You could try ZF but my understanding is that all 250 production units were pre sold.
Here is the contact.
i.A.Thomas Neuenfeld
ZF Services
Vertrieb Kundenservice / Ersatzmarkt EUROPA ( MATE3 )
Customer Service / Aftersales EUROPE ( MATE3 )
Auftragserfüllungsprozess / Customer Order Processing
ZF Friedrichshafen AG
Leutholdstraße, 88045 Friedrichshafen, Deutschland/Germany
Telefon/Phone +49 7541 77-5406, Telefax/Fax +49 7541 77-905406
thomas.neuenfeld@zf.com
www.zf.com I had an email from them last week advising me that mine is ready for delivery and giving me a set of instillation instructions for it. I am passing it on to the new owner of my 280SL.
Garry