C280Sport,

I had the same problem with my SL500 when I replaced the battery.
A member here ( Bobterry ) told me with the ignition on, turn the steering wheel all the way to the left then all the way to the right. The next time the ignition is turned on the lights should go out. I did exactly as he said and my lights went out. Good luck.

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Donwo
1999 SL 500 Sport (30K miles)
1998 E320 (SOLD)
1989 560SL (SOLD)
1987 300E (TOTALED)
1986 300E (SOLD)
1984 300SD (SOLD)