Volkswagen Beetle accommodated five passengers in its extensively streamlined four-door body, which provided luggage storage under the front bonnet and behind the rear seats. It also featured a similar central structural tunnel found in the Beetle. Just before the start of the Second World War, Tatra had ten legal claims filed against VW for infringement of patents. Although Ferdinand Porsche was about to pay a settlement to Tatra, he was stopped by Hitler who said he would "solve his problem". Tatra launched a lawsuit, but this was stopped when Germany invaded Czechoslovakia in 1938, resulting in the Tatra factory coming under Nazi
Wehrmacht forces for the Ardennes Offensive army was made up of the I SS Panzer Corps, commanded by General Hermann Priess; this corps included the 1st SS Panzer Division Leibstandarte SS Adolf Hitler, 12th SS Panzer Division Hitlerjugend, 3rd Panzergrenadier Division, and the 12th and 277th Volksgrenadier divisions. The I SS Panzer Corps also included a number of ad hoc vanguard units, including Kampfgruppe Peiper (forming part of the 1st SS Panzer Division), which contained a panzer battalion (72 mixed Panzer IV and Panther tanks) from the 1st SS Panzer Regiment, the 501st SS Heavy Panzer Battalion (45 Tiger Is) and the 3rd SS Panzer Grenadier