Last evening at a stop sign after driving several miles, my SRS light illuminated for 3-5 seconds and then went off. This has occurred a couple of times each for 3-5 seconds. Is this a routine self-diagnostic? No other sensors have done this that I have noticed. Much thanks, Stephen Davis 1988 300E 90k

Stephen
You need a diagnostic tool to pull trouble codes out from SRS unit then test each code
for faulty sensors or switchs your cause could be the SRS contact ring & contact is worn-out have pro check & test for you.
hope this help.

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MB STARS Master Guild Technician,12 years MB tech
5 years independent shop owner

Will do - she's going in the shop on Thursday for the day. I'll add it to the list.

Stephen Davis
1988 300E 90k miles