I’m not too knowledgeable when it comes to technical maters, but for what I understood from a German Mercedes Benz technician. The switch that has a wheel with a chain -for snow-on the 500E/E500 console (next to the hazard lights switch, above the air conditioning control) is technically an ASR defeat swch. It does defeat the ASR system.

Could that be possible?

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500E, Mercedes 1992 Pearl Blue
G500, Mercedes 2001 Metallic Beige
250SE Cabrio Mercedes 1968
300SE Coupe Mercedes 1964
220SE "Ponton" Cabrio Mercedes 1960