http://www.auto-motor-und-sport.de/news/grenzenlos-das-250-km-h-limit-broeckelt-659443.html "Grenzenlos – das 250 km/h-Limit bröckelt"], Auto, Motor und Sport These limiters can be deactivated, so speeds up to 300 kmph might arise on the German autobahn, but due to other traffic, such speeds are generally not attainable except during certain times like between 10 p.m. and 6 a.m. or on Sundays (when trucks drivers have to rest by law).