Here is the bolt kit:
http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1XC0ZKQX91Y80N26LD&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1997&product=L2042-66752&application=000359633
I did install the springs myself.
You can do the rear springs in about 1 hour
without a spring compressor.
Unless you have the proper spring compressor, I would leave the front springs to someone else.
Don't remember the cost of the alignment ( at the dealer ), or the price for the bolts, but it was worth it, in as far as I also value my new tires.
