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5-62
Switches and controls
2.6
Faulty BlueTec
ment (warning pattern 5)
If there is a problem with the BlueTec
aftertreatment, warning lamps will come on, the
engine power will be reduced, and a buzzer will
sound. Immediately have the vehicle inspected by
an authorized dealer.
CAUTION
If you continue to drive with the warning lamps
lit and/or flashing and a buzzer sounding, the
NOx level of exhaust emissions will increase,
damaging the environment. In addition, the
®
BlueTec
damaged. Continuing to drive in this condition
also results in reduced engine output and finally
in the engagement of driving restrictions after
which the vehicle can be driven only at slow
speed.
•
The following conditions will result if the system
becomes faulty:
•
The
•
Engine power is reduced in stages.
•
NOTE:
The engine power will be further reduced in stages
if you add any fluid (such as water, low-density DEF,
etc.) other than the acceptable DEF within 4,800 km
(3,000 miles) or 160 hours of driving after the above
Z21725
condition occurs.
•
If you drive for 80 km (50 miles) or 1 hour after
detection of the problem, the conditions men-
tioned above will be supplemented as follows:
•
The
amber to red.
•
A buzzer will sound.
•
The engine power will be further reduced in
stages.
•
If you continue to drive more than another
320 km (200 miles) or additional 4 hours after
detection of the problem, the system applies the
following control:
•
Changes the state of operation of the
warning lamp from lit to flashing.
•
Makes the buzzer sound louder.
•
Engages a driving restriction, locking the
gear in 1st or reverse. The vehicle then can
be driven only at slow speed.
Z21726
®
exhaust gas aftertreat-
exhaust gas aftertreatment will be
warning lamp comes on.
(amber) is shown.
warning lamp will change from
®
exhaust gas
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