This on-board overhead console switch is a perfect fit for your 98-03 Mercedes ML320 or ML430 W163. It is made of durable plastic and comes with a one-month manufacturer warranty. The switch is designed for easy installation and features a trip computer function. It is compatible with interchange part numbers A-163-540-01-11, 16228382-1, 16228387, A1635400111, 163 540 01 11, 16228387-1, 16228383, and A 163 540 01 11. This overhead console switch is a genuine Mercedes-Benz part and is not a universal fitment. It is a great replacement part for your car's interior.