non-start

Hi All, I have a E270 CDI with new copper injector washers fitted. there is compression as seals seem air tight. 3 injectors had tiny balls missing which I bought (ceramic not sure if it makes a difference between steel but I was told this injector takes the ceramic ones) and they fit well so...

This is a problem on my 'new' C220 diesel Auto (WDB202), 1994. Changed the battery (Bosch) and now she refuses to start. Turns over nicely but no sign of life. The history: Straight after the battery change, the alarm sounded and the immobiliser light came on, and she wouldn't turn over...