For the 2002 Audi S6, the low-beam headlights use D2S bulbs, while the high beams use H1 bulbs. The fog lights may use either H3 or H3C, so compare the installed bulb and socket before ordering.
- Front turn signals are listed with 3457A or 2827 fitments.
- Front side markers use 3457A.
- Reverse and rear turn signals use 7506.
- Brake, tail, and rear side-marker lights use 7528, while the center stop light uses 2723.
- Daytime running and interior locations may use 2825 or 98.
- On Avant models, parking lights use 2825 or 98. The Avant trunk light requires comparing the original bulb; listed options include 6486X, 194, and 7441.
Other listed applications include 6418 for the license plate, step, glove-box, and vanity lights, plus 64111 for courtesy and map lights. Dome and engine lighting may use 6411 or 6428.