Just looking for some friendly advice.
Check for rust all around the car, especially around the front wheel suspension (spring perch).
Have fun and join the smooth ride... :-)
There are three active sites when it comes to the W210 model -- this one, benzworld and peachparts. I believe all three have a 'common issues' sticky which you will want to read. However, since most W210's came with V6 it dominates. You could also look in the W124 forums since that engine was used it it.
Since I can't examine the specific car you are looking at, I can only give general recommendations. First, cosmetics are nice but no one ever got stranded in the middle of nowhere because the front seat had a tear.
1) Are all of the documents there -- OM, radio man and receipts/invoices for all repairs and maintenance. People who take care of their cars tend to save those things.
2) Get a CarFax report. They're not perfect (things not recorded) but useful for who owned the car and when and where. For example, if it spent most of it's life in a state which uses salt in the winter, rust might be an issue.
3) If $4-$5K represents a substantial purchase, hire a professional MB mechanic to do an inspection. FYI - if the current owner hesitates about the inspection - run away! No doubt on a car of that age he find enough issues to negotiate the price to cover his $200 or so fee.
4) Don't forget that 19 yr old luxury car only costs about 10% of when new BUT the cost of operation including maintenance, repairs and fuel are MUCH MORE than when new. Also, most owners of W210's do most of their own maintenance. It's a pretty easy car to work on but you still need experience and a few tools. Having an independent MB shop do the work roughly doubles the cost and having a dealer do the work triples the cost.
A well maintained W210 is pretty safe and economical and can last a very long time. 250K on the odometer isn't unheard of.


