
273 Engine compartment
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Checking engine oil level
E 320 shown
1Oil dipstick
2Oil filler cap
To check the engine oil level, park vehicle on level
ground, with engine at normal operational temperature.
Check engine oil level approximately 5 minutes after
stopping the engine, allowing for the oil to return to the
oil pan.The engine oil level can be checked by either the oil
dipstick or via the multifunction display in the
instrument cluster.
Wipe oil dipstick clean prior to checking the engine oil
level. Fully insert dipstick in tube, and remove after
three seconds to obtain accurate reading.
The oil level must be between the lower
mark (min) and the upper mark (max)
on the oil dipstick.
Fill quantity between upper and lower dipstick marking
level is approximately 2.1 US qt (2.0 l).
Do not overfill the engine.
Excessive oil must be drained or siphoned. It could
cause damage to engine and catalytic converter not
covered by the Mercedes-Benz Limited Warranty.
See malfunction and warning messages on page 261 if
an engine oil level display appears on the multifunction
display when the engine is running.
Note:
See page 117 for engine oil level indicator.
2
1

274 Engine compartment
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Automatic transmission fluid level
The transmission has a permanent fill of automatic
transmission fluid.
Regular automatic transmission fluid level checks and
changes are not required. For this reason the dipstick is
omitted.
If you notice fluid leaks or gear shifting malfunctions,
have your authorized Mercedes-Benz Center check the
transmission fluid level.Coolant level
To check the coolant level, the vehicle must be parked
on level ground and the engine stopped.
Check coolant level only when coolant is cold.
The coolant level should reach the black top part of the
reservoir.

293 Jump starting
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index 4. Clamp one end of the second jumper cable to the
grounded negative (–) terminal of the charged
battery and the final connection to the negative (–)
under hood terminal (3) of the disabled vehicle.
Important!
5. Start engine of the vehicle with the charged battery
and run at high idle. Make sure the cables are not
on or near pulleys, fans, or other parts that move
when the engine is started. Allow the discharged
battery to charge for a few minutes. Start engine of
the disabled vehicle in the usual manner.6. After the engine has started, remove jumper cables
by exactly reversing the above installation
sequence, starting with the last connection made
first. When removing each clamp, make sure that it
does not touch any other metal while the other end
is still attached.
Note:
If engine does not run after several unsuccessful
starting attempts, have it checked at the nearest
authorized Mercedes-Benz Center.
Excessive unburned fuel may damage the catalytic
converter.

333 Fuels, coolants, lubricants etc. - capacities
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index the engine temperature will increase due to the lower
heat transfer capability of the solution. Therefore, do not
use more than this amount of anticorrosion / antifreeze.
If the coolant level is low, water and MB anticorrosion /
antifreeze should be used to bring it up to the proper
level (have cooling system checked for signs of leakage).
The water in the cooling system must meet minimum
requirements, which are usually satisfied by normal
drinking water. If your are not sure about the water
quality, consult your authorized Mercedes-Benz Center.
Anticorrosion / antifreeze
Your vehicle contains a number of aluminum parts. The
use of aluminum components in motor vehicle engines
necessitates that anticorrosion / antifreeze coolant used
in such engines be specifically formulated to protect the
aluminum parts. (Failure to use such anticorrosion /
antifreeze coolant will result in a significantly
shortened service life.)
Therefore the following product is strongly
recommended for use in your car: Mercedes-Benz
Anticorrosion / Antifreeze Agent.Before the start of the winter season (or once a year in
the hot southern regions), you should have the
anticorrosion / antifreeze concentration checked. The
coolant is also regularly checked each time you bring
your vehicle to your authorized Mercedes-Benz Center
for service.
Anticorrosion / antifreeze quantity
Approx. freeze protection
– 35
°F
(– 37 °C)– 49
°F
(– 45 °C)
5.6 US qt
(5.3 l)5.8 US qt
(5.5 l)

338 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Center console .................................................................. 20
Central locking switch .................................................... 34
Central locking system ................................................... 27
Automatic central locking ......................................... 35
Choosing global or selective mode ........................... 30
Electronic key .............................................................. 25
Locking and unlocking .............................................. 29
Mechanical keys .......................................................... 31
Remote control ............................................................ 25
Summer opening/convenience feature ................... 30
CHECK ENGINE
malfunction indicator lamp ..................................... 244
Check regularly and before a long trip ...................... 241
Checking engine oil level
Via engine oil level indicator ...................................117
Via oil dipstick ...........................................................273
Child restraint ..................................................... 57, 65, 77
Child seat
Infant and child restraint systems ........................... 77
Cleaning and care of the vehicle ................................. 314
Clock, setting ...................................................................110
Coin holder in glove box lid ......................................... 163
COMAND, radio, telephone and two-way radio ........ 186
Combination switch ...................................................... 122
Consumer information .................................................. 334
Control and operation of radio transmitters ............. 186COOLANT (coolant level) -
malfunction and warning messages ..................... 256
Coolant level ................................................................... 274
Adding coolant .......................................................... 275
Checking ..................................................................... 274
COOLANT TEMP. -
malfunction and warning messages ..................... 257
Coolant temperature gauge ............................................90
Coolants .......................................................................... 332
Anticorrosion/antifreeze quantity ........................ 333
Cruise control ................................................................ 222
Cup holder
In center console ....................................................... 165
In glove box lid .......................................................... 163
In rear bench armrest ............................................... 162
DDaytime running lamps ................................................120
Deep water
Driving instructions .................................................221
DISPLAY DEFECTIVE (engine control unit) -
malfunction and warning messages ......................251
DISPLAY DEFECTIVE (several systems) -
malfunction and warning messages ......................251
Display illumination ........................................................89

339 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex Doors .................................................................................. 32
Drinking and Driving .................................................... 213
Drive sensibly - Save Fuel ............................................ 213
Driving instructions ...................................................... 213
Driving off ....................................................................... 215
EELEC. STABIL. PROG. -
malfunction and warning messages ......................263
Electrical outlet .............................................................. 269
Electronic key ................................................................... 25
Changing batteries ................................................... 304
Electronic main key
Synchronizing remote control ................................ 306
Electronic stability program (ESP) .............................. 230
Control switch ...........................................................232
Malfunction indicator lamp ..................................... 247
Synchronizing ........................................................... 231
Warning lamp ............................................................247
Emergency call
See Tele Aid ............................................................... 188
Emergency engine shut-down ..................................... 306
Emergency tensioning retractor (ETR) ......................... 67
SRS indicator lamp ................................................... 246Emergency unlocking in case of accident ...................35
Emission control ............................................................ 199
Emission control label .................................................. 324
Engine compartment .................................................... 270
ENGINE FAN -
malfunction and warning messages ..................... 255
Engine malfunction
CHECK ENGINE
malfunction indicator lamp ............................... 244
Engine oil additives ...................................................... 330
Engine oil consumption ................................................ 118
Engine oil level
Checking ............................................................. 117, 273
Warning ...................................................................... 261
ENGINE OIL LEVEL -
malfunction and warning messages ...................... 261
Engine oil level indicator .............................................. 117
Engine oils ..................................................................... 330
ESP (Electronic Stability Program) ............................ 230
Control switch .......................................................... 232
Malfunction indicator lamp .................................... 247
Synchronizing ........................................................... 231
Warning lamp ........................................................... 247
ETR (Emergency tensioning retractor) .........................67
SRS indicator lamp .................................................. 246