Mercedes-Benz Sprinter Operating Instructions Manual page 227

Indicator and warning lamps in the instrument cluster
Problem
; The yellow
Check Engine
indicator lamp is
lit while the
engine is run-
ning.
% If you turn the
key to position 2
in the ignition
lock, the yellow
preglow indica-
tor lamp
remains lit for
approximately
1 minute. Or the
yellow preglow
indicator lamp
lights up for
approximately
1 minute while
the engine is
running.
È The yellow air fil-
ter indicator
lamp is lit while
the engine is
running.
Possible causes/consequences and M Solutions
The exhaust gas aftertreatment is malfunctioning or an emission
relevant malfunction has occurred. This malfunction or defect can
damage the exhaust gas aftertreatment.
After the first message and under normal operating conditions,
you can drive on for up to approximately 500 mi (800 km). Then a
warning tone sequence sounds and the engine can only be started
another 16 times.
Observe the messages in the display.
X
Have the exhaust gas aftertreatment checked immediately at a
X
qualified specialist workshop.
In some states it is legally prescribed that after the check engine
indicator lamp lights up you must contact a qualified specialist
workshop immediately. Observe the legal requirements.
At extremely low temperatures, the engine may not start.
There is a malfunction in the preglow system.
Have any malfunction rectified at a qualified specialist work-
X
shop.
The service limit for the air filter has been reached. The air filter is
dirty.
Have the air filter element replaced as soon as possible at a
X
qualified specialist workshop.
225
Z