I looked through the archives but wasn't able to dig up any ignition tumbler changes for the W202. I'm sure someone has done one, but it just might take a bit before they find this question. Be patient, I have faith you'll get an answer.
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.