Does anyone know if it is OK to drive around with a bad Aux battery in these W211s at least temporarily? I'm getting the visit workshop warning and suspect the SBC battery has gone bad since car starts fine and voltage shows 12.3V for the main battery.

Thoughts?
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-- Chris

'95 E300, 216k miles, Silver Surfer
'05 E320 CDI, 138k miles
'07 S550 4matic, 69k miles

Gone but not forgotten:

'76 300D, 350k miles?, SOLD in 1995
'75 240D, 300k miles, SOLD in 1991

I was thinking it would tell you specifically it was the aux battery. If aux battery getting low you should be able to drive long enough to get to a shop.

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Jim