Hypoid gear oil SAE 85 W 90
Front axle
C 240 4MATIC
C 320 4MATIC
0.5 US qt (0.46 l)
Hypoid gear oil SAE 85 W 90
Transfer case
C 240 4MATIC
C 320 4MATIC
approx. 0.62 US qt (0.59 l)
MB Automatic Transmission Oil
1
Power steering
approx. 1.1 US qt (1.0 l)
MB Power Steering Fluid (Pentosin CHF 11S)
Front wheel hubs
approx. 2.1 oz (60 g) each
High temperature roller bearing grease
Brake system
0.5 US qt (0.5 l)
MB Brake Fluid (DOT 4+)
Cooling system
approx. 6.8 US qt (6.4 l)
MB 325.0 Anticorrosion/Antifreeze Agent
S203 MY03_A.book Page 328 Tuesday, January 28, 2003 2:22 PM

346 IndexAir volume
Adjusting 147, 155
AIRBAG OFF indicator lamp 259
Airbags 57
BabySmart
TM deactivation
system 67
Children 58
Front 60
Passenger 60
Safety guidelines 59
Side impact 61
Window curtain 61
Alarm
Audible 72, 80
Canceling 80
Visual 79
Alarm system
Anti-theft 79
Alignment bolt 302, 339
Anticorrosion/antifreeze 335
Antiglare
Automatic 141
Antilock brake system (ABS) 339
Anti-theft alarm system
Arming 79
Canceling alarm 80Disarming 80
Anti-theft systems 79
Anti-theft alarm system* 79
Immobilizer 79
Tow-away alarm 80
Aquaplaning see Hydroplaning 226
Armrest
Storage compartment in front of 205
Storage spaces 206
Ashtray 207
ATF (automatic transmission fluid) 237
AUDIO menu 112
Selecting radio station 113
Audio system
Audio and telephone, operation 161
Button and soft key operation 164
Cassette mode 170
CD mode 174
Operating and display elements 162
Operating safety 161
Operation 164
Radio mode 167
Switching off 164
Switching on 164
Telephone operation 178
Audio systems 161Automatic antiglare for rear view
mirror 141
Automatic central locking
Activating/deactivating (control
system) 125
Automatic climate control 152
Adjusting air distribution 155
Air recirculation mode 156
Deactivating 150
Defrosting 156
Rear window defroster 158
Residual heat utilization 159
Residual ventilation 159
Setting the temperature 154
Automatic headlamp mode 99
Automatic lighting control
Activating 102
Deactivating 102
Automatic locking when driving 88
Automatic transmission 135
Accelerator position 140
Emergency operation (Limp Home
Mode) 140
Fluid level 237
Gear ranges 137
Gear selector lever position 138
S203 MY03_A.book Page 346 Tuesday, January 28, 2003 2:22 PM

357 Index
Manual seat
Adjusting 33
Adjusting backrest tilt 33
Adjusting head restraint height 33
Adjusting head restraint tilt 34
Adjusting seat cushion tilt 33
Adjusting seat height 33
Front seat head restraints 91
Seat fore and aft adjustment 33
Manual transmission 134
Shifting into reverse 134
Starting with 44
MAXCOOL maximum cooling 156
MB Tex upholstery
Cleaning 252
Mechanical key 285
Memory function 95
Recalling positions from memory 96
Storing exterior rear view mirror park-
ing position 97
Storing key dependent settings 96
Menu
Control system 341
Menus 108
AUDIO 112
In control system 110, 111Malfunction memory 115
NAVI 114
Settings menu 116
Standard display 112
Submenus 109
TEL* 131
Trip computer 128
Microphone
Hands-free microphone 27
Miles/kilometers in speedometer
Setting 119
Minispare wheel 282, 303, 324
Bolts 284
Mirrors
Activating exterior rear view mirror
parking position 142
Adjusting 38
Automatic antiglare for rear view
mirror 141
Exterior rear view mirror 39
Exterior rear view mirror parking
positions 128
Inside rear view mirror 38
Storing exterior rear view mirror park-
ing position 97
MON 233MON (Motor Octane Number) 341
Mph or km/h in speedometer 119
Multicontour seat* 93
Multifunction display 107, 341
Selecting language 120
Standard display 111
Multifunction display messages
ABS 261
BAS 262
Battery 278
Brake fluid 264
Brake pads 263
Check engine 258
Coolant 266
Coolant level 265
Display 278
Doors 268
Engine 258
Engine oil level 270
ESP 268
Fuel reserve tank 271
Hood 271
Key 271
Lamps 272–275
Parking brake 275
Steering gear oil level 276
S203 MY03_A.book Page 357 Tuesday, January 28, 2003 2:22 PM