ignition MERCEDES-BENZ E-CLASS SALOON 2008 Manual Online

Troubleshooting
293Accident
Problem Possible cause/consequence Suggested solutions
Fuel is leaking from the vehicle.
G
Risk of fire
The fuel line or the fuel tank has
been damaged. The leaking fuel
creates a risk of fire or explosion. X
Switch off the ignition immediately.
X Remove the ignition key.
Do not restart the engine under any circumstances. The leaking fuel
creates a risk of fire or explosion.
X Consult a qualified specialist workshop. You are unable to determine the
extent of the damage. X
Consult a qualified specialist workshop. You cannot detect any damage. X
Start the engine as normal. The NECK-PRO head restraints
on the driver's and front-
passenger seats have been trig-
gered. Your vehicle has been involved in
a rear-end collision. X
Reset the NECK-PRO head restraints (Y page 309). Practical advice
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
2008-02-29T16:57:07+01:00 - Seite 293 ZDateiname: 6515_3416_02_buchblock.pdf; preflight

Troubleshooting
294 Fuel and fuel tank
Problem Possible cause/consequence Suggested solutions
Fuel is leaking from the vehicle.
G
Risk of explosion or fire
The fuel line or the fuel tank is
defective. X
Turn the key to position 0in the ignition lock immediately and
remove it.
X Do not restart the engine under any circumstances.
X Consult a qualified specialist workshop. The fuel filler flap cannot be
opened. The fuel filler flap is not released. X
Unlock the vehicle ( Ypage 306). The opening mechanism is jam-
med. X
Consult a qualified specialist workshop. The fuel tank of a vehicle with a
diesel engine has been run com-
pletely dry. There is air in the fuel system. X
Refuel the vehicle.
X Switch on the ignition for approximately 10 seconds (key in posi-
tion 2in the ignition lock).
X Start the engine continuously for up to 40 seconds until it runs
smoothly.
The fuel system is now free of air.
If the engine does not start:
X Wait two minutes.
X Repeat the starting procedure for up to 40 seconds.
If the engine still does not start:
X Consult a qualified specialist workshop. Practical advice
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
2008-02-29T16:57:07+01:00 - Seite 294 Dateiname: 6515_3416_02_buchblock.pdf; preflight

Troubleshooting
295Engine
Problem Possible cause/consequence Suggested solutions
The engine will not start. HOLD is activated. X
Deactivating HOLD (Y page 155).
X Start the engine again. The engine will not start. You can
hear the starter motor operating. R
There is a malfunction in the
engine electronics.
R There is a malfunction in the
fuel supply. X
Turn the key back to position 0in the ignition lock before the next
starting attempt.
X Try to start the engine again (Y page 110). Avoid excessively long
and frequent attempts to start the engine, as this will drain the
battery.
If the engine does not start after several attempts:
X Consult a qualified specialist workshop. Vehicles with a diesel engine:
The engine will not start. You can
hear the starter motor operating.
The reserve fuel warning lamp is
on and the fuel gauge shows
0. The fuel tank has been run dry. X
Refuel the vehicle.
X Bleed the fuel system (Y page 294).The engine will not start. You can-
not hear the starter motor oper-
ating. The on-board voltage is too low
because the starter battery is too
weak or discharged. X
Jump-start the vehicle (Y page 333).
If the engine does not start despite attempting to jump-start it:
X Consult a qualified specialist workshop. Practical advice
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
2008-02-29T16:57:07+01:00 - Seite 295 ZDateiname: 6515_3416_02_buchblock.pdf; preflight

Troubleshooting
297Automatic 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
immediately. 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. Practical advice
* optional
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
2008-02-29T16:57:07+01:00 - Seite 297 ZDateiname: 6515_3416_02_buchblock.pdf; preflight

Troubleshooting
298 Parktronic*
Problem Possible cause/consequence Suggested solutions
Only the red segments in the
Parktronic warning display are lit.
You also hear a warning tone for
approximately two seconds.
Parktronic is deactivated after
approximately 20 seconds and
the indicator lamp in the Park-
tronic button lights up. Parktronic has malfunctioned
and has switched itself off. X
If problems persist, have Parktronic checked at a qualified spe-
cialist workshop. Only the red segments in the
Parktronic warning display are lit.
Parktronic is deactivated after
approximately 20 seconds. The Parktronic sensors are dirty
or there is interference. X
Clean the Parktronic sensors ( Ypage 248).
X Switch the ignition back on. Only the red segments in the
Parktronic warning display are lit.
Parktronic is deactivated after
approximately 20 seconds. The problem may be caused by an
external source of radio or ultra-
sound waves. X
See if Parktronic functions in a different location. Practical advice
* optional
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
2008-02-29T16:57:07+01:00 - Seite 298 Dateiname: 6515_3416_02_buchblock.pdf; preflight

Troubleshooting
299Headlamps and turn signals
Problem Possible cause/consequence Suggested solutions
The headlamps or the turn signals
in the exterior mirrors are misted
up on the inside. Air humidity is very high. X
Drive with the headlamps switched on.
The headlamps are demisted after a short distance. The headlamp housing is not
sealed and moisture has been
able to enter. X
Have the headlamps checked at a qualified specialist workshop. Windscreen wipers
Problem Possible cause/consequence Suggested solutions
The windscreen wipers are jam-
med. Leaves or snow, for example, may
be obstructing the windscreen
wiper movement. The wiper
motor has been deactivated. X
For safety reasons, you should remove the key from the ignition
lock.
X Remove the cause of the obstruction.
X Switch the windscreen wipers back on. The windscreen wipers fail com-
pletely. The windscreen wiper drive is
malfunctioning. X
Select another wiper speed on the combination switch.
X Have the windscreen wipers checked at a qualified specialist work-
shop. Practical advice
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
2008-02-29T16:57:07+01:00 - Seite 299 ZDateiname: 6515_3416_02_buchblock.pdf; preflight

Troubleshooting
302 Problem Possible cause/consequence Suggested solutions
The key cannot be turned in the
ignition lock. The key has been in position
0for
a considerable time. X
Remove the key and reinsert it into the ignition lock.
X Check the starter battery and recharge it if necessary
(Y page 329).
X Start the engine. The on-board voltage is too low. X
Switch off non-essential consumers, e.g. seat heating* or interior
lighting, and try to turn the key again.
If this does not work:
X Check the starter battery and recharge it if necessary
(Y page 329).
or
X Jump-start the vehicle (Y page 333).
or
X Consult a qualified specialist workshop. Practical advice
* optional
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
2008-02-29T16:57:07+01:00 - Seite 302 Dateiname: 6515_3416_02_buchblock.pdf; preflight

Troubleshooting
304 Problem Possible cause/consequence Suggested solutions
The vehicle cannot be started
using the KEYLESS GO key and
the KEYLESS GO button. The KEY-
LESS GO key is in the vehicle. A door is open. The key therefore
cannot be detected so easily. X
Close the door and try to start the vehicle again. You did not depress the brake
when starting the engine. X
Depress the brake and press the KEYLESS GO button. There is interference from a pow-
erful source of radio waves. X
Start your vehicle using the KEYLESS GO key in the ignition lock. You have lost the KEYLESS GO
key. X
Have the KEYLESS GO key cancelled at a Mercedes-Benz Service
Centre.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. Auxiliary heating*
Problem Possible cause/consequence Suggested solutions
The auxiliary heating is not work-
ing. The fuel level is down to the
reserve level. X
Refuel at the nearest filling station. The battery is not sufficiently
charged. X
Charge the battery. The auxiliary heating is faulty. X
Have the auxiliary heating checked at a qualified specialist work-
shop. Practical advice
* optional
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
2008-02-29T16:57:07+01:00 - Seite 304 Dateiname: 6515_3416_02_buchblock.pdf; preflight

Locking/unlocking in an emergency
306 Locking/unlocking in an emergency
Emergency key
If the vehicle can no longer be unlocked or
locked with the key or the KEYLESS GO
key*, use the emergency key element.
If you use the emergency key element to
unlock and open the driver's door or the boot
lid (Saloon), the anti-theft alarm system* will
be triggered (Y page 62).
There are several ways to turn off the alarm:
X Press the korj button on the key.
or
X Insert the key into the ignition lock.
or
X Press the KEYLESS GO button* on the
selector lever. The KEYLESS GO key* must
be in the vehicle.
or
X Lock or unlock the vehicle using KEYLESS
GO*. The KEYLESS GO key* must be out-
side the vehicle. Releasing and removing the emergency
key element 1
Release catch
2 Emergency key element
X Push release catch 1in the direction of
the arrow and at the same time remove
emergency key element 2from the key. Unlocking the vehicle
If the vehicle can no longer be unlocked cen-
trally with the key or the KEYLESS GO key*:
X Remove the emergency key element from
the key (Y page 306). $
To unlock
X Insert the emergency key element into the
lock of the driver's door as far as it will go.
X Turn the emergency key element anti-
clockwise to position $.
The door is unlocked.
i On right-hand-drive vehicles, turn the
emergency key element clockwise.
X Turn the emergency key element back and
remove it. Practical advice
* optional
211_AKB; 2; 5, en-GB
mkalafa,
Version: 2.9.4 2008-02-29T16:57:07+01:00 - Seite 306Dateiname: 6515_3416_02_buchblock.pdf; preflight

Replacing the wiper blades
315Changing the rear bulbs
Changing the bulbs in the licence plate
lamps Licence plate lamps (Saloon)
1
Screws
X Switch off the lights.
X Open the boot lid.
X Remove screws 1.
X Remove the licence plate lamp.
X Replace the bulb.
X Insert the licence plate lamp.
X Replace and tighten screws 1. Replacing the wiper blades
Windscreen wiper blades
G
Risk of accident
The windscreen will not longer be properly
wiped if the wiper blades are worn. This
could prevent you from observing the traffic
conditions, thereby causing an accident.
Replace the wiper blades twice a year, ide-
ally in spring and autumn. G
Risk of accident
The wiper arms could start moving and
cause an injury if you leave the windscreen
wipers switched on.
Remove the key from the ignition lock
before replacing the wiper blades.
! Make sure that you touch only the wiper
arm of the windscreen wiper to avoid dam-
aging the windscreen wiper blades. Removing Moving the wiper blades to a vertical posi-
tion
Vehicles without KEYLESS GO*
X
Make sure that the key is in position 1or
2 in the ignition lock.
X Set the windscreen wipers to posi-
tion u (Ypage 106) on the combination
switch.
X When the wiper arms have reached a ver-
tical position, turn the key to position
M and remove it from the ignition lock. Practical advice
* optional
211_AKB; 2; 5, en-GB
mkalafa ,V ersion: 2.9.4
2008-02-29T16:57:07+01:00 - Seite 315 ZDateiname: 6515_3416_02_buchblock.pdf; preflight