Thanks to MBDOC and Deanyel for helping me find my missing diagnostic port and for links to building a code reader. My code reader indicates that I've got a bad airbag control module. The only part number that comes up is 000 820 02 97, but a footnote shows this as the part through model year 1987. There is no other part number shown and no information about my 1988 model year. Cost is around $400.

I've got several questions. Does anyone know for sure if this is the correct part for me? Are there any other sources for this part or does anyone test and/or rebuild these things? I'd hate to try a used unit, because it may be bad too, unless of course I could pick one up for a song.

According to some other posts I've seen, replacement is a very simple job.

Thanks.

__________________
Len
'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - totaled and parted out
https://sites.google.com/site/mercedesstuff/home
'99 E300 turbo 227,500 miles
'03 SLK320 40,000 miles - gave to my daughter
'14 Smart electric coupe 28,500 miles
'14 Smart electric cabriolet 28,500 miles
'15 Smart electric coupe 28,000 miles