The "shadetree" method would be to tape the veneer side with masking tape to prevent cracking, and a fine blade scroll saw to cut.

I wonder though, didn't the later models come with the full-screen computer display? Those would be a double-DIN size. It would be much cleaner to get a console from a later-series R129.

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car