Ms Merkel was due to hold a videoconference of prime ministers of German states on Wednesday morning, to discuss an extension of the lockdown and additional measures to tackle the coronavirus pandemic.
The car was seen to have white “anti-globalization” writing smeared on both sides of its body.
According to the Bild newspaper in Germany, the same car crashed into the building in 2014.
At that point, one side of the VW station wagon said: “No more killer climate change” and the other side: “Nicole, I love you,” Bild reports.
Today, police inspect the estate car at the gate with the words “Stop Globalization Politics” scrawled in white on the side.
Images on social media showed the words “You fucking killers of children and the elderly” written on the other.
Dozens of police and a fire engine were at the scene.
Europe is on high alert after suspected Islamist militants have killed eight people in Paris, Nice and Vienna in recent weeks.
Swiss police on Tuesday identified a Swiss woman who stabbed a victim in the neck and grabbed another victim in the throat at a large store in Lugano as a known jihadist.
Four years ago, a failed Tunisian asylum seeker with Islamist ties hijacked a truck and then pushed it into a
Berlin Christmas market, killing 11 more people and injuring dozens more.
The Chancellery Office, a white post-modernist structure located on a square in the Reichstag building which houses
The German parliament is well set back from all major roads.