This is how you reach the Foundation in Ladenburg
by train:
Ladenburg is connected by train with Frankfurt, Mannhein and Heidelberg. It takes about five minutes to walk from the train station in Ladenburg to the Karl-Benz Building, the home of the Foundation (see description of the travel plan). The closest IC/ICE Stations are in Heidelberg as well as in Mannheim, located about 10km from Ladenburg.
by car:
from the North
take BAB 5 (Frankfurt-Heidelberg), exit Ladenburg or
take BAB 6 (Kaiserslautern-Speyer) to BAB 656, exit Vierheim-Mitte and follow the signs to Ladenburg
from the South
take BAB 5 (Frankfurt-Heidelberg), exit Ladenburg or
take BAB 6 (Kaiserslautern-Speyer) to BAB 656, exit Mannheim-Seckenheim and follow the signs to Ladenburg
by plane:
Frankfurt Airport, continue your itinerary by train
Mannheim Airport, take a bus to the Mannheim train station and a train to Ladenburg from there or take a cab to Ladenburg
You find a detailed map of Ladenburg here.