I have a '91 300SE and about 4 years ago, right after I bought it, the check engine light came on. Through this group here I was able to take care of the problem then, an EGR problem (16 flashes, if I remember correctly). Fast forward 4 years, the engine light has come on 2 times (11 flashes), which I am able to reset from the box under the hood with the red LED in it. The problem is that though I can count the flashes, I have no idea what the problem might be because I didn't write down the list and after searching here can't find it either. Does anyone have the code list for my car.

Thanks in advance

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1991 300SE (my ride, 279,000 miles, looks almost new
1954 Cadillac (21 yo son's car, he bought when age 15)
1972 SeaBird 19 ft runabout (old but solid, slant six, Volvo sterndrive perfect condition, undergoing complete overhaul and refit)
1998 Toyota Rav4 (my sons daily driver when he is in the Continental US, PROUDLY serving in US Navy)

http://www.geocities.com/MotorCity/Downs/1039/mercedes/cs1000_mb.pdf

Thank you Arthur, that is what I needed and then some, there are more codes than I remembered.

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1991 300SE (my ride, 279,000 miles, looks almost new
1954 Cadillac (21 yo son's car, he bought when age 15)
1972 SeaBird 19 ft runabout (old but solid, slant six, Volvo sterndrive perfect condition, undergoing complete overhaul and refit)
1998 Toyota Rav4 (my sons daily driver when he is in the Continental US, PROUDLY serving in US Navy)