2004 MERCEDES-BENZ E320 check engine

Contents
At the gas station .............................. 278
Check regularly and before
a long trip..................................... 279
Engine compartment ......................... 281
Hood ............................................ 281
Engine oil ..................................... 282
Transmission fluid level ................ 285
Coolant level ................................ 285
Battery ......................................... 287
Windshield washer system and
headlamp cleaning system* ......... 288
Tires and wheels ................................ 289
Important guidelines .................... 289
Life of tire..................................... 290
Direction of rotation ..................... 290
Checking tire inflation pressure ... 290
Rotating wheels ........................... 293Winter driving ..................................... 295
Winter tires ................................... 295
Block heater* (Canada only) ......... 296
Snow chains.................................. 296
Maintenance....................................... 297
Flexible Service System PLUS
(FSS PLUS).................................... 297
Clearing the service indicator ....... 298
Service term exceeded ................. 298
Calling up the service indicator..... 298
Resetting the service indicator ..... 298
Setting the date for special
works ............................................ 300
Calling up the service data
information ................................... 301
Vehicle care........................................ 302
Cleaning and care of vehicle ......... 302
Practical hints.................................. 309
What to do if … ................................... 310
Lamps in instrument cluster ......... 310
Lamp in center console ................ 317
Messages in the display................ 318
Where will I find ...? ............................ 350
First aid kit.................................... 350
Vehicles with TIREFIT kit
(E 55 AMG) ................................... 350
Spare wheel .................................. 350
Luggage box ................................. 351
Vehicle tool kit.............................. 352
Unlocking / locking in an emergency .. 353
Unlocking the vehicle ................... 353
Locking the vehicle ....................... 354
Changing batteries in the
SmartKey/ SmartKey with
KEYLESS-GO* ............................... 355
Fuel filler flap emergency release . 357
Manually unlocking the
transmission selector lever ........... 357
Opening / closing in an emergency..... 358
Sliding / pop-up roof* or panorama
sliding / pop-up roof* .................... 358

31 Getting started
Unlocking
Starter switch positionsStarter switch0For removing SmartKey
1Power supply to some electrical con-
sumers, such as seat adjustment
2Ignition (power supply for all electrical
consumers) and driving position
3Starting position
Warning!
G
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Do
not leave children unattended in the vehicle,
or with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause an accident and/or serious personal
injury.iThe SmartKey can only be removed
from the starter switch with the gear
selector lever in positionP.
!If the SmartKey cannot be turned, the
battery may not be sufficiently
charged.

Check the battery and charge it
if necessary (
page 287).

Get a jump start (
page 378).
To prevent accelerated battery dis-
charge or a completely discharged bat-
tery, always remove the SmartKey from
the starter switch when the engine is
not in operation.

49 Getting started
Driving
Single wipe
Press switch briefly in the direction of
arrow1.
The windshield wipers wipe one time
without washer fluid.
Wiping with windshield washer fluid

Push switch in the direction of
arrow1 past the resistance point.
The windshield wipers operate with
washer fluid.
Information on filling up the washer reser-
voir can be found in the “Operation” sec-
tion (page 288).
!If anything blocks the windshield wip-
ers (leaves, snow, etc.), switch them off
immediately.

For safety reasons,

turn off the engine by turning
the SmartKey to position0 and
withdraw SmartKey from starter
switch
or


turn off the engine by pressing
the KEYLESS-GO* start/stop
button and open the driver’s
door (with the driver’s door
open, starter switch is in
position0, same as with
SmartKey removed from starter
switch)
before attempting to remove any
blockage.


Remove blockage.


Turn the windshield wipers on
again.
If windshield wipers fail to function at
all in switch positionI,


set the combination switch to the
next highest wiper speed


have the windshield wipers
checked at the nearest authorized
Mercedes-Benz Center

50 Getting startedDrivingProblems while driving
The engine runs erratically and misfires

An ignition cable may be damaged.


The engine electronics may not be op-
erating properly.


Unburned gasoline may have entered
the catalytic converter and damaged it.

Give very little gas.

Have the problem repaired by an au-
thorized Mercedes-Benz Center as
soon as possible.The coolant temperature is over 248°F
(120°C)
The coolant is too hot and is no longer
cooling the engine.

Stop the vehicle as soon as possible
and turn off the engine. Allow engine
and coolant to cool.

Check the coolant level and add cool-
ant if necessary (
page 285).
In case of accident
If the vehicle is leaking gasoline:

Do not start the engine under any cir-
cumstances.

Notify local fire and/or police authori-
ties.If the extent of the damage cannot be de-
termined:

Notify an authorized Mercedes-Benz
Center.
If no damage can be determined on the


major assemblies


fuel system


engine mount

Start the engine in the usual manner.

56 Safety and SecurityOccupant safety
Occupant safetyIn this section you will learn the most im-
portant facts about the restraint systems
of the vehicle.
The restraint systems are

Seat belts


Emergency tensioning device


Airbags


Child seats


Child seat recognition


Lower anchors and tethers for children
(LATCH)
As independent systems, their protective
effects work in conjunction with each oth-
er.The 1 indicator lamp in the instrument
cluster comes on


for about four seconds when you turn
the SmartKey in the starter switch to
position1 or press the KEYLESS-GO*
start/stop button once. It then goes
out briefly, comes on again and re-
mains lit until you start the engine.


for about four seconds when you start
the engine by turning the SmartKey or
pressing the KEYLESS-GO* start/stop
button.The restraint systems are fully operational
if the 1 indicator lamp is not lit when
the engine is running.
A malfunction in the system has been de-
tected if the 1 indicator lamp:


fails to go out after approximately four
seconds


does not come on at all


comes on after the engine was started
or while driving
For safety reasons, we strongly recom-
mend that you visit an authorized
Mercedes-Benz Center immediately to
have the system checked.
More information can be found in the
“Practical hints” section (
page 316).
iFor information on infants and children
traveling with you in the vehicle and re-
straint systems for infants and chil-
dren, see “Children in the vehicle”
(page 65).
iThe 1 indicator lamp comes on and
remains lit if the SmartKey is turned to
position2 and left there or the
KEYLESS-GO* start/stop button is
pressed twice. The indicator lamp will
go out when you start the engine.

133 Controls in detail
Control system
Menus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Menu7
Menu8
Standard dis-
play
AUDIO
NAVI*
Distronic*
Malfunction
memory
Settings
Trip computer
Telephone
Commands/submenusDigital speed-
ometer
Select radio
station
Activate
route guid-
ance
Call up set-
tings
Call up malfunc-
tion messages
Reset to factory
settings
Fuel consumption
statistics after
start
Load phone
book
Call up FSS
PLUS
Operate CD
player
Instrument clus-
ter submenu
Fuel consumption
statistics since
the last reset
Search for
name in
phone book
Check tire pres-
sure*
Time/Date sub-
menu
Call up range
Check engine oil
level
Lighting sub-
menuVehicle sub-
menuConvenience
submenuDynamic seat*
submenu

134 Controls in detailControl systemStandard display menu
You can select the functions in the stan-
dard display menu with buttonk
orj.
The following functions are available:Display digital speedometer

Press buttonj twice.
The current vehicle speed is shown in
the multifunction display.
AUDIO menu
The functions in the
Audio
menu operate
the audio equipment which you currently
have turned on.
If no audio equipment is currently turned
on, the message
AUDIO OFF
is shown in the
display.
The following functions are available:Select radio station

Turn on the radio. Refer to separate op-
erating instructions.

Press buttonè orÿ repeatedly
until you see the currently tuned sta-
tion in the display.
1Waveband setting
2Station frequency

Press buttonk orj repeatedly
until the desired station is found.
iThe headings used in the menus table
are designed to facilitate navigation
within the system and are not neces-
sarily identical to those shown in the
control system displays.
The first function displayed in each
menu will automatically show you
which part of the system you are in.
Function
Page
Call up digital speedometer
134
Call up FSS PLUS
297
Check tire pressure*
291
Check engine oil level
283
Function
Page
Select radio station
134
Select satellite radio station*
135
Operate CD player
135

167 Controls in detail
Automatic transmission
Deactivating manual shift program
Press the program mode selector
switch repeatedly until
S or
C appears
in the multifunction display.
or

Restart the engine.
The transmission will go into the last
automatic shift program mode selected
(SorC).
Program modeM is not stored.Emergency operation (Limp Home
Mode)
If vehicle acceleration worsens or the
transmission no longer shifts, the trans-
mission is most likely operating in limp
home (emergency operation) mode. In this
mode only second gear and reverse gear
can be activated.
Stop the vehicle.

Move gear selector lever toP.

Turn off the engine.

Wait at least ten seconds before
restarting.

Restart the engine.

Move gear selector lever to positionD
(for second gear) orR.

Have the transmission checked at an
authorized Mercedes-Benz Center as
soon as possible.
iThe last selected automatic program
mode (S orC) is switched on when the
engine is restarted in the automatic
program mode.