You want to pull a trailer. When do additional rear-view mirrors have be to attached to your motor vehicle?

In the context of pulling a trailer, the law requires that additional rear-view mirrors must be used when it is impossible to observe all relevant traffic situations from the driver's position. This is to ensure maximum visibility and safety for both the driver and other road users.

In your answer, while you correctly identified the need for additional mirrors when visibility is compromised, you also included conditions that pertain specifically to the width and height of the trailer, which were not necessary in this case. According to German traffic regulations, the primary concern is about maintaining a full view of the road and ensuring safe transport.

Therefore, the correct answer focused solely on the visibility aspect. Understanding this distinction helps ensure compliance with safety standards and reduces the risk of accidents on the road.