central locking

amg500

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500 sel amg.....280sl
hi...my central locking has stoped working on my w126 500 sel it only unlocks the drivers door none of the others......but it works from the boot??
can any one help
 

television

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Just getting this right. All of the car opens from the boot but only the drivers door from the front, will it lock all of the doors from the drivers door
 

Alex Crow

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^^^what he said, also, will it open from the passenger door? is there a remote locking control fitted, or has there been one in the past?

your door locking is actuated by a vacuum/pressure pump in the spare wheel well, have a look there to see if the wiring has been modified in any way.
 

television

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^^^what he said, also, will it open from the passenger door? is there a remote locking control fitted, or has there been one in the past?

your door locking is actuated by a vacuum/pressure pump in the spare wheel well, have a look there to see if the wiring has been modified in any way.

I see what you mean,,I had not though about the key,,this will mean the the switch built into the drivers door lock has failed or making poor contact.

Thank you for that
 

Alex Crow

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that would be the thinking malcolm, but the switches are very reliable, and the wiring too. more likely i think is the 'used to have remote control' scenario. had this on a late 107 last week, the wiring was pieced in at the pse unit, worked from boot and n/s door, not o/s door.
 

television

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Hopefully the OP will let us know soon:D
 

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