45.4% of all breakdowns attended in 2025, against 35.7% ten years earlier.
The 12-volt battery was behind 45.4% of all breakdowns attended by ADAC in 2025. In 2015 the figure was 35.7%: the share has climbed almost ten points in ten years.
The second cause, a long way behind, is problems with the engine or engine electronics, at 21.8%.
In other words, almost half of the breakdowns ADAC attends have the same cause. ADAC annual statistics, published on 23 April 2026.
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