Mercedes MBE 900 Diesel Engine Emission Codes

Mechanics Hub - February 21, 2014
Exhaust Temperature “Too High” Engine Code

With emission systems their main purpose is to remove soot and NOx (nitrogen oxide) from the engine exhaust system. In the process of doing this the DPF (diesel particulate filter) gets the worst of the tar and gum like substance that accumulates on the filter.
Diesel Engines