1. jahewitt

    Naviation disc for w211 (2003) aps50

    I am trying to upgrade the disc (CD I think) in the APS50 Sat Nav unit in my E class W211. It appears to have a disc from HArman/Becker. Does anyone know where I can get these from . . . . or do I have to go to the delaership. Any help please . . . .!
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