280SL serial number

[TBaker]

I am the original owner of a 1969 280SL and need help in deciphering my car’s ID tag.  The numbers are as follows:

426 491 503 535
180 G 180 G 6
113044 12 4
60248 85702

Thanks very much for any help the experts can give me in telling me what these numbers mean.

[mdsalemi]

All the information you need to decode is here:

https://www.sl113.org/wiki/DataCard/BodyandPaintNumberPlate