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264 Practical hintsWhat to do if ...
5
Auxiliary heating*Warning
G
Always have maintenance work carried out
at an authorized Sprinter Dealer which has
the necessary specialist knowledge and
tools to carry out the work required.
The manufacturer recommends that you use
an authorized Sprinter Dealer for this pur-
pose. In particular, work relevant to safety
or on safety-related systems must be
carried out at an authorized Sprinter Dealer.
If this work is carried out incorrectly, the op-
erating safety of the heater can no longer be
guaranteed and there is a risk of accident
and injury.
Problem
Possible cause / result
Suggested solutions
The battery check lamp on the remote con-
trol for the auxiliary heating does not light
up briefly when a button is pressed.
The remote control batteries are discharged.
\1Change the remote control batteries
(\2page 316).
The auxiliary heating does not switch on or
the engine does not start.
Lack of fuel.
The fuel tank is less than a quarter full. The
auxiliary heating switches off automatically.
\1Refuel at the nearest refueling sta-
tion.
\1Then start the auxiliary heating re-
peatedly until the fuel lines are full.
The undervoltage protection circuit integrat-
ed in the control unit switches off the auxilia-
ry heating because the on-board voltage is
less than 10 V.
\1If necessary, have the alternator and
the battery checked.
The fuse has blown.
\1Replace the fuse (\2page 345).
\1Have the cause of the blown fuse
checked at an authorized Sprinter
Dealer.
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265 Practical hints
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The auxiliary heating does not switch on or
the engine does not start
WARNING
G
The auxiliary heating has overheated about
ten times in succession.
The engine or heater is malfunctioning.
\1Have the auxiliary heating checked at
an authorized Sprinter Dealer.
The heater has overheated.
The coolant level is too low.
\1Check the coolant level and add cool-
ant if necessary (\2page 191).
Problem
Possible cause / result
Suggested solutions
Leaving the vehicle in storageWarning
G
Always have maintenance work carried out
at an authorized Sprinter Dealer which has
the necessary specialist knowledge and
tools to carry out the work required.
The manufacturer recommends that you use
an authorized Sprinter Dealer for this pur-
pose.
In particular, work relevant to safety or on
safety-related systems must be carried out
at an authorized Sprinter Dealer. There is a
risk of an accident and injury if this work is
carried out incorrectly.
Problem
Possible cause / result
Suggested solutions
You wish to leave your vehicle in storage for
a long period of time (longer than
six weeks).
\1Obtain advice from an authorized
Sprinter Dealer.
\1Disconnect the starter battery
(\2page 335).
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266 Practical hintsWhat to do if ...
5
Indicator and warning lamps in
switchesWarning
G
Always have maintenance work carried out
at an authorized Sprinter Dealer which has
the necessary specialist knowledge and
tools to carry out the work required.
The manufacturer recommends that you use
an authorized Sprinter Dealer for this pur-
pose.
In particular, work relevant to safety or on
safety-related systems must be carried out
at an authorized Sprinter Dealer. There is a
risk of an accident and injury if this work is
carried out incorrectly.
Problem
Possible cause / result
Suggested solutions
One or both of the indicator lamps in the
switch for the seat heating * are flash-
ing.
There is insufficient voltage available as too
many consumers are switched on.
The seat heating has been switched off auto-
matically.
\1Switch off all non-essential consum-
ers, for example the reading lamps,
interior lighting, etc.
The seat heating will switch back on
automatically as soon as there is suf-
ficient voltage again.
The indicator lamps in the switches for the
windshield heating P* and/or rear win-
dow heating F* are flashing.
There is insufficient voltage available as too
many consumers are switched on.
The windshield heating and / or rear window
heating have switched off automatically.
\1Switch off all non-essential consum-
ers, for example the reading lamps,
interior lighting, etc.
If sufficient voltage is available again
within 30 seconds, the windshield
heating and / or rear window heating
switch on again automatically, they
remain switched off.
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267 Practical hints
What to do if ...
5
The residual engine heat utilization func-
tion switches off too soon or cannot be
switched on. The indicator lamp in the°
switch does not light up.
There is insufficient voltage available as too
many consumers are switched on.
\1Switch off all non-essential consum-
ers, for example the reading lamps,
interior lighting, etc.
The residual engine heat utilization
function will switch back on automat-
ically as soon as there is sufficient
voltage again.
Problem
Possible cause / result
Suggested solutions
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268 Practical hintsWhat to do if ...
5
Indicator and warning lamps in the
instrument clusterWarning
G
Always have maintenance work carried out
at an authorized Sprinter Dealer which has
the necessary specialist knowledge and
tools to carry out the work required.
The manufacturer recommends that you use
an authorized Sprinter Dealer for this pur-
pose.
In particular, work relevant to safety or on
safety-related systems must be carried out
at an authorized Sprinter Dealer. There is a
risk of an accident and injury if this work is
carried out incorrectly.
Problem
Possible cause / result
Suggested solutions
v
The yellow ASR/ESP
® warning
lamp flashes while the vehicle is
in motion.
WARNING
G
ESP
® or ASR is intervening because at least
one of the wheels has reached its tire grip
limit.
\1Adapt your driving style to suit the
road and traffic conditions. Do not
use too much throttle.
\1Drive slowly.
The yellow ASR / ESP
® warning
lamp is lit while the engine is run-
ning.
WARNING
G
ASR is deactivated.
\1Reactivate ASR.
Exceptions (\2page 45).
#
-
k
6
The yellow ESP
®, ABS-, ASR/
BAS indicator lamps and the red
brake system indicator lamp are
lit while the engine is running.
WARNING
G
EBV has malfunctioned.
The rear wheels could lock up sooner than
expected when you apply the brakes.
\1Also observe the messages in the dis-
play on vehicles with steering wheel
buttons (\2page 284).
\1Continue driving, but with even great-
er care.
\1Have the system checked at an autho-
rized Sprinter Dealer as soon as pos-
sible.
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269 Practical hints
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#
-
k
6
The yellow ESP
®, ABS, ASR/BAS
indicator lamps and the red
brake system indicator lamp are
lit while the engine is running.
WARNING
G
EBV has been deactivated due to undervolt-
age.
The battery may not be being charged.
The rear wheels could lock up sooner than
expected when you apply the brakes.
\1Also observe the messages in the dis-
play on vehicles with steering wheel
buttons (\2page 284).
\1Stop your vehicle as soon as it is safe
to do so.
\1Do not drive any further.
\1Consult an authorized Sprinter Dealer.
6
The red brake system indicator
lamp is lit while the engine is run-
ning.
A signal also sounds.
WARNING
G
There is insufficient brake fluid in the fluid
reservoir.
\1Also observe the messages in the dis-
play on vehicles with steering wheel
buttons (\2page 284).
\1Do not add brake fluid under any cir-
cumstances. This will not solve the
problem.
\1Do not drive any further.
\1Consult an authorized Sprinter Dealer.
6
When towing a trailer:
The red brake system indicator
lamp is lit while the engine is run-
ning.
A signal also sounds.
WARNING
G
The trailer's brake booster is malfunctioning.
The vehicle's driving and braking characteris-
tics may change. There is a risk of the trailer
overbraking.
\1Also observe the messages in the dis-
play on vehicles with steering wheel
buttons (\2page 284).
\1Stop your vehicle as soon as it is safe
to do so.
\1Do not drive any further.
\1Consult an authorized Sprinter Dealer.
Problem
Possible cause / result
Suggested solutions
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270 Practical hintsWhat to do if ...
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Problem
Possible cause / result
Suggested solutions
k
The yellow ASR / BAS indicator
lamp is lit while the engine is run-
ning.
WARNING
G
ASR has been deactivated due to a malfunc-
tion.
The engine power output may then be low-
er.
\1Continue driving, but with even great-
er care.
\1Have the system checked at an autho-
rized Sprinter Dealer as soon as pos-
sible.
WARNING
G
BAS has been deactivated due to a malfunc-
tion.
The brake system continues to function
with the normal braking effect but with no
electronic support.
\1Continue driving, but with even great-
er care.
\1Have the system checked at an autho-
rized Sprinter Dealer as soon as pos-
sible.
ASR and BAS have been switched off due to
undervoltage.
The battery may not be being charged.
The brake system is still available with the
normal braking effect.
\1Continue driving, but with even great-
er care.
\1Have the system checked at an autho-
rized Sprinter Dealer as soon as pos-
sible.
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271 Practical hints
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5
-
The yellow ABS indicator lamp is
lit while the engine is running.
WARNING
G
ABS has been deactivated due to a malfunc-
tion. ESP
®, ASR and BAS as well as cruise
control have also been deactivated as a re-
sult.
The brake system continues to function
with the normal braking effect but with no
electronic support. The wheels could there-
fore lock up, for example if the brakes are
applied with maximum force.
\1Also observe the messages in the dis-
play on vehicles with steering wheel
buttons (\2page 284).
\1Continue driving, but with even great-
er care.
\1Have the system checked at an autho-
rized Sprinter Dealer as soon as pos-
sible.
WARNING
G
ABS is temporarily unavailable.
Self diagnosis may not have been complet-
ed yet.
The brake system is still available with the
normal braking effect.
\1Drive on for a distance of more than
13 mph (20 km / h).
ABS is available again if the message
goes out.
ABS has been deactivated due to undervolt-
age.
The battery may not be being charged.
The brake system continues to function
with the normal braking effect but with no
electronic support. The wheels could there-
fore lock up, for example if the brakes are
applied with maximum force.
\1Continue driving, but with even great-
er care.
\1Have the system checked at an autho-
rized Sprinter Dealer as soon as pos-
sible.
Problem
Possible cause / result
Suggested solutions