I have an aftermarket ignition switch and key on my 85 300SD. Is there anyway I can rebuild the ignition switch so I can use the real key without the original tumblers? Has anyone done this. I would assume a bored locksmith might be able to figure this out. Would love to be able to use a single laser cut key. Has anyone done a similar project. I know I could get a set from a junked car but it would not match the VIN.

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My Daily : 96 E-300 Diesel with 195,000 miles
Retired: 92 300D 2.5 T 345K miles and for sale
Retired: 95 E320 157K miles and currently parked with blown engine

Both retired cars are for sale as is my w124 shop inventory