Mercedes-Benz Forum banner

W639 sliding door not locking/unlocking

11191 Views 4 Replies 3 Participants Last post by  phil24_7
Hi All, my 2008 Vito side rear door has decided it is no longer unlocking consistently with the remote lock/unlock. The physical lock/unlock buttons work ok from inside. So, sometimes it will not unlock remotely, more importantly, sometimes it will not lock remotely, so I need to manually lock it inside first!
I am not sure if it is simply a dirty contact somewhere or if the relay is not functioning to lock/unlock.

Anyone investigated this before?


1 - 2 of 5 Posts
Renew the contacts and pins. I've just done both my sliding doors, new pins and new contacts bought from an Ebay account for Pentagon of Andover. It saved a few quid over the local one which is also Pentagon......
For what it costs I'd replace the pins as well then you won't have to worry about it again. On mine there was one pin, the top one, that refused to slide in and out properly and was a real pain until I replaced it.
1 - 2 of 5 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.