31, 2, 3 ...
4ETS (Electronic Traction Support )............ 50 A
ABS (Anti-lock Braking System) ..........48
Display message ............................. 196
Warning lamp.................................. 212
Acceleration
Technical data. ............................... 265
Accident
Notes. ............................................. 218
Active service system
see Service display
Airbag
Activation.......................................... 33
Control unit....................................... 33
Driver's ............................................. 37
Front. ................................................ 37
Front passenger ................................ 37
PASSENGER AIRBAG OFF warning
lamp .............................................. 211
System.............................................. 35
Windowbags. .................................... 37
Air conditioning
Activating/deactivating ..................124
Activating/deactivating air-recir-
culation mode. ................................ 129
Auxiliary heating/ventilation........... 130 Controlling automatically.
...............124
Cooling with air dehumidification ...124
Demisting the windscreen ..............127
Malfunction indicator lamp. ............210
Misted-up windows. ........................127
Rear window heating ......................128
Setting the air distribution. .............126
Setting the airflow .......................... 127
Setting the air vents .......................125
Setting the temperature .................125
Switching the residual heat func-
tion on/off ...................................... 129
Thermatic. ...................................... 122
Air-conditioning
Windscreen heating. .......................128
Air-conditioning system
see Air conditioning
Air filter
Display message ............................. 207
Antifreeze concentration................... 281
Anti-lock braking system see ABS
Anti-theft alarm system
see ATA
Anti-theft systems................................ 51
Ashtray................................................ 148
ASSYST see Service display
ATA (anti-theft alarm system)............. 51
Switching off the alarm. ....................52Audible warning signal......................
217
AUTO lights Display message ............................. 204
Automatic car wash........................... 183
Automatic transmission Changing gear yoursel f..................... 90
Display message ............................. 198
Driving tips ....................................... 91
Emergency running mode ...............222
Instrument cluster display. ...............89
Malfunction..................................... 222
Oil level.. ......................................... 161
One-touch gearshifting. ....................90
Releasing the parking lock man-
ually. ............................................... 233
Selector lever positions. ...................89
Shift ranges. ..................................... 91
Trailer towing. ................................... 91
Auxiliary heating ................................ 130
Malfunction..................................... 228
Remote control ............................... 131
Setting (on-board computer).......... .105
Auxiliary ventilation ...........................130
Axle load, maximum permissible
............................................ .271, 272, 273 B
Backrest Display message ............................. 208
BAS (Brake Assist)............................... 48 Index
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6BAS.
.................................................. 48
EBV. .................................................. 50
Driving safety systems
4ETS. ................................................ 50
ESP ®
................................................ 48
Driving system................................... 113
Cruise control. ................................ 113
Speedtronic. ................................... 115
Driving systems
Reversing camera. ..........................119
Driving tip
Braking ........................................... 170
Trailer towing. ................................. 178
Winter ............................................. 169
Driving tips......................................... 169
Driving abroad ............................... 177
Driving on wet roads ......................171
Fording .................................. 172, 176
DVD audio
Operating (on-board computer). .....102
DVD video
Operating (on-board computer). .....102 E
Easy-entry/exit feature Activating/deactivating (on-
board computer). ............................ 109
Easy-entry feature ..........................63, 67
Easy-exit feature.................................. 67EBV (electronic brake-power distri-
bution)
................................................... 50
Electrical/electronic equipment Retrofitting ..................................... 260
Electronic brake-power distribution
see EBV
Electronic Stability Program
see ESP ®
Electronic Traction Support see 4ETS
e mark................................................. 260
Emergency key element Lost. ............................................... 226
Emergency locking
Vehicle............................................ 230
Emergency release
Fuel filler fla p.................................. 230
Emergency running mode
Automatic transmission ..................222
Emergency unlocking
Rear door. ....................................... 229
Vehicle............................................ 229
Engine
Display message ............................. 200
Running irregularl y.......................... 220
Starting ............................................. 86
Starting problems ........................... 220
Technical data. ............................... 263
Engine diagnostic warning lamp....... 215 Engine electronics.............................. 260
Malfunction..................................... 220
Engine number................................... 262
Engine oil ........................................... 279
Capacities.. ..................................... 160
Checking the oil level (automatic
transmission) .................................. 161
Checking the oil level (dipstick). .....160
Checking the oil level (on-board
computer). ...................................... 159
Consumption ................................. 159
Display message
....................................... 159, 207, 208
Filler neck. ...................................... 160
Topping up. ..................................... 160
ESP ®
(Electronic Stability Program)... 48
Activating/deactivating ....................49
Display messages ...................197, 198
Warning lamp. .......................... 48, 213
Exterior lighting
Delayed switch-off (on-board
computer). ...................................... 107
Exterior mirrors
Adjusting .......................................... 68
Anti-dazzle mode (automatic). ..........68
Malfunction..................................... 225
Parking position. ......................... 69, 71
Storing settings ................................ 70
Exterior view
Overview. .......................................... 18Index
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Engine compartment
161G 320 CDI
1
Cap
X Unscrew cap 1and remove it.
X Top up with the amount of oil required.
! Do not add too much oil. If too much oil
is added and the oil level is above the max-
imum mark on the dipstick, the engine or
catalytic converter could be damaged.
Have excess oil siphoned off.
X Screw cap 1onto the filler neck. H
Environmental note
When topping up the oil, take care not to
spill any. Oil must not be allowed to escape
into the soil or waterways. You would oth-
erwise be damaging the environment. Oil level in the automatic transmis-
sion
There is no need for you to check the oil level
in the automatic transmission. In the event of
oil loss or problems with gearshifts, have the
automatic transmission checked at a quali-
fied specialist workshop, e.g. at a Mercedes-
Benz Service Centre. Coolant
G
Risk of injury
The cooling system is pressurised. There-
fore, only unscrew the cap once the engine
has cooled down. This means the coolant
temperature gauge must display less than
70 °C. You could otherwise be scalded by
escaping hot coolant.
Coolant consists of water and antifreeze/cor-
rosion inhibitor. Only check the coolant level
when the vehicle is on a level surface and the
engine has cooled down. Checking the coolant level The expansion tank is located in the engine
compartment on the right-hand side of the
vehicle when viewed in the direction of travel.
1
Cap
X Slowly turn cap 1by half a turn in the
direction of the arrow to release excess
pressure.
X Unscrew cap 1completely and remove it.
X Turn cap 2further anti-clockwise and
remove it.
There is sufficient coolant in the expansion
tank if the coolant is level with the mark in
the expansion tank when the coolant is cold
or approximately 1.5 cm higher when hot. Operation
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Troubleshooting
222 Automatic transmission
Problem Possible cause/consequence Suggested solutions
The transmission has problems
shifting gear The transmission is losing oil. X
Have the transmission checked at a qualified specialist workshop
immediatel y. The acceleration ability is deteri-
orating.
The transmission no longer
changes gear. The transmission is in emergency
mode.
It is only possible to shift into
2nd
gear and reverse gear. X
Stop the vehicle.
X Move the selector lever to P.
X Turn the key to position 0in the ignition lock.
X Wait at least 10 seconds before restarting the engine.
X Move the selector lever to position Dor R.
If D is selected, the transmission shifts into 2ndgear; if Ris selec-
ted, the transmission shifts into reverse gear.
X Have the transmission checked at a qualified specialist workshop
immediately. Ultrasonic reversing aid*
Problem Possible cause/consequence Suggested solutions
When you engage the selector
lever into position
R, you will not
hear a warning tone and none of
the segments of the ultrasonic
reversing aid will light up. You have a trailer connected.
You have an adapter plug inser-
ted into the trailer power socket. X
Unplug the adapter plug.
The ultrasonic reversing aid functions again as usual. Practical advice
* optional
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Service products and capacities
276 Service products and capacities
Notes on service products and capaci-
ties
Service products are:
R fuels (e.g. petrol, diesel)
R lubricants (e.g. engine oil, transmission oil,
grease)
R coolant
R brake fluid
Mercedes-Benz recommends that you only
use those products which have been tested
and specially approved by Mercedes-Benz for
your vehicle and are listed in the Mercedes-
Benz Specifications for Service Products
since:
R parts and service products are matched.
R damage caused by the use of non-approved
service products is not covered by the war-
ranty
You can obtain further information from any
Mercedes-Benz Service Centre. G
Risk of accident
When handling, storing and disposing of
any service products, please observe the
relevant regulations. Failure to do so could endanger other persons and the environ-
ment.
Keep service products away from children.
To protect your health, do not allow service
products to come into contact with your
eyes or open wounds. See a doctor imme-
diately if any service product is swallowed. H
Environmental note
Dispose of service products in an environ-
mentally-responsible manner. Fuels
G
Risk of explosion
Fuel is highly flammable. Fire, naked flames
and smoking are therefore prohibited when
handling fuels.
Before refuelling, turn off the engine and
the auxiliary heating*. G
Risk of injury
Do not allow fuel to come into contact with
skin or clothing.
Allowing fuels to come into direct contact
with your skin or inhaling fuel vapours is
damaging to your health. Tank capacity Total capacity Approximately 96 l
Of which reserve
fuel
Approximately 13 l
!
Do not use petrol to refuel vehicles with a
diesel engine. Do not use diesel to refuel
vehicles with a petrol engine. Never mix
diesel with petrol. Even small amounts of
the wrong fuel result in damage to the
injection system. Damage resulting from
adding the wrong fuel is not covered by the
warranty.
More information about refuelling and fuels
can be found in the "Operation" section. Technical data
* optional
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