What to do if ...?
222
Practical hints
¯
dEF Chk
In addition, the ; yellow engine diagnostic indicator
lamp and the å yellow DEF indicator lamp light up and
a warning tone sounds.
The DEF reducing agent is contaminated, diluted or is not
compliant with ISO 22241.
After the first message and under normal operating condi-
tions, you can drive on for up to approximately 500 miles
(800 km). Then a warning tone sequence sounds and the
engine can only be started another 20 times.
E Have the DEF tank cleaned and refilled at an autho-
rized Sprinter Dealer as soon as possible.
In addition, the å yellow DEF indicator lamp lights up
and a warning tone sounds.
The Diesel Exhaust Fluid (DEF) supply has dropped below
1.5 US gal (5.5 l).
After the message appears for the first time, and under
normal driving conditions, the remaining DEF supply will
last for approximately 1,000 miles (1,600 km).
After that, the 0.8 US gal (3.0 l) reserve mark range is
reached. A warning tone sequence sounds. The engine
can then only be started another 20 times.
E Top up the DEF supply (e page 155).
After topping up, the system check takes approxi-
mately 20 seconds. The å DEF indicator lamp then
goes out.
¯
XX starts
remaining
In addition, the ; yellow engine diagnostic indicator
lamp and the å yellow DEF indicator lamp light up and
a warning tone sounds. A warning tone sequence sounds.
After the message appears for the first time, the engine
can only be started another 20 times.
The number of remaining engine starts
xx
(
20
to
0
) is
shown in the message every time the engine is started.
Once the number
0
is shown, the engine can no longer be
started.
Display messages Possible cause/consequences and E Solutions
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