I don't think I have seen the ASR on anything older than 91. The specail diff was in all of the 560's. I don't think that I have seen them in the 420's/
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Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM
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