w126 SRS light

[unkl300d]

1989 300SE. 84K miles.
As I drove down to San Diego from S.F.
I noticed my SRS light on the dash
flickering but then it went off.
Outside temperature was 92 Deg.
Faren. On the way back home, the light bagan
to flicker and finally stayed on for the duration of the trip. Outside temp
92-99 Deg Faren. Average speed
70 MPH using cruise control and A/C.
Back in cool San Fran. 58 Deg. Faren.
The SRS light did not appear on dash
beside the momentary check when
ignition is turned on.
Did the external temp. induce this
quirk ? All is normal now.
P.S. What is the standard shop hours for
removal and replacement of the oil pan
for this car ?
Thank you.

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1979 300D
133K miles
1989 300SE
1995 C280