A top for $ 14,000 is delusional , A top for $ 1,400 is wildly optimistic , a top for $ 140 is priced about right. And, just why would our original poster want to devalue their car by $ 14,000?

Here are some complete cars with hard tops in the Dallas area.

https://dallas.craigslist.org/ftw/cto/5385891275.html
1992 Mercedes 500 SL - $2900 (Ft Worth)
1992 Mercedes 500 SL Convertible. Also comes with removable hardtop. 91K miles. Runs and drives but has a top end noise in the engine


https://dallas.craigslist.org/dal/cto/5331840744.html
1993 Mercedes 600 Sl convertible - $6500 (Dallas)
Selling my Mercedes . His car runs and drives good , but convertible top needs to be fixed. Estimate price to repair is $1500. Hardtop and soft top are in good condition.

https://dallas.craigslist.org/dal/cto/5378727707.html
1997 Mercedes sl 500 - $3350 (Arlington)
I have 1997 Mercedes sl500 running and Drive great.. anything working 112k miles
Ac and heat work with 6 Cd . Hard top and soft top i want to sale $3350 cash ,