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W461 central locking

Antony

G-Wagen Club SA
Joined
Nov 17, 2008
Messages
819
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67
Location
Johannesburg
#1
I’m tackling my “sporadic” central locking. The right rear door just makes the gun cocking sound but doesn’t actually lock or unlock the door.

I’ve taken the whole thing out and cleaned the mechanism. The actuator works when out of the car but doesn’t seem to have enough power to move the lock when installed.

Am I looking at a new actuator? The other doors seem to operate well enough.


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Andrew

G-Wagen Club SA
Joined
Oct 8, 2008
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3,363
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290
Location
Brits
#3
I feel I should know, but i do not! I just walked around it and locked them if they were not.

If it is the unit i think i have one you are welcome to. The one I have has kiekert written on it.

Btw while you are in there it is a good time to replace the missing transparent dust membranes underneath the door cards. It makes a massive diifference to the car's dustproofing.
 

Wanna Be

G-Wagen Club SA
Joined
Jan 21, 2011
Messages
495
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45
Location
Limpopo, LTT
#4
Andrew what have you used to stick the replacement dust covers with to the door?

I have made a template and bought the plastic but not sure what to stick with? Don’t want to use something that wil be a mission to get off

Apologies for hijack
 

Alan

G-Wagen Club SA
Joined
Oct 12, 2008
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Location
Pretoria
#5
I would just use thr spray on bostic contact glue. It gets hard at some stage and the membrane can come off easily again.
 

Gerhard van Rooyen

Staff member
G-Wagen Club SA
Joined
Jan 21, 2009
Messages
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Age
34
Location
Empangeni/Durban
#8
Antony, I found that the locks on my car had some protective wax-like substance on them which with a lot of time gets a bit sticky between the moving parts, once cleaned thoroughly they move easily and then one uses the Wurth "Schutz Wachse" spray to protect them before installation - the Wachse hardens a bit but is still somewhat slippery to enable movement.
 

Doug Nel

G-Wagen Club SA
Joined
Oct 11, 2008
Messages
509
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Location
Cape Town
#9
Andrew what have you used to stick the replacement dust covers with to the door?

I have made a template and bought the plastic but not sure what to stick with? Don’t want to use something that wil be a mission to get off

Apologies for hijack
Where did you buy the plastic Cornel? What spec?
 

Antony

G-Wagen Club SA
Joined
Nov 17, 2008
Messages
819
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67
Location
Johannesburg
#10
Thank you. I saw that on the door I worked on, the plastic sheet was in place. I had to cut it to get the actuator and locking mechanism out and then tape it up.

I’ll need to open all the doors and swap out actuators to see if it makes a difference. Thank you for the offer of the spare one Andrew. I’ll let you know once I’ve hopefully isolated the problem.

Regards
Antony


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Pierre

G-Wagen Club SA
Joined
Jun 11, 2012
Messages
197
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30
Location
Middelburg
#11
Anthony,

Mine did the same.
Measure the volts at each actuator, mine was a combination of dirt and wire pinched in back door. Should be 12V when you lock and unlock door.

Regards