warning MERCEDES-BENZ R-CLASS MPV 2008 Repair Manual
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2008, Model line: R-CLASS MPV, Model: MERCEDES-BENZ R-CLASS MPV 2008Pages: 373, PDF Size: 6.75 MB
Page 262 of 373
Display
messages 259Display messages Possible cause/consequence Possible solution
ESP unavailable See
Owner's Manual G
Risk of accident
ESP ®
and therefore also BAS and PRE-
SAFE ®
are unavailable due to undervolt-
age.
The brake system continues to function
normally, but without the functions listed
above. X
Drive on carefully.
X Visit a qualified specialist workshop immedi-
ately. ESP unavailable See
Owner's Manual If, when driving, this message appears and
the
v warning lamp flashes, this
means that 4ETS has been deactivated.
This prevents the brakes on the drive
wheels overheating. As soon as the brakes have cooled down again,
4ETS will be reactivated automatically.
The display message disappears and the v
warning lamp goes out. ESP inoperative See
Owner's Manual G
Risk of accident
ESP ®
and therefore also Brake Assist and
PRE-SAFE ®
are unavailable due to a mal-
function. The vwarning lamp also
lights up in the instrument cluster.
The brake system continues to function
normally, but without the functions listed
above. X
Drive on carefully.
X Visit a qualified specialist workshop immedi-
ately. Select position
P only when vehicle
is at a standstill You have attempted to move the auto-
matic transmission to
Peven though the
vehicle is still moving. X
Stop the vehicle immediately, paying attention
to the traffic conditions as you do so.
X Move the selector lever to P. Practical advi
ce
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Page 266 of 373
Display
messages 263Display messages Possible cause/consequence Possible solution
Tyre pressure Check tyres
G
Risk of accident
The tyre pressure loss warning system has
detected a significant pressure loss. X
Stop the vehicle without making any sudden
steering or braking manoeuvres. Pay attention
to the traffic conditions as you do so.
X Check the tyres.
X Check the tyre pressure and correct it if nec-
essary (Y page 226).
X Repair or change the faulty wheel as neces-
sary (Y page 313).
X Then restart the tyre pressure loss warning
system once the tyre pressure is correct
(Y page 227). Check tyres, then restart Run
Flat Indicator There was a tyre pressure warning mes-
sage. X
Make sure that the pressure set is correct for
all tyres (Y page 226).
X Restart the tyre pressure loss warning sys-
tem (Y page 228). Run Flat Indi-
cator inoperative The tyre pressure loss warning system is
deactivated due to a malfunction. X
Visit a qualified specialist workshop. Please correct tyre pressures
Vehicles with tyre pressure monitor*:
The pressure is insufficient in one or more
tyres, or the pressures of the individual
tyres differ significantly. X
Check the tyre pressure at the next opportunity
and correct it if necessary ( Ypage 226). Cruise control
and SPEEDTRONIC inoperative Speedtronic and cruise control are
unavailable. X
Visit a qualified specialist workshop. Practical advi
ce
* optional
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Page 273 of 373
Display
messages 270 Display messages Possible cause/consequence Possible solution
B Top up coolant See
Owner's Manual The coolant level is too low. X
Top up the coolant, observing the warning
notes before doing so (Y page 223).
X Have the coolant system checked at a qualified
specialist workshop if the coolant needs top-
ping up more often than usual. . Left-hand Corner-
ing light
or
Right-hand Corner-
ing light The left-hand and/or right-hand cornering
lamp* is faulty. X
Replace the bulb (Y page 306).. Left-hand dipped
beam
or
Right-hand dipped
beam The right-hand or left-hand dipped-beam
headlamp is faulty. X
Halogen headlamp: replace the bulb
(Y page 306).
X Bi-xenon headlamp*: visit a qualified special-
ist workshop. . AUTO lights inop-
erative The light sensor is faulty. Constant head-
lamp mode is switched on. X
Switch the lights to manual control in the on-
board computer (Y page 132).
X Switch the lights on and off using the light
switch. . Trailer Left-hand
turn signal
or
Trailer Right-hand
turn signal There is a malfunction in the left- or right-
hand windowbag. X
Replace the bulb. Practical advi
ce
* optional
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Page 277 of 373
Display
messages 274 Display messages Possible cause/consequence Possible solution
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 222) 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 Engine oil level
Consult workshop The engine oil level has dropped to a crit-
ical level or the measuring system is mal-
functioning.
33 X
Check the engine oil level (Y page 222).
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. H Tyre pressure Cau-
tion, tyre defect
G
Risk of accident
At least one tyre is rapidly deflating. The
affected wheel is highlighted in the tyre
pressure display of the tyre pressure mon-
itor*. X
Stop the vehicle without making any sudden
steering or braking manoeuvres. Pay attention
to the traffic conditions as you do so.
X Repair or change the tyre (Y page 313).33
Only for certain vehicles. Practical advi
ce
* optional
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Page 278 of 373
Display
messages 275Display messages Possible cause/consequence Possible solution
H Tyre pressure
Check tyres G
Risk of accident
The pressure in one or more tyres has
dropped significantly. The affected wheel
is highlighted in the tyre pressure display
of the tyre pressure monitor*. X
Stop the vehicle without making any sudden
steering or braking manoeuvres. Pay attention
to the traffic conditions as you do so.
X Check the tyres.
X Repair or change the faulty tyre if necessary
(Y page 313).
X Check the tyre pressure and correct it if nec-
essary (Y page 226).
The warning will disappear automatically after
you have been driving for a few minutes with
the corrected tyre pressure. H Please correct
tyre pressure(s) Vehicles with a tyre pressure monitor*:
the pressure of at least one tyre is too low
or there is a significant discrepancy
between the tyre pressures of the individ-
ual wheels. X
Check the tyre pressure at the next opportunity
and correct it if necessary ( Ypage 226). I Change key batter-
ies The KEYLESS GO* key batteries are dis-
charged. X
Change the batteries (Y page 305).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. Practical advice
* optional
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Page 281 of 373
Troubleshooting
278 Troubleshooting
Points to remember
G
Risk of accident and injury
The operating safety of your vehicle could be compromised if service work is carried out improperly. You could lose control of the vehicle,
thereby causing an accident. Safety systems may also not be able to protect you or others as intended.
Always have maintenance work carried out at a qualified specialist workshop which has the necessary specialist knowledge and tools to
carry out the work required.
Mercedes-Benz recommends that you use a Mercedes-Benz Service Centre for this purpose.
In particular, work relevant to safety or on safety-related systems must be carried out at a qualified specialist workshop. Indicator and warning lamps in switches and buttons
Problem Possible cause/consequence Suggested solutions
One or all of the indicator lamps
in the seat ventilation* button are
flashing. There is insufficient voltage
because too many consumers are
switched on. The seat ventila-
tion* has switched itself off auto-
matically. X
Switch off consumers that are not required, e.g. reading lamps,
interior lighting, etc.
The seat ventilation* will automatically switch back on as soon as
there is sufficient voltage again. One or all of the indicator lamps
in the seat heating* button are
flashing. There is insufficient voltage
because too many consumers are
switched on. The seat heating*
has switched itself off automati-
cally. X
Switch off consumers that are not required, e.g. reading lamps,
interior lighting, etc.
The seat heating* will automatically switch back on as soon as
there is sufficient voltage again. Practical advice
* optional
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Page 282 of 373
Troubleshooting
279Problem Possible cause/consequence Suggested solutions
The steering wheel heating* indi-
cator lamp on the lower left lever
of the steering column is flashing. There is insufficient voltage
because too many consumers are
switched on. The steering wheel
heating* has switched itself off
automatically. X
Switch off consumers that are not required, e.g. reading lamps,
interior lighting, etc.
The steering wheel heating* will automatically switch back on as
soon as there is sufficient voltage again. The indicator lamp in the
9
button on the 2-zone Thermatic/
multi-zone Thermotronic* con-
trol panel is lit. The cooling sys-
tem cannot be switched on. Cooling has been deactivated
due to a malfunction. X
Visit a qualified specialist workshop. The indicator lamp in the
1
rear-window heating button is
flashing. The rear-window heat-
ing has switched itself off prema-
turely or cannot be switched on. There is insufficient voltage
because too many consumers are
switched on. X
Switch off consumers that are not required, e.g. reading lamps,
interior lighting, etc.
The rear-window heating will automatically switch back on as soon
as there is sufficient voltage again. Vehicles with automatic child
seat recognition on the front-
passenger seat:
The 5 PASSENGER AIRBAG
OFF warning lamp on the centre
console is lit. A special Mercedes-Benz child
seat with automatic child seat
recognition has been fitted to the
front-passenger seat. The front-
passenger airbag has therefore
been disabled. Practical advice
* optional
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Troubleshooting
280 Problem Possible cause/consequence Suggested solutions
Vehicles with automatic child
seat recognition on the front-
passenger seat:
The
5 PASSENGER AIRBAG
OFF warning lamp on the centre
console is lit. G
Risk of injury
There is no child seat fitted to the
front-passenger seat. The auto-
matic child seat recognition is
malfunctioning. X
Remove electronic equipment from the front-passenger seat, e.g.:
R
notebook
R mobile phone
R cards with transponders, e.g. ski passes or access passes
If the 5 PASSENGER AIRBAG OFF warning lamp is still lit:
X Visit a qualified specialist workshop. Practical advice
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Page 284 of 373
Troubleshooting
281Indicator 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 255).
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
282 Problem 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 61). 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 61).
X Adapt your driving style to suit the road and weather conditions. Practical advice
* optional
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