Door unexpectedly opens

1971-1989: 280SL, 280SLC, 300SL, 350SL, 350SLC, 380SL, 380SLC, 420SL, 450SL, 450SLC, 450SLC 5.0, 500SL, 500SLC, 560SL
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Testie
E Class
Posts: 55
Joined: Sat 03 Oct, 2009 2:03 pm
Model you own: w107
Location: Armidale NSW

Door unexpectedly opens

Post by Testie » Mon 20 May, 2019 12:00 pm

W107 1974 with the hardtop off and on certain types of road conditions the passengers door popped open to first catch. Has anyone experienced this and is there a adjustment required or more sinister under pinning? My wife thinks I have set a trap for her but the door does not fully open only to first catch.
Col

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pastelgrey300D
OZBENZ Admin
Posts: 3592
Joined: Wed 07 Feb, 2007 9:17 am
Model you own: w111
Location: Adelaide

Re: Door unexpectedly opens

Post by pastelgrey300D » Mon 20 May, 2019 12:09 pm

I've had this problem before and it was the return spring on the door handle - i.e. the interior pull handle wasn't fully springing back to the closed position.

Another thing could be that the lock striker is broken, they have a small piece of protruding nylon/rubber that the striker makes contact with - when this breaks off you really have to slam the door hard to get it to close properly.

Here's an image I found from elsewhere on the forum:

Image
David
1967 W111 230S - Horizonblau
1965 W110 190c - Mittelrot
1967 W110 200D - Weiss (work in progress)
+ other classics

User avatar
Testie
E Class
Posts: 55
Joined: Sat 03 Oct, 2009 2:03 pm
Model you own: w107
Location: Armidale NSW

Re: Door unexpectedly opens

Post by Testie » Mon 20 May, 2019 1:24 pm

Thanks Dave I will check both of you solutions offered.
Col

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pastelgrey300D
OZBENZ Admin
Posts: 3592
Joined: Wed 07 Feb, 2007 9:17 am
Model you own: w111
Location: Adelaide

Re: Door unexpectedly opens

Post by pastelgrey300D » Mon 20 May, 2019 3:24 pm

Hopefully it may be just the striker but you may have to remove the door trim and take the lock out just so you can lubricate everything - ancient grease plus years of dirt could be causing things to stick and not fully return.
David
1967 W111 230S - Horizonblau
1965 W110 190c - Mittelrot
1967 W110 200D - Weiss (work in progress)
+ other classics

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