Central Door Locking
The central locking on the 463 has died. It's something you take for granted and when it's not there you certainly miss it!!
I am assuming / hoping that it is the relay but does anyone know where it is and how to identify it?
BTW checked fuse No 16 and it's OK but didn't have time to investigate further today.
Thanks, Russ
Russ,
Pretty sure the CDL relay module is located on the reverse side of the fuse box carrier (assuming 463 chassis).
Unscrew the fuse carrier and the whole panel hinges and drops down, relay module is screwed to the base (about the size of a box of fags).
Good luck mate.
Kind Regards
Peter
Russ,
I am having the same problem on my G320.
Besides that the gas flap is locked.
Do you know how to open it?
The owners manual is incorrect.
Bill Stroud
Sorry Bill no idea but hopefully someone will enlighten us!
With respect to the gas flap there is usually a manual release. Maybe a wire pull which you get at from inside the car by removing some interior trim.
Good luck,
Russ
The central locking on the 463 has died. It's something you take for granted and when it's not there you certainly miss it!!
I am assuming / hoping that it is the relay but does anyone know where it is and how to identify it?
BTW checked fuse No 16 and it's OK but didn't have time to investigate further today.
Thanks, Russ
Russ.
The relay is the one in the picture.
Russ,
I am having the same problem on my G320.
Besides that the gas flap is locked.
Do you know how to open it?
The owners manual is incorrect.
Bill Stroud
Is this what your manual shows?
hi my schematic and your pics don't match up but the c/l relay is next to the two fuel pump relays so if you pull the relay for the pumps with the ignition on and no pumps it is relay base number 5 . I believe there is a master controller in the drivers door for the c/l which can get wet an decay.......
OK found the relay (by tracing back supply from fuse 16) and as suspected in technical terms it's goosed :(
This is probably a remote possibility but to fix it I need a chip with the reference number U 2550 B1 manufacturer TFK.
Tried Google but can only get one if I spend min of £200.
Anyone any idea where to get one?
As I said highly unlikely but worth a try!
if u just need a chip for the relay, try maplins. i fixed my 560 sel seats/windows/doors for 51pence instead of £30 odd for a diode......
Hi the same relay is fitted to a variety of MB saloons/estates... for the same purpose....if you have a local Mercmuncher !!!!.... and its not to big to carry. use the old one as a pattern....
Well I dug around a few 300 series Merc's in the local scrappy at the weekend and failed to find one I'm afraid.
So I may have to hand over £94+VAT to the MB stealer........oh that hurts!!
did u try Maplins Russ??
Yep tried Maplins, no luck it appears to be an obsolete chip.
I have found them but from suppliers that require a £200 min. order :( :(
Ah well someone needs to subsidize all the marble and tacky leather sofa's in the MB stealers :D
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Thanks Peter,
Found the relays but can anyone tell me which is the central locking relay please.
Pic's attached below. I have taken each one out and they appear OK, no signs of burning etc.
I'm an electrical engineer but car electrics :evil: :evil: who knows how they work! But then I deal with Mega Watts, Mega Var's and Kilo Volts