What year model again?No you can''t scan it.A good indie shop mb with the proper
star machine can,so call around.They will be much less than the dealer.Most of the E320 srs light issues are passenger seat occupancy seat sensor failures.Inspect the wires and diy r/r is on benzworld.org w210 diy section.You remove the seat,part is about 150 bucks,you replace it,etc. ohlord...