2001 MERCEDES-BENZ E320 warning

109 Multifunction steering wheel, multifunction display
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Should any malfunctions be stored while driving, they
will reappear in the display (2) when the electronic key
is in steering lock position 0 or removed from the
steering lock.
Specific malfunctions can be recalled by pressing
buttonJ. Each malfunction or warning message must
be acknowledged by pressing buttonJ. Once all
messages are cancelled the odometer display should
reappear.
Pressing theJbutton in the instrument cluster
immediately switches to the next malfunction message.
The malfunction message memory will be cleared when
the electronic key is turned in the steering lock to
position 1 or 2. Should subsequent malfunctions occur,
they will be displayed in the malfunction message
memory.
Pressing the è or ÿ button displays the next or
previous system.Important!
Malfunctions and warning messages are only indicated
for certain systems and displayed to a low level of detail.
The malfunction and warning messages are simply a
reminder with respect to the operation of certain
systems and do not replace the driver’s responsibility to
maintain the vehicle’s operating safety by having all
required maintenance and safety checks performed on
the vehicle and by bringing the vehicle to an authorized
Mercedes-Benz Center to address the malfunction and
warning messages. See page 239.

114 Flexible service system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Flexible service system (FSS)
(service indicator)
The FSS permits a flexible service schedule that is
directly related to the operating conditions of the
vehicle.
The symbol 9 or ½ appears together with a
message in the multifunction indicator prior to the next
suggested service.
Depending on operating conditions throughout the year,
the next service is calculated and displayed in days or
distance remaining.The message is displayed for approximately 10 seconds
when turning the electronic key in steering lock to
position 2, or while driving when reaching the service
warning threshold.
The symbols and messages indicate the type of service
to be performed:
9Service A
½Service B
One of t he following messages will appe ar in th e displ ay
(e.g. Service A):
“SERVICE A – IN xx DAYS”
“SERVICE A – IN xx MILES” (Canada: KM)
“SERVICE A – EXCEEDED BY xx DAYS”
“SERVICE A – EXCEEDED BY xx MILES” (Canada: KM)
“SERVICE A – DUE NOW”
The next service due date is displayed either in days or
in miles, depending on your driving style.
Once th e su gge sted service term ha s passed, th e symb ol
and message appear for approximately 30 seconds and
a signal sounds every time when turning the electronic
key in steering lock to position 2.
10
0
406080
60
40
mph
20km/h
20100
120
140160
80
100
180
200
220
240 160 120 140

118 Engine oil level indicator
Technical
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 260 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 “PERF. SERV. ON TIME” (perform service
[engine oil level check] on time) 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 260.
In this case we recommend that you have the system
checked at a Mercedes-Benz Center.
Note:
See “Malfunction and warning messages” on page 239
and page 250 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.

120 Exterior lamp switch
Technical
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.
The lamp-on time period can be changed at your
Mercedes-Benz Center.

125 Hazard warning flasher
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Hazard warning flasher switchThe hazard warning f lasher can be activated with the
switch located in the dashboard.
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 main key in steering lock
position 2, only the respective left or right side turn
signals will operate.

171 Garage door opener
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Garage door opener
1Integrated remote control transmitter
2Portable remote control transmitterThe built-in remote control is capable of operating up to
three separately controlled objects.
Note:
Certain types of garage door openers are incompatible
with the integrated opener. If you should experience
difficulties with programming the transmitter, contact
your authorized Mercedes-Benz Center, or call
Mercedes-Benz Client Assistance Center (in the USA
only) at 1-800-FOR-MERCedes, or Customer Service (in
Canada) at 1-800-387-0100.
For operation in the USA only: This device complies
with Part 15, Subpart C, Section 209 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired
operation.
WARNING: Changes or modification not expressly
approved by party responsible for compliance could void
the user’s authority to operate the equipment.
Wa r n i n g !
When programming a garage door opener, the door
moves up or down.When programming or operating the remote
control make sure there is no possibility of anyone
being harmed by the moving door.
2

191 Steering lock
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Important!
If the el ectronic key is lef t in th e steering lock position 0
for an extended period of time, it can no longer be
turned in the lock. In this case, remove electronic key
from steering lock and reinsert.
Caution!
To prevent accelerated battery discharge and a possible
dead battery, always remove the electronic key from the
steering lock. Do not leave th e ele ctronic key in steering
lock position 0.Notes:
A warning sounds when the driver’s door is opened
while the electronic key is in steering lock position 1
or 0.
With the engine at idle speed, the charging rate of the
alternator (output) is limited.
It is therefore recommended that you turn off
unnecessary electrical consumers while driving in
stop-and-go traffic. This precaution helps to avoid
draining of the battery.
Unnecessary strain on the battery and charging system
may be minimized by turning off the following power
consumers, for example:
Heated seats, rear window defroster. In addition, the
automatic climate air volume control should be set to
the lowest position.
The steering lock can only be unlocked with the vehicle
battery properly charged and connected.

202 Parking brake
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Parking brakeTo engage, firmly depress parking brake pedal. When
the electronic key is in steering lock position 2, the
brake warning lamp in the instrument cluster should
come on brightly.
To rel ease t he parking bra ke, pull h andl e on instru ment
panel. The brake warning lamp in the instrument
cluster should go out.
A warning sounds, if you start to drive without having
released the parking brake.
Also see brake warning lamp on page 235.
P42.20-2059-26
Wa r n i n g !
When leaving the vehicle always remove the
electronic key from the steering lock, and lock the
vehicle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could release the parking brake, which
could result in an accident or serious injury.