Oil pan damage; is a real and constant concern! Some of the New Beetles (I believe the convertibles); had a metal plate that the dealer could special order but many people opt, for a aftermarket version; that is much more protective then the VW version.
Two vendors make them: Dieselgeek and Evolution Imports:
Panzer Skid Plates > New Beetle 1998 - 2010
The Dieselgeek VW New Beetle skid plate protects the undercarriage including the New Beetle's oil pan from road debris.
Skid plate; (with or without oil drain hole)
Volkswagen Skid Plates
Two vendors make them: Dieselgeek and Evolution Imports:
Panzer Skid Plates > New Beetle 1998 - 2010
The Dieselgeek VW New Beetle skid plate protects the undercarriage including the New Beetle's oil pan from road debris.
Skid plate; (with or without oil drain hole)
Volkswagen Skid Plates