Mercedes diesels are great, but parts are expensive and some special
tools are required for assembly.  Even 4 cylinder engines cost $4-5K for
a commercial rebuild.  There are many Mercedes mailing lists.  I suggest
you look at:

http://www.mercedeslist.com/
http://autos.groups.yahoo.com/group/diesel_mercedes/
http://diesel.list.mbz.org/

Mike Snow

> Quick question.  I have a 220D that is an embarrassment to drive due to the
> smoke.  How difficult is it to rebuild a 4 cyl diesel engine?
>
>
>
> Jere