Components - Mercedes-Benz OM 904-926 LA BlueTec Operating Instructions Manual

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AdBlue /DEF components
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BlueTec sensors, overview OM 924 LA
Valve preheating, AdBlue
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Silencer
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Temperature and humidity sensor (air filter, clean air side)
=
Metering unit
?
Temperature sensor downstream of catalytic converter
A
NOx sensor
B
Temperature sensor upstream of catalytic converter
C
SCR frame module
D
Supply unit
E
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AdBlue /DEF filter
F
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AdBlue /DEF tank
G
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/DEF system
Exterior view
19