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1977 450 SEL Ignition Cylinder - no pin hole

Started by Dcombs7, 23 February 2024, 07:44 PM


Hi, All. I'm new to the forum, and I'm restoring a 1977 450 SEL with my son. It's been a great project, and we've taken it from non-running and sitting for over a decade to fun running and driving a car that he's learning to drive in.

Recently, the ignition lock cylinder stuck while we were out, and I'm going to nip that real quick before it gets us stuck. I ordered a new part from Pelcan Parts, and it's not the same as the original. The new part has the pinhole I'm used to and was expecting.

In fact, I can't figure out how to get the original out. I did look through the other threads, and all of them seemed to have the standard pinhole I'd put an Allen key or paperclip like the replacement part. This one is different.

How do I remove it? There is no visible spot to insert an allen key I did take the black plastic off and a chrome ring to get this far.

I appreciate your advice!



My 77 280 SE (US model) has the same configuration.  I took it apart about a year ago, but I don't remember for sure how I did it.  I may have done it from behind the dash with the cluster out.
1977 280SE
1983 300D (sold)
1988 BMW 535is
1999 E320T (sold)
2009 E350T (wife's)


Thanks! That's what my research seems to show. I'll take some pictures as I do it as I can't seem to find any, and it may be helpful to others if they run into this situation, too.



1971 R107 350 SL
1972 W108 280 SEL 3.5
1975 W116 280 S
1975 W116 450 SEL 6.9 #140
1977 W123 230
1992 W124 230 CE
2001 Ducati Monster S4