Exhaust Aftertreatment Unit, Component Description - Mercedes-Benz OM 471 Introduction Into Service Manual

GF49.10>W>3010HA
ENGINES 471.9 in MODEL 963, 964 with CODE (M5Y) Engine version Euro V
ENGINES 471.9 in MODEL 963, 964 with CODE (M5R) Engine version EEV
Location
1 Exhaust aftertreatment unit
The exhaust aftertreatment unit (1) is
mounted on the side on the frame.
Task
The exhaust aftertreatment unit (1) is the
major component in the vehicle for limiting
emissions. Furthermore, it also keeps noise
emission as low as possible in its function as
a muffler.
Design
2 Ammonia slip catalytic converter
3 SCR catalytic converter
A57 EATU output NOx sensor control
unit
A57 b1 EATU output NOx sensor
A67 AdBlue" metering device
A70 EATU input NOx sensor control unit
A70 b1 EATU input NOx sensor
B72 Exhaust temperature sensor
upstream of SCR catalytic converter
B73 Exhaust temperature sensor
downstream of SCR catalytic
converter
i Introduction of engine OM 471 and exhaust aftertreatment > 09/2011 >

Exhaust aftertreatment unit, component description

– This printout will not be recorded by the update service. Status: 09 / 2011 –
System components
2.8.11
W49.20>1027>76
W14.40>1602>76
213