I don't know what country you live in but from what I've seen on Ebay US the 210 E55 are very low $30K for low mileage 2002's and for a higher mileage 1999 you'd be lucky to get $20,000. That's just plain bad for a car that was between $68,000 and $70,000+ when it was new.210 e55's market is not all that slow for nice cars and a no reserve will get the real buyers off the bench.
Yes, I own an E55. I do wish him the best of luck but it is a fact that these cars are not going for much money. Heck, look at the buy it now prices on the 2000+ E55's. That is low! A little over a year ago you could not even find a 1999 E55 for under 30,000 in good shape but now the same car brings $20,000.So instead of jabbing people about what country they are from, and talking about a car on an e55 forum from a guy that does not even own one, you should just wish the seller the best of luck from what appears to be a nicely optioned 99 e55.