engine MERCEDES-BENZ E-CLASS COUPE 2009 Manual Online

Problem Possible causes/consequences and
0050
0050Solutions 00B8
The yellow
reserve fuel
warning lamp
lights up while
the engine is
running. The fuel level has fallen below the reserve range.
X
Refuel at the nearest filling station. Warning tones
Problem Possible causes/consequences and
0050 0050Solutions The anti-theft warning
alarm* is triggered. You have opened the vehicle with the anti-theft alarm system still
activated*.
X
Switch off the alarm (Y page 58).You hear
awarning
tone. Am
essage appears in the multi-function display.
X See the explanations for the display message (Y page 208).You are driving with the parking brake applied.
X
Release the parking brake. The lights are still switched on when you leave the vehicle.
Coupé:
X
Turn the light switch to 0027or0066.
or
X If the rear foglamp is switched on: press the light switch in to
the stop.
Cabriolet:
X Turn the light switch to 0066. G
Risk of injury
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 76).You hear
acontinuous
tone. You have switched the engine off, opened the driver's door and
released the seat belt, or opened the bonnet,w
ith the HOLD func-
tion or Distronic Plus* activated.
X Deactivat ethe HOLD function (Y page 135).
or
X Deactivat eDistronic Plus* (Y page 131). Troubleshooting
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Problem Possible causes/consequences and
0050
0050Solutions You hear
awarning
tone. The red distance warning lamp*
00BAlights up while the vehicle
is in motion.
X Observe the explanations for the distance warning lamp*
(Y page 232). Accident
Problem Possible causes/consequences and
0050 0050Solutions Fuel is leaking from the
vehicle.
G
Risk of fire
The fuel line or the fuel tank has been damaged. The leaking fuel
creates arisk 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 arisk of fire or explosion.
X Consult aqualified specialist workshop. You are unable to
determine the extentof
the damage.
X
Consult aqualified specialist workshop. You cannot detect any
damage.
X
Start the engine as normal. The active bonnet func-
tion (pedestrian protec-
tion) has been trig-
gered. Your vehicle has been involved in
afrontal collision.
X Reset the triggered active bonnet (pedestrian protection)
(Y page 256). The NECK-PRO head
restraint
sonthe driv-
er's and front-
passenger seats have
been triggered. Your vehicle has been involved in
arear-end collision.
X Reset the NECK-PRO head restraint s(Ypage 257). 238
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Seat belt
Problem Possible causes/consequences and
0050
0050Solutions The seat-belt extender
is unable to be retrac-
ted.
G
Risk of injury
The seat-belt extender is defective.
X Push back the seat-belt extender with force.
X Have the seat-belt extender checked at aqualified specialist
workshop.
If the seat-belt extender is unable to be pushed back:
X Do not drive on.
X Consult aqualified specialist workshop. Fuel and fuel tank
Problem Possible causes/consequences and
0050 0050Solutions 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 0(Y page 65) in the ignition lock imme-
diately and remove it.
X Do not restart the engine under any circumstances.
X Consult aqualified specialist workshop. The fuel filler flap can-
not be opened. The fuel filler flap is not released.
Or:
The key batteries are discharged.
X
Unlock the vehicle (Y page 249).
Or:
X Unlock the vehicle using the emergency key element
(Y page 249). The fuel filler flap is released, but the opening mechanism is jam-
med.
X
Consult aqualified specialist workshop. Troubleshooting
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Problem Possible causes/consequences and
0050
0050Solutions The fuel tank in
avehi-
cle with adiesel engine
has been run com-
pletely dry and the
engine will not start. There is air in the fuel system.
X
Refuel the vehicle (at least 5litres).
X Turn the ignition on for at least 10 seconds. Turn the key to
position 2(Y page 65) in the ignition lock.
X Start the engine continuously for up to 10 seconds until it runs
smoothly.
Or:
X Start the engine via the touch-start function. To do this, turn the
key to position 3(Y page 65) in the ignition lock and then release
it immediately.
The fuel system is now free of air.
If the engine does not start:
X Turn the ignition on again for at least 10 seconds. Turn the key
to position 2(Y page 65) in the ignition lock.
X Start the engine again continuously for up to 10 seconds until
it runs smoothly.
Or:
X Start the engine again via the touch-start function.
If the engine does not start after three attempts:
X Consult aqualified specialist workshop. 240
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Engine
Problem Possible causes/consequences and
0050
0050Solutions The engin
ewill not
start. The HOLD function or Distronic Plus* is activated.
X
Switch off HOLD (Y page 136) or Distronic Plus (Y page 131).
X Try to start th eenginea gain. The engin
ewill not
start .You can hear the
starter motor operat-
ing. R
Ther eisam alfunctio nintheengin eelectronics.
R Ther eisam alfunctio ninthefuel supply.
R The on-board voltage is to olow because th estarter battery is
to ow eak or discharged.
X Before th enexts tart attempt ,tur nt he keyb ack to position 0
(Y page 65 )intheignition loc korpressthe Start/Sto pbut-
ton* until all th eindicator light sintheinstrumen tcluste rhave
gon eout.
X Try to start th eenginea gain (Y page 98). When doin gso,
remembe rtha te xcessively lon gand frequen tattempt stostart
th ee nginew ill drain th ebattery.
If th eengined oes no tstart after several attempts:
X Consult aqualifie dspecialist workshop. The engin
ewill not
start .You can hear the
starter motor operat-
ing .The reserv efuel
warning lamp is on and
th ef uel gauge
shows 0. The fuel tan
khas been run dry.
X Refuel th evehicle. The engin
ewill not
start .You canno thear
th es tarter motor. The on-board voltage is to
olow because th estarter battery is too
weak or discharged.
X Jump-start th evehicle (Y page 276).
If th eengined oes no tstart despite attempting to jump-star tit:
X Consult aqualifie dspecialist workshop. The starter motor was exposed to
athe rmal load that was to ohigh.
X Allo wthe starter motor to coo ldown for approximately two
minutes.
X Try to start th eenginea gain.
If th eengines till does no tstart:
X Consult aqualifie dspecialist workshop. Troubleshooting
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Problem Possible causes/consequences and
0050
0050Solutions Vehicles with
apetrol
engine:
The engine is not run-
ning smoothly and is
misfiring. There is
amalfunction in the engine electronics or amechanical
componentoft he engine control unit.
X Only depress the accelerator pedal slightly.
X Have the cause rectified immediately at aqualified specialist
workshop.
Otherwise, non-combusted fuel may get into the catalytic con-
verter and damage it. The coolant tempera-
ture gauge shows a
value above 120 †.
The coolant warning
lamp may also light up
and awarning tone may
sound (Y page 107). The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.
X
Stop as soon as possible and allow the engine and the coolant
to cool down.
X Check the coolant level (Y page 183). Observe the warning
notes as you do so and top up the coolant if necessary. If the coolant level is correct,t
he radiator fan may be faulty. The
coolant is too hot and the engine is no longer being cooled suffi-
ciently.
X If the coolant temperature is less than 120 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving on
mountain roads and stop/start driving. 242
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Automati
ctransmission* Problem Possible causes/consequences and
0050
0050Solutions The transmission has
problem
sshifting gear. The transmission is losing oil.
X
Hav ethe transmission checke dataqualified specialist work-
sho pimmediately. The acceleration ability
is deteriorating.
The transmission no
longer changes gear. The transmission is in emergenc
ymode.
It is only possible to shif tinto second gear and revers egear.
X Stop th evehicle.
X Mov ethe transmission to position P.
X Turn th ekeyin th eignition to position 0(Y page 65 )orpress
th eS tart/Sto pbutton* repeatedly until all indicator lamp sin
th ei nstrumen tcluste rgoo ut.
X Wait at least 10 seconds before restarting th eengine.
X Mov ethe transmission to position Dor R.
If D is selected, th etransmission shifts into secondgear;ifRis
selected, th etransmission shifts int orevers egear.
X Hav ethe transmission checke dataqualified specialist work-
sho pimmediately. PARKTRONIC*
Problem Possible causes/consequences and
0050 0050Solutions Only th
ered segments
in th ePARKTRONIC
warning display are lit.
You also hear awarning
tone for approximately
two seconds.
PARKTRONI Cisdeacti-
vated after approx-
imately 20 seconds and
th ei ndicator lamp in
th eP ARKTRONI Cbut-
to nl ights up. PARKTRONI
Chas malfunctioned and has switched itself off.
X If problem spersist, hav ePARKTRONI Cchecked ataq ualified
specialist workshop. Only th
ered segments
in th ePARKTRONIC
warning display are lit.
PARKTRONI Cisdeacti-
vated after approx-
imately 20 seconds. The PARKTRONI
Csensor sare dirt yorthere is interference.
X Clean th ePARKTRONI Csensor s(Ypage 202).
X Switc hthe ignition bac kon. Troubleshooting
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Problem Possible causes/consequences and
0050
0050Solutions You can no longer lock
or unlock the vehicle
using KEYLESS GO*.
KEYLESS GO* is in standby mode because the vehicle has not
been unlocked for an extended period.
X
Pull the door handle and then turn the key to position 2in the
ignition lock. KEYLESS-GO* is malfunctioning.
X
Lock/unlock the vehicle using the remote control function of
the key. Point the tip of the key at the driver's door handle from
close range and press the 0036/0037button.
X Have the key checked at aqualified specialist workshop. There is interference from
apowerful source of radio waves.
X Lock/unlock the vehicle as described in the "Opening and clos-
ing in an emergency" section (Y page 249).You have lost
akey. X
Have the key cancelled at aMercedes-Benz Service Centre.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. You have lost the emer-
gency key element.
X
Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. The key cannot be
turned in the ignition
lock. The key has been in position
0for aconsiderable time.
X Remove the key and reinsert it into the ignition lock.
X Check the starter battery and charge it if necessary
(Y page 273).
X Start the engine. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating* or inte-
rior lighting, and try to turn the key again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 273).
or
X Jump-start the vehicle (Y page 276).
or
X Consult aqualified specialist workshop. 248
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X
Insert the emergency key element into the
lock of the driver's door as far as it willg o.
X Turn the emergency key element anti-
clockwise to position 004A.
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. Locking the vehicle
X Open the driver's door.
X Close the front-passenger door and the
boot lid.
X Press the locking button (Y page 64).
X Check whether the locking knob on the
front-passenger door is still visible. Press
down the locking knob manually,ifn eces-
sary.
X Close the driver's door.
X Remove the emergency key element from
the key (Y page 249). X
Insert the emergency key element into the
lock of the driver's door as far as it willg o.
X Turn the emergency key element clockwise
as far as it willgotop osition004A.
i On right-hand-drive vehicles, turn the
emergency key element anti-clockwise.
X Turn the emergency key element back and
remove it.
X Check whether the doors and the boot lid
are locked. Closing the soft top manually (Cabrio-
let)
If the soft top cannot be closed automatically,
check the following points:
R Is the boot separator engaged
(Y page 160)?
R Is the skibag cover* closed (Y page 160)?
R Are the head restraints on the rear bench
seats extended?
R Is the boot lid closed?
R Is the on-board voltage sufficient?
Start the engine if necessary.
If automatic operation still does not work, the
soft top can be closed manually.
This work must be performed by two persons.
i Closing the soft top manually is acom-
plex, technically demanding process which
requires agreat deal of force. Close the soft
top manually only in extreme emergencies. 250
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in cloth) fro
mthe right-han dedge, pulling
it up and out.
X Press release button 0047down and simul-
taneously mov ethe selector lever out of
position P.
The selector lever can now be moved freely
until it is returne dtoposition P. Resetting th
eactive bonnet (pedes-
trian protection) after triggering
i The active bonnet is only available in cer-
tain countries. Example: Coupé
The bonnet is raised at the back by approx-
imately 50 mm when active bonnet
0046is trig-
gered. Covers 0047are the nnolonger on hous-
ing 008A.
You can reset atriggere dbonnet yourself.
! Do not tr ytop ress down the raised bon-
net at the back .Otherwise, the bonnet
could be damaged.
You can continue drivin gwithatriggered
active bonnet and have it reset at aqualified
specialist workshop. If you pull the bonnet
release lever ,you must reset the bonnet
befor eyou continue driving. Resetting
G
Risk of accident
If you pull the bonnet release lever and then
neglect to reset the bonnet, it will not lock at
the front when closed. The bonnet can then
open when the vehicle is in motion and
obscure your field of vision .Ifyou pull the
bonnet release lever ,you must reset the bon-
net befor edrivin gon. G
Risk of injury
There is arisk of injury if the bonnet is open,
even if the engine is not running.
Som eengine component scan become very
hot.
To avoid the risk of burns, only touc hthose
component sdescribed in the Owner's Manual
and observe the relevant safet ynotes.
X Open the bonnet (Y page 180). Example: Coupé
X
Swin gthe bonnet up in centre 0086with both
hands ,until the covers of bot hbonnet
actuators 0047no longer move.
Significant resistance can be felt when the
covers are pressed back down.
X Release bonnet 0046.
X Make sure that bonnet actuator cov-
ers 0047lie flat against housing 008A(arrow). 256
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