Where is the fuse for the S 500 Mercedes taillights?

There is a fuse box in the trunk of the car. on the vertical firewall behind the seat. If you own a Mercedes Benz and you DO NOT HAVE a owners manual. You are at a great disadvantage. The fuses are not labeled in some cars and don't think about pulling and inspecting fuses. you can damage the cars electronics and cause some warning lights to illuminate.