Try adding extra ground wire from battery to the engine block.It made my charging rate better and faster starts.
Try mercedessource for info on starters.
How do I change a starter in a 90 Mercedes Benz 420SEL?
First, are you sure it needs changed ? Many starters replaced that need not be. What is the problem that brought you to this conclusion.
How do I change a starter in a 90 Mercedes Benz 420SEL?
Your Mercedes is vary rare to get parts, I would take it to a Mercedes garage, if you live in London take to Park Royal garage they're pretty good, make sure first that you need a new starter though.
