Depending on options, in the $28,000-$35,000 range.
Littlehorn is correct - which was about $5000 more than the closest BMW 3 Series - although the 190e was almost as large as the 5 Series in the 1980's. If you need specifics about a car you own, send an email to MBZ Classic Center in Newport California, they will decode your VIN for you.
Search Mercedes-Benz 190-Class Questions
Mercedes-Benz 190-Class Experts