Mercedes-Benz E-Class Series 207 Service Manual page 51

Exhaust system
BlueTEC with AdBlue
The exhaust system of a diesel engine with AdBlue
consists of:
• Oxidation catalytic converter
• Diesel particulate filter
• SCR catalytic converter
®
• AdBlue metering valve
• NO sensors upstream and downstream of SCR
x
catalytic converter
• One rear muffler in each pipe
i Note
For an overview of the exhaust aftertreatment
systems and the relevant limits in the emission
regulations the following Technology Guide is
available:
Exhaust aftertreatment for current passenger car
model series
Order No. 6516 1337 02
50
Introduction of the New E-Class Coupé, Model Series 207
b
®
– This printout will not be recorded by the update service. Status: 01 / 2009 –
®
The NO sensors upstream and downstream of the
x
SCR catalytic converter measure the NO
tration in the exhaust gas and regulate the dosage
®
of the AdBlue reducing agent.
concen-
x