On the fuse box on the side of the headlight switch.

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MERCEDES Benz Master Guild Technician (6 TIMES)
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190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator

Thanks for the reply. Are you talking about the one to the left of the headlight switch - in the doorjamb, on the side of the dash? I checked fuse #2 in there and it's good. Is that the fuse you mean?

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280

Is this car equipped with a bad bulb warning system, if so is the third brake lamp bulb monitored? The 210 had tremendous issues with defective electrical attachment at the hat shelf. The contacts overheat allowing the plastic to melt and loose contact.
Bill