http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=mercedesshop&cookieid=1DX0L34WQ1E017OUY7&baseurl=http://catalog2.mercedesshop.com/&partner=mercedesshop&year=1982&product=D3011-15633&application=000004966

It originally looks like this but gets bent into the trident shape. Sounds like you need a new one.