ML Rear SAM Problems

[Dog4x4]

Hi I have a problem with the rear SAM module and looking for a replacement I have a ML280 Edition 10 and the old sam is a Delphi ZB:A 164 540 18 01. I have checked e bay but i cant find this sam. Can anybody help with locating my sam or a repair company in the South West? Does anyone know if this sam has been superseded ??
Regards Nigel

 

[DSM10000]

It might be worth asking a local Mercedes specialist if another SAM may be compatible. Depending on options fitted to the car a replacement may need coding anyway.

 

[Dog4x4]

Ok thanks