Page 258 of 393
257 Practical hints
What to do if ...
5
Headlamps and turn signalsWarning
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
The headlamps are fogged up on the inside.
Air humidity is very high.
\1Drive with the lights on.
The headlamps will defrost after the
vehicle has been driven a short dis-
tance.
Moisture has penetrated the headlamp hous-
ing since it is not water-tight.
\1Have the headlamps checked at
an au-
thorized Sprinter Dealer
.
Page 273 of 393

272 Practical hintsWhat to do if ...
5
#
The yellow ESP
® indicator lamp is
lit while the engine is running.
WARNING
G
ESP
® has been deactivated due to a mal-
function. Cruise control is also switched off
as a result.
Vehicle stability is no longer automatically
controlled in good time.
Engine power output may be reduced.
\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.
ESP
® has been deactivated due to under-
voltage.
The battery may not be being charged.
Vehicle stability is no longer automatically
controlled in good time.
Engine power output may be reduced.
\1Continue driving, but with even great-
er care.
\1Have the system checked at an autho-
rized Sprinter Dealer as soon as pos-
sible.
1
The red SRS warning lamp does
not go out after approximately 4
seconds after the ignition system
is switched on or lights up again.
WARNING
G
The restraint systems have malfunctioned.
The airbags or emergency tensioning re-
tractors could be triggered unintentionally,
or not at all in the event of an accident.
\1Drive on with even greater care to an
authorized Sprinter Dealer.
Problem
Possible cause / result
Suggested solutions
Page 274 of 393
273 Practical hints
What to do if ...
5
#
The red battery charge warning
lamp lights up while the engine is
running.
WARNING
G
The battery is not being charged. Possible
causes:
\4malfunctioning alternator
\4torn poly-V-belt
\1Stop immediately and check the poly-
V-belt.
If it is torn:
\1Do not drive any further. Consult
the nearest authorized Sprinter
Dealer.
If it is not damaged:
\1Have your vehicle checked at an
authorized Sprinter Dealer.
The battery is malfunctioning.
\1Stop your vehicle as soon as it is safe
to do so.
\1Do not drive any further.
\1Contact a breakdown service, an au-
thorized Sprinter Dealer.
2
The yellow brake pad wear indica-
tor lamp lights up after the engine
is started or while the vehicle is in
motion.
WARNING
G
The brake pads / linings have reached their
wear limit.
\1Have the brake pads / linings replaced
as soon as possible at an authorized
Sprinter Dealer.
Problem
Possible cause / result
Suggested solutions
Page 275 of 393

274 Practical hintsWhat to do if ...
5
:
The yellow engine oil level warning
lamp flashes after the engine is
started or while the vehicle is in
motion.
The engine oil level has dropped to the min-
imum level. If the engine oil level falls any
further, the indicator lamp will light up con-
tinuously.
\1Check the engine oil level and add en-
gine oil at the nearest refueling sta-
tion (\2page 190).
\1If there is visible oil loss from the
engine, have the fault rectified imme-
diately at an authorized Sprinter Deal-
er.
:
The yellow engine oil level warning
lamp lights up, the
-2.0 l
engine
oil level message appears in the
display and the warning buzzer
sounds after the engine is started
or while the vehicle is in motion.
There is insufficient or no oil in the engine.
There is a risk of engine damage.
\1Stop your vehicle as soon as it is safe
to do so.
\1Switch off the engine.
\1Check the engine oil level using the
dipstick (\2page 190).
\1If the oil level is correct, have the mal-
function rectified immediately at an
authorized Sprinter Dealer.
\1If there is insufficient or no oil in the
engine, have the vehicle towed to an
authorized Sprinter Dealer.
Problem
Possible cause / result
Suggested solutions
Page 276 of 393

275 Practical hints
What to do if ...
5
:
The yellow engine oil level warning
lamp lights up, the
HI
engine oil
level message appears in the dis-
play and the warning buzzer
sounds after the engine is started
or while the vehicle is in motion.
The engine oil level has exceeded the maxi-
mum level.
\1Check the engine oil level and have
any excess oil siphoned off at the
nearest refueling station
(\2page 190).
The engine or the catalytic converter
could be damaged.
\1If the oil level is correct, have the mal-
function rectified as soon as possible
at an authorized Sprinter Dealer.
:
The yellow engine oil level warning
lamp lights up repeatedly while
the vehicle is in motion.
The engine oil level indicator is malfunction-
ing.
\1Have the vehicle checked immediate-
ly at an authorized Sprinter Dealer.
/
The yellow coolant level warning
lamp lights up while the engine is
running.
The coolant level is too low.
Never run the engine if the coolant level is
too low.
The engine could overheat and be dam-
aged.
\1Stop at the earliest opportunity.
\1Switch off the engine to cool down.
\1Check the coolant level and add cool-
ant as necessary (\2page 191).
\1If you are having to add coolant fre-
quently, have the cooling system
checked at an authorized Sprinter
Dealer.
Problem
Possible cause / result
Suggested solutions
Page 277 of 393

276 Practical hintsWhat to do if ...
5
•
The red coolant warning lamp
lights up while the engine is run-
ning.
The coolant temperature is too high.
\1Do not drive any further.
\1Consult an authorized Sprinter Dealer.
If the vehicle is switched off after being
subjected to extreme loads (for example
driving in mountainous terrain, trailer
towing, etc.), the coolant warning lamp
may light up when the ignition is switched
on or the engine is restarted. Run the en-
gine for approximately 1 minute at idling
speed.
Consult an authorized Sprinter Dealer if
the coolant warning lamp remains lit.
A
The yellow reserve fuel warning
lamp lights up while the vehicle is
in motion.
The fuel level has fallen into the reserve
range.
\1Refuel at the nearest refueling station
(\2page 184).
A
The yellow reserve fuel warning
lamp lights up while the engine is
running and the gauge for the fuel
tank shows zero although there is
still fuel in the tank.
The fuel filler cap is not closed.
\1Close the fuel filler cap. A clicking
sound indicates that the fuel filler cap
is closed.
\1If the malfunction continues to be in-
dicated, have it rectified immediately
at an authorized Sprinter Dealer.
q
The yellow preglow indicator lamp
lights up while the engine is running.
There is a malfunction in the preglow sys-
tem.
\1Consult an authorized Sprinter Dealer.
Problem
Possible cause / result
Suggested solutions
Page 279 of 393

278 Practical hintsWhat to do if ...
5
Problem
Possible cause / result
Suggested solutions
X
USA only:
Combination low tire pressure/
TPMS malfunction telltale for
TPMS lights up continuously.
Canada only:
Low tire pressure telltale for
TPMS lights up continuously.
WARNING
G
The TPMS detects a loss of pressure in at
least one tire.
\1Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers. Observe the traffic situa-
tion around you.
\1Read and observe messages in the
multifunction display.
If the tire inflation pressure in the respec-
tive tire(s) has (have) been corrected, the
combination low tire pressure/TPMS
malfunction telltale goes out after a few
minutes of driving.
X
USA only:
Combination low tire pressure/
TPMS malfunction telltale for
TPMS flashes 60 seconds and
then stays illuminated.
There is a malfunction in the TPMS.
\1Read and observe messages in the
multifunction display.
\1Have the TPMS checked at an autho-
rized Sprinter Dealer as soon as pos-
sible.
After the malfunction has been remedied,
the combination low tire pressure/TPMS
malfunction telltale goes out after a few
minutes of driving.
Page 307 of 393

306 Practical hintsChanging bulbs
5
\3 Changing bulbsBulbs and lights are an important aspect of
vehicle safety. For this reason, make sure
that all bulbs are in working order at all
times.
\4Switch off the lights to avoid a short cir-
cuit.
\4Only touch new bulbs with a clean lint-
free cloth or something similar. Do not
work with wet or greasy fingers.
\4Only fit 12 V bulbs of the same type as
before and of the correct wattage.
\4Have the headlamp setting checked
regularly.\4If the newly installed bulb does not light
up either, visit an authorized Sprinter
Dealer.
\4Have the following LEDs and bulbs
changed at an authorized Sprinter
Dealer:
\4The additional turn signals in the
exterior mirrors
\4The third brake lamp (cargo and
passenger vans only)*
\4The bi-xenon headlamps*
\4The foglamps* Before changing bulbs
Warning
G
Bulbs and bulb holders can become very
hot. For this reason, allow the light to cool
down before changing the bulb.
Keep bulbs out of the reach of children.
Never use a bulb which has been dropped.
Such a bulb may explode and injure you.
H7 bulbs are pressurized and may explode
when changed. You should therefore wear
eye protection and gloves when you are
changing them.