Mercedes Workshop Manual Om646 Engine ((link))

Before diving into the manuals, let’s recap why the OM646 is unique. Produced from 2003 to 2010, the OM646 replaced the OM611. It came in several variants:

While oil changes seem basic, the OM646 manual notes: Mercedes Workshop Manual Om646 Engine

The CDI system operates at extremely high pressures (up to 1600 bar). Before diving into the manuals, let’s recap why

Without this, you will break the plastic intake manifold rails. Before diving into the manuals