Your SMOG guys manual IS wrong & BENZMAC is correct! The 1985 V-8s were the last ones that the timing could be changed.
You will need to reset the static distributor timing OR you might have cross-fire inside of the dist cap.
MERCEDES Benz Master Guild Technician (6 TIMES)
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190E 2.3 16V ITS SCCA race car (sold)
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