2003 MERCEDES-BENZ E320 4MATIC WAGON Owner's Manual

118 Engine oil level indicator
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
One of the following messages will subsequently appear
on the indicator:
“ENGINE OIL LEVEL – O.K.”
No oil needs to be added.
“ENGINE OIL LEVEL – ADD 1.0 QUART”
(Canada: 1.0 L)
“ENGINE OIL LEVEL – ADD 1.5 QUART”
(Canada: 1.5 L)
“ENGINE OIL LEVEL – ADD 2.0 QUART”
(Canada: 2.0 L)
See page 273 for instructions on adding engine oil.
“ENGINE OIL LEVEL – REDUCE OIL LEVEL”
Do not overfill the engine.
Excessive oil must be siphoned or drained off. It could
cause damage to the engine and catalytic converter not
covered by the Mercedes-Benz Limited Warranty.
The message “MEASURING NOT POSSIBLE” will be
displayed if a proper oil level check cannot be
performed. The engine oil level check can be repeated
after a short time.Perform the engine oil level check with the dipstick, if it
cannot be completed via the multifunction display.
See page 273.
In this case we recommend that you have the system
checked at a Mercedes-Benz Center.
Note:
See malfunction and warning messages on page 250
and page 261 if an engine oil level indicator appears on
the multifunction display when the engine is running.
The engine oil level cannot be checked while the engine
is running. The “ENGINE OIL LEVEL – NOT WHEN
ENGINE ON” message will appear.
Engine oil consumption
Engine oil consumption checks should only be made
after the break-in period. During the break-in period,
higher oil consumption may be noticed and is normal.
Frequent driving at high engine speeds results in
increased consumption.

119 Exterior lamp switch
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Exterior lamp switch
DOff
CParking lamps (also side marker lamps, taillamps,
licence plate lamps, instrument panel lamps)
Canada only: When the engine is running, the low
beam is additionally switched on.BLow beam plus parking lamps or high beam
headlamps (combination switch pushed forward).
ˆStanding lamps, right (turn left one stop)
‚Standing lamps, left (turn left two stops)
‡Front fog lamps (pull out one stop) with parking
lamps and / or low beam headlamps on. Green
indicator in lamp switch comes on.
†Rear fog lamp (pull out to second detent) in
addition to the front fog lamps. Yellow indicator in
lamp switch comes on.
Standing lamps
When the vehicle is parked on the street the standing
lamps (right or left side parking lamps) can be turned
on, making the vehicle more visible to passing vehicles.
The standing lamps cannot be operated with the
electronic key in steering lock position 2.

120 Exterior lamp switch
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Note:
With the electronic key removed and the driver’s door
open, a warning sounds and the message “SWITCH OFF
LIGHTS” in the multifunction indicator appears if the
vehicle’s exterior lamps (except standing lamps) are not
switched off.
Fog lamps will operate with the parking lamps and / or
the low beam headlamps on. Fog lamps should only be
used in conjunction with low beam headlamps. Consult
your State or Province Motor Vehicle Regulations
regarding allowable lamp operation.
Fog lamps are automatically switched off when the
exterior lamp switch is turned to position D.Daytime running lamps
(Canada only)
When the engine is running and the selector lever is in
a driving position, the low beam headlamps (includes
parking lamps, side marker lamps, taillamps and
license plate lamps) are automatically switched on.
When shifting from a driving position to position “N”
or “P”, the low beam switches off (2 seconds delay).
For nighttime driving the exterior lamp switch should
be turned to position B to permit activation of the
high beam headlamps.
Night security Illumination
When exiting the vehicle after driving with the exterior
lamps on, they switch on again for added illumination
for approximately 30 seconds after closing the last door.

121 Headlamp cleaning system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Headlamp cleaning system (optional)The switch is located in the center console.
The headlamp washer can be activated with the
electronic key in steering lock position 2.
Briefly press symbol side of switch.
P82.15-2007-26

122 Combination switch
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and controlsOperationDrivingInstrument
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Combination switch
1Low beam (exterior lamp switch position B)
2High beam (exterior lamp switch position B)3High beam flasher (high beam available
independent of exterior lamp switch position)
4Turn signals, right
5Turn signals, left
To signal minor directional changes, such as changing
lanes on a highway, move combination switch to the
point of resistance only and hold it there.
To operate the turn signals continuously, move the
combination switch past the point of resistance (up or
down). The switch is automatically canceled when the
steering wheel is turned to a large enough degree.
Turn signal failure
If one of the turn signals fails, the turn signal indicator
system flashes and sounds at a faster than normal rate.
4
4
2
5
5
3
1

123 Combination switch
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index 6Control for windshield wiper / washer system:
Push briefly for single wipe without adding washer
fluid (use only when windshield is wet).
Push past detent and hold to activate wiper and
washer.
7Windshield wiper
0Wiper offI Intermittent wiping
Vehicles with optional rain sensor:
One initial wipe, pauses between wipes are
automatically controlled by a rain sensor
monitoring the wetness of the windshield.
Notes:
With switch in this position, one wipe occurs
when turning the electronic key in steering lock
from position 0. However, this might cause
scratches on a dry windshield. Turn combination
switch to Off position before turning the
electronic key in steering lock from position 0.
Optional rain sensor:
Do not leave in intermittent setting when vehicle
is taken to an automatic car wash or during
windshield cleaning. Wiper will operate in
presence of water spray at windshield, and wiper
may be damaged as a result.
II Normal wiper speed
III Fast wiper speed
Vehicles without optional rain sensor:
If the vehicle is standing still, the wiper will
switch back one setting.
P54.25-2423-26

124 Rear window wiper/washer
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data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Note:
The windshield washer reservoir, hoses and nozzles are
automatically heated.
For windshield and headlamp washer fluid mixing ratio,
see page 276.
Windshield wiper smears
If the windshield wiper smears the windshield, even
during rain, activate the washer system as often as
necessary. The fluid in the washer reservoir should be
mixed in the correct ratio.
Blocked windshield wiper
If the windshield wiper becomes blocked (for example,
due to snow), switch off the wiper.
For safety reasons before removing ice or snow, remove
electronic key from steering lock. Remove blockage.
Activate combination switch again (electronic key in
steering lock position 1).Rear window wiper / washer
1Press for interval wiping, indicator lamp comes on.
Press again to switch off, indicator lamp goes out.
2Press and hold for simultaneous operation of wiper
and washer
The rear window wiper will also automatically engage if
the windshield wiper is engaged and the gear selector
lever is placed in “R” Reverse.
12

125 Hazard warning flasher
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Hazard warning flasher switchThe hazard warning flasher can be activated either
manually via the switch located in the dashboard, or it
is activated automatically at the time an airbag is
deployed.
To activate hazard warning flasher, press switch once.
To deactivate, press switch again.
Note:
With the hazard warning flasher activated, the
combination switch in position for either left or right
turn, and the electronic key in steering lock position 2,
only the respective left or right side turn signals will
operate. After turn signal cancellation, the hazard
warning f lasher is activated.