E320 1996 security system

1996 E320 security system(mbss) the system will not disarm and car will not start(red/geen lights still flash) wont reset as per manual
and can only reset by taking battery lead off and this works for a trip or two before all goes of again.can you help with what is up with system thanks
Posted at author's request, using http://www.AutoBoardz.com interface
Articles individually verified to usenet standards. Visit URL to contact
  Click to see the full signature.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.