2008 MERCEDES-BENZ ML SUV engine

Display
messages 279Display messages Possible cause/consequence Possible solution
. Reversing lamp,
left
or
Reversing lamp,
right The left-hand or right-hand reversing lamp
is faulty. X
Replace the bulb (Y page 312). . Left-hand tail
lamp
or
Right-hand tail
lamp The left-hand or right-hand tail lamp is
faulty.
For vehicles with LED tail lamps*: this
message only appears when all LEDs have
failed. X
Tail lamp with a bulb: change the bulb
(Y page 312).
X Tail lamp with LEDs*: contact a qualified spe-
cialist workshop. ò Replace air
cleaner element The engine air filter must be replaced. X
Visit a qualified specialist workshop. N Check engine oil
level when next
refuelling The engine oil level has dropped to a crit-
ical level. X
Check the engine oil level (Y page 220) and top
up the engine oil if necessary.
X Have the engine checked for leaks if the engine
oil needs topping up more often than usual. N Add 1 litre engine
oil when next refu-
elling The engine oil level is too low
31
. X
Check the engine oil level (Y page 220) and top
up the engine oil if necessary.
X Have the engine checked for leaks if the engine
oil needs topping up more often than usual. 31
Only for certain countries. Practical advi
ce
* optional
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Display
messages 280 Display messages Possible cause/consequence Possible solution
N Engine oil level
Stop car, turn
engine off There is insufficient oil in the engine.
There is a danger of engine damage. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Switch off the engine.
X Top up the engine oil and check the level
(Y page 220). N Engine oil level
Reduce oil level
You have added too much engine oil.
31
There is a risk of damaging the engine or
catalytic converter. X
Siphon off excess engine oil until it is at the
specified level. Observe the legal require-
ments. N Engine oil level
Consult workshop The engine oil level has dropped to a crit-
ical level or the measuring system is mal-
functioning.
32 X
Check the engine oil level (Y page 220).
If the engine oil level is OK:
X Visit a qualified specialist workshop.
If the engine oil level is not OK:
X Top up the engine oil.
X If the warning message disappears: consult a
qualified specialist workshop.
X If the warning message does not disappear: do
not drive on. Consult the nearest qualified spe-
cialist workshop. N Engine oil level
cannot be measured The measuring system is malfunctioning.
32 X
Visit a qualified specialist workshop. 31
Only for certain countries.
32 Only for certain vehicles. Practical advi
ce
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Display
messages 282 Display messages Possible cause/consequence Possible solution
I Key does not belong
to vehicle You have put the wrong key in the ignition
lock. X
Use the correct key. I Key not detected
The KEYLESS GO* key is not in the vehicle.
If the engine is switched off, the vehicle
can no longer be locked centrally and the
engine cannot be started. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Look for the KEYLESS GO *key. I Key not detected
The KEYLESS GO* key is not detected
while the engine is running, due to radio
interference. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Operate the vehicle using the key in the ignition
lock if necessary. I Key not detected
The KEYLESS GO* key cannot be detec-
ted. X
Change the location of the KEYLESS GO key*
within the vehicle.
X Operate the vehicle using the key in the ignition
lock if necessary. I Key detected in
vehicle
The KEYLESS GO key* has been detected
in the vehicle during locking. X
Remove the KEYLESS GO key* from the vehi-
cle. I You need a new key The key no longer functions. X
Visit a qualified specialist workshop. I Pull starting but-
ton out then insert
key Continuously unable to detect the KEY-
LESS GO key*. X
Operate your vehicle using the KEYLESS GO*
key in the ignition lock.
X Visit a qualified specialist workshop. Practical advice
* optional
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Display
messages 283Display messages Possible cause/consequence Possible solution
X inoperative Bat-
tery weak The battery voltage is insufficient. The
auxiliary heating/ventilation* has
switched off or cannot be switched on. X
Drive for a longer distance.
The battery is being charged. The auxiliary
heating/ventilation* is reactivated as soon as
there is sufficient battery voltage. X inoperative Refuel There is insufficient fuel in the fuel tank.
The auxiliary heating* cannot be switched
on. X
Refuel at the nearest filling station. X inoperative See
Owner's Manual The auxiliary heating* has a temporary
malfunction or is faulty. X
When the vehicle is on a level surface and the
engine has cooled down: try to switch on the
auxiliary heating* four times, waiting for sev-
eral minutes between each attempt.
X If the auxiliary heating* does not switch on:
visit a qualified specialist workshop. ¿ There is only a small amount of fuel in the
fuel tank. X
Refuel at the nearest filling station. 4 Reserve fuel The fuel level has fallen below the reserve
range. The operation of the auxiliary heat-
ing* can no longer be guaranteed. X
Refuel at the nearest filling station. t Please enter PIN You have not yet logged on to your mobile
phone*. X
Enter the PIN for the SIM card. Practical advi
ce
* optional
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Troubleshooting
288 Indicator and warning lamps in the instrument cluster
Problem Possible cause/consequence Suggested solutions
-
The yellow ABS warning
lamp comes on while the
engine is running. G
Risk of accident
ABS has been deactivated due to
a malfunction. Therefore, Brake
Assist, ESP ®
and PRE-SAFE ®
are,
for example, also deactivated.
The brake system continues to
function normally, but without
electronic support. The wheels
could therefore lock if you brake
hard, for example. X
Drive on carefully.
X Observe the additional messages in the multi-function display
(Y page 259).
X Visit a qualified specialist workshop as soon as possible. -
The yellow ABS warning
lamp comes on while the
engine is running. G
Risk of accident
ABS has been deactivated due to
undervoltage. It is possible that
the battery is not being charged.
Therefore, the following systems
are, for example, also deactiva-
ted: Brake Assist, ESP ®
, BAS and
PRE-SAFE ®
.
The brake system continues to
function normally, but without
electronic support. The wheels
could therefore lock if you brake
hard, for example. X
Switch off consumers that are not required, e.g. reading lamps,
interior lighting, etc.
ABS will be available again as soon as the vehicle's electrical sys-
tem voltage increases. Practical advice
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Troubleshooting
289Problem Possible cause/consequence Suggested solutions
v
3
-
The yellow ESP
®
warning
lamp, the red brake sys-
tem warning lamp and the
yellow ABS warning lamp
light up while the engine is
running. You will also hear
a warning tone. G
Risk of accident
The electronic brake force distri-
bution (EBV) is faulty. Therefore,
ABS, Brake Assist, ESP ®
and PRE-
SAFE ®
are, for example, no lon-
ger available. The brake system
continues to function normally,
but without electronic support.
The wheels could therefore lock
if you brake hard, for example. X
Drive on carefully.
X Visit a qualified specialist workshop. v
The yellow ESP ®
warning
lamp flashes while the
vehicle is in motion. G
Risk of accident
ESP ®
, ABS or traction control has
intervened because at least one
wheel has reached its grip limit
and is threatening to spin or lock.
Cruise control or Distronic* is
deactivated. X
Only depress the accelerator pedal as far as necessary when pull-
ing away.
X Release the accelerator pedal while you are driving.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
Exceptions: ( Ypage 59). v
The yellow ESP ®
warning
lamp is lit while the engine
is running. G
Risk of accident
ESP ®
is deactivated. ESP ®
will
not stabilise the vehicle if it starts
to skid or if a wheel starts to spin. X
Reactivate ESP ®
.
Exceptions: ( Ypage 59).
X Adapt your driving style to suit the road and weather conditions. Practical advice
* optional
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Troubleshooting
290 Problem Possible cause/consequence Suggested solutions
v
The yellow ESP ®
warning
lamp is lit while the engine
is running. In addition, a
message appears in the
multi-function display. G
Risk of accident
ESP ®
is unavailable due to a mal-
function. ESP ®
will not stabilise
the vehicle if it starts to skid or if
a wheel starts to spin. X
Observe the additional messages in the multi-function display
(Y page 259).
X Drive on carefully.
X Visit a qualified specialist workshop. 1
The red SRS warning lamp
is lit while the engine is
running. G
Risk of injury
The restraint systems are faulty.
The airbags or belt tensioners
may either be triggered uninten-
tionally or, in the event of an acci-
dent, not be triggered at all. X
Visit a qualified specialist workshop immediately. 3
The red brake system
warning lamp comes on
while you are driving. You
will also hear a warning
tone. You are driving with the parking
brake applied. X
Release the parking brake.
The warning lamp goes out and the warning tone ceases. 3
The red brake system
warning lamp comes on
while the engine is run-
ning. You will also hear a
warning tone. G
Risk of accident
There is insufficient brake fluid in
the fluid reservoir. X
Do not continue driving under any circumstances.
X Consult a qualified specialist workshop immediately.
X Observe the additional messages in the multi-function display
(Y page 259).
X Under no circumstances should you top up the brake fluid. This will
not rectify the fault. Practical advice
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Troubleshooting
291Problem Possible cause/consequence Suggested solutions
±
The yellow engine diagnos-
tics warning lamp comes
on while the engine is run-
ning. Vehicles with a diesel engine: the
fuel tank has run dry. X
Start the engine three to four times after refuelling.
Emergency running mode is cancelled. The vehicle need not be
checked. ±
The yellow engine diagnos-
tics warning lamp comes
on while the engine is run-
ning. There may be a malfunction:
R
in the fuel injection system
R in the exhaust system
R in the ignition system (on vehi-
cles with a petrol engine)
The emission limit values may be
exceeded and the engine may be
running in emergency mode. X
Have the vehicle checked as soon as possible at a qualified spe-
cialist workshop. H
The yellow tyre pressure
monitor* warning lamp is
on. G
Risk of accident
The tyre pressure monitor* has
detected a sudden or significant
pressure loss in at least one of
the tyres. X
Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditions as you do so.
X Observe the additional messages in the multi-function display
(Y page 259).
The warning light will go out after the flat tyre has been changed
and you have been driving for a few minutes. <
The red seat belt warning
lamp lights up for 6 sec-
onds after the engine
starts up 33
. The seat belt warning lamp
reminds the driver and front
passenger to fasten their seat
belts. X
Fasten your seat belt (Y page 89).33
Only for certain vehicles. Practical advice
* optional
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