It is normal for the SRS lamp to be lit for a few seconds after start up. On my '86 560 it stays lit for a full 10 seconds (just what it calls for in the book).
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.