It lists part hum 578 a 12.8V 10watt bulb.
Be sure the dome light switch is not turned on manually.
It doesn't have a dome light... it's a map light, #105
on the side of the dash
The fuse box under the hood.
Just gingerly pry it off.
Try closing the doors?
Car believes one door is ajar - dirty/inoperable door switch? Light manual on/dash dim/dome on switch is swivelled completely clockwise; or is shorted making car believe you want the dome light manually switched on.
When the dome light stays on in an slk320 one of several things could be causing it. A door switch could be bad, the manual light switch could be stuck, or the light relay could be stuck. Any of these could cause the problem.
It was originally built to house the Civic Light Opera, because the dome design would create great acoustics.
Some of the newer vehicles light switch is in the latch mechanism inside door panel
The dome light switch on the dash is on.
The interior door switch may be built into the door latch. It is on the 2001 Ford F-150.