Page 239 of 393

238 OperationMaintenance and servicing
4
ASSYST, the A
ctive S
ervice Syst
em, in-
forms you when the next service is due.
A service that is due is displayed about a
month or 1900 miles (3000 km) in ad-
vance. A message is then displayed while
the vehicle is in motion or the ignition is
switched on.
Service due date display
Vehicles with steering wheel buttons
The following messages may be displayed:
\49
Service A in .. days
\49
Service A in .. miles
(km)
\49
Service A due now
The letters
A or
B indicate the type of ser-
vice that is due.
Warning
G
If handled incorrectly, service products can
constitute a health risk for people and an en-
vironmental hazard.
Always observe relevant guidelines for han-
dling, storing and disposing of service prod-
ucts.
Active Service System (ASSYST)*!
CAUTION
Periods when the battery is disconnect-
ed will not be recorded by ASSYST. To
make sure that you have the vehicle
serviced at the correct time, you should
therefore subtract periods when the
battery is disconnected from the days
shown.
The service indicator does not provide
information about the engine oil level.
The service indicator should not, there-
fore, be confused with theP engine
oil level display.
iThe service due date is displayed in
days or kilometers, depending on the
total distance driven.
The time between the individual service
due dates depends on your style of
driving. You can increase this by:
\4driving with care and at a moderate
engine speed
\4avoiding short journeys where the
engine does not reach the operat-
ing temperature
Page 250 of 393
249
5 Practical hints
What to do if ... ......... 250
Display messages ......... 281
Where will I find...? ......... 299
Changing bulbs ......... 306
Changing the batteries ......... 315
Fuel system ......... 317
Replacing the wiper blades ......... 319
Flat tire ......... 320
Battery ......... 335
Jump-starting ......... 340
Towing ......... 342
Fuses ......... 345
Page 255 of 393
254 Practical hintsWhat to do if ...
5
The engine does not start.
You cannot hear the starter motor working.
The on-board voltage is too low (the battery
has too little charge or is discharged).
The selector lever is not in positionP orN.
\1The engine may be jump-started
(\2page 340).
If the engine does not start despite jump-
starting:
\1Consult
an authorized Sprinter Dealer
.
The battery isolating switch is disconnected.
\1Switch on the electrical system
(\2page 197).
Vehicles with a gasoline engine:
The engine is not running smoothly and it is
misfiring.
The engine electronics or a mechanical com-
ponent of the engine control has malfunc-
tioned.
\1Do not use too much throttle.
\1Have the cause rectified immediately
at
an authorized Sprinter Dealer
.
Otherwise, unburned fuel may get into
the catalytic converter and damage it.
Problem
Possible cause / result
Suggested solutions
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260 Practical hintsWhat to do if ...
5
It is no longer possible to lock or unlock the
vehicle using the remote control.
The remote control batteries are weak or dis-
charged.
\1Point the remote control towards the
driver’s door handle at close range
and try again.
If this does not work:
\1Lock or unlock the vehicle using the
key (\2page 54).
\1Check the batteries of the remote
control (\2page 53). Change the
batteries if necessary (\2page 315).
The remote control is malfunctioning.
\1Lock or unlock the vehicle using the
key (\2page 54).
\1Have the remote control checked at
an authorized Sprinter Dealer.
The battery check lamp on the remote con-
trol does not light up briefly when a button
is pressed.
The remote control batteries are discharged.
\1Change the batteries (\2page 315).
You have lost a remote control.
\1Have the remote control canceled at
an authorized Sprinter Dealer.
\1Report the loss immediately to the
vehicle insurers.
Your authorized Sprinter Dealer will be
happy to obtain a replacement for you.
Problem
Possible cause / result
Suggested solutions
Page 262 of 393
261 Practical hints
What to do if ...
5
The key can no longer be turned in the igni-
tion lock.
The on-board voltage is too low.
\1Remove the key and re-insert it into
the ignition lock.
\1Switch off all non-essential consum-
ers, for example the seat heating, in-
terior lighting, and try to turn the key
again.
If this does not work:
\1Check the starter battery and charge
it if necessary.
or
\1The engine may be jump-started
(\2page 340).
or
\1Consult an authorized Sprinter
Dealer.
Problem
Possible cause / result
Suggested solutions
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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
What to do if ...
5
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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269 Practical hints
What to do if ...
5
#
-
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