Eric
Not sure where you are but I got a data card from Germany. They wanted the full VIN 113 042... and proof that i owned the car - I guess to stop copies etc
They then offered to sell me a certificate style datacard. Some people get them but the essential info will all be on the actual data - or build - card, which they currently supply free.
To check you have a "matching numbers" car, you will need to cross reference:
the engine number on the data card with the number stamped on your cylinder block (just below pugs 5/6, left hand side of the engine)
the details on the drivers tag you also photographed/transcribed.
You can also use the card to "decode" what MB built (as James has done below) which will allow you to see what left the factory, and whether you still have it... has someone changed the body colour, interior to tex or similar.
Useful thing to have
Over here at least, the 113042... number is the VIN and our "DMV" (DVLA) have that, along with the body colour. Both are shown on the "V5": our "ownership" document. That's it. Not sure about the US though
James Lester
RHD 280 in DB906 with cognac leather