1991 Mercy W140 S-Class Fuse Box Diagram 1991 Mercy W140 S-Class Fuse Box Map Fuse Panel Layout Diagram Parts: automatic transmission, front seat heating, seat adjustment memory, safety belt, passenger seat adjustment, climate control, control unit, A/C compressor, radio, stop lamp, instrument cluster, combination relay, flasher, turn signal control, fanfare horns, back up lamp, wiper, …