Self-Driving Car Accidents: Who Is Actually Liable?

Assistance systems already steer, brake, and accelerate on their own, but who pays when something goes wrong? The answer depends on the vehicle's automation level, ranging from classic owner liability all the way to manufacturer product liability. We break down the legal landscape and what it means for EV owners as self-driving technology keeps advancing.

Why the Liability Question Concerns Every EV Driver

Driver-assistance systems are now standard equipment in modern electric vehicles: lane-keeping assist, adaptive cruise control, automatic emergency braking, and in some models even automated lane changes on the highway. The more tasks a car takes over by itself, the more urgent one question becomes, a question many buyers only really ask after their first near-miss: who is actually responsible when, despite all this technology, a crash happens anyway? With a classic gasoline car the answer was simple, whoever was behind the wheel and made a mistake was liable. Once a system is temporarily steering, braking, and accelerating on its own, assigning responsibility gets a lot more complicated.

For EV owners this topic is especially relevant, because many electric models ship with more advanced driver-assistance systems than comparable gasoline cars, and manufacturers such as Mercedes-Benz already have an approved Level 3 system on German roads. Meanwhile in the United States, Waymo and Tesla have pushed autonomous and semi-autonomous driving even further into the public conversation, with Waymo running paid robotaxi service in several cities and Tesla continuing to expand its Full Self-Driving software. Anyone considering a car with these features should understand which automation level it operates at and what that means legally if something goes wrong. Liability frameworks differ from country to country, and as we'll see, Germany offers one of the clearest, most concrete examples of how lawmakers are drawing the line between driver responsibility and system responsibility.

Source: Attorney Christian Solmecke (WBS): Self-driving cars, who is liable in an accident?

Untangling the Legal Framework Behind Automated Driving

German attorney Christian Solmecke lays out the basics in his video clearly: German traffic law contains a rule that applies from the outset, regardless of how automated the vehicle is, namely the strict liability of the vehicle owner under Section 7 of the German Road Traffic Act (Straßenverkehrsgesetz, StVG).

Strict Liability of the Owner: In Germany, the Insurer Pays First

Under this rule, a vehicle's registered owner is liable, without any need to prove fault, for damage caused by the operation of the car. In practice that means the auto insurer pays out first in almost every case, regardless of whether a human made a driving error, a technical defect occurred, or the vehicle's software made a flawed decision. For the injured party this is a valuable safeguard, because they don't have to first establish exactly who or what was responsible. This baseline rule still applies even to highly automated systems, and automation hasn't changed it one bit. It's precisely this two-step structure, the insurer pays first and the question of who ultimately bears the cost gets sorted out afterward, that makes German liability law workable even for complex assistance systems.

Driver or Manufacturer: Who Ultimately Foots the Bill

The interesting part comes in step two, when the insurer seeks reimbursement from whoever actually caused the crash. German law distinguishes between two scenarios here:

• If the driver made a driving error or breached a duty of care, for example by failing to intervene in time, they're personally liable and the insurer pursues them for reimbursement.
• If the crash was caused by a technical defect or a software bug in the system, the claim shifts to the manufacturer under product liability law.

This distinction is really the heart of the modern liability debate, because the more decisions a system makes on its own, the further responsibility shifts away from the driver and toward the manufacturer. That's also one of the reasons the quality of a vehicle's hardware, such as its sensors for perceiving the environment, can become legally relevant once an accident is traced back to a perception failure.

Automation Levels Determine Personal Liability

How much personal liability a driver carries depends heavily on which automation level the vehicle was operating in at the moment of the crash. The internationally used SAE scale divides autonomous driving into six levels:

1. Level 0: No automation, the driver handles everything.
2. Level 1: Assistance features like cruise control support single tasks.
3. Level 2: Partial automation, for example lane-keeping and adaptive cruise together, but the driver must monitor constantly.
4. Level 3: Highly automated driving, the driver may look away temporarily but must take back control when prompted.
5. Level 4: Fully automated driving within defined operating conditions, no driver intervention needed.
6. Level 5: Fully autonomous driving, no steering wheel, pedals, or driver's license required.

At today's common Levels 1 and 2, which is what most current EVs offer, the driver must keep monitoring the system at all times and be ready to intervene immediately. If a crash happens, liability generally still falls on the driver, because they never fully handed over control. Level 3 is different, and in Germany it was formally written into law with a 2017 amendment to the Road Traffic Act, which took effect on June 21, 2017. Under that law, the driver is permitted to look away from traffic, but must respond promptly once the system issues a takeover request. Fail to react in time, and personal liability kicks in. But if the system is operating legitimately on its own and a crash occurs anyway, the driver is off the hook personally, and product liability against the manufacturer applies instead, covering design or programming defects. Mercedes-Benz's own Drive Pilot already operates right at this legal boundary in Germany today, though the company announced in January 2026 that it's pausing further rollout of the system in newer models while it develops the next generation.

The Event Data Recorder as Key Evidence

To settle disputes over whether a human or the system was actually driving at the moment of a crash, German law requires Level 3 vehicles to carry an event data recorder, commonly called a black box. It logs who had control and whether a takeover request was issued. At the time the amendment was passed, the retention period for this data was capped at six months, extended to three years if the vehicle was involved in an accident. Without this kind of record, fairly assigning fault in automated-driving crashes would be nearly impossible, which is why this technical evidence plays a role in individual cases that's just as central as the broader safety statistics for self-driving cars are to the public debate about their safety overall.

Where Liability Rules Are Headed

The current legal framework is deliberately built as a transitional solution, treating highly automated driving legally much like ordinary human driving, as long as the system is used as intended. But as the industry moves toward Level 4 and eventually Level 5, that balance will keep shifting. In fully autonomous vehicles, where occupants are simply passengers and no driver's license is needed at all, liability moves almost entirely away from the human and onto owner strict liability on one side and manufacturer product liability on the other. The person inside the vehicle becomes, legally speaking, a passenger rather than a potential at-fault party.

What This Means for EV Owners Today

Even though Level 4 and Level 5 vehicles are still mostly a future prospect on public roads, it's worth taking a realistic look at where things stand right now. A few points drivers should already keep in mind:

• At Level 1 and 2, the duty to monitor never goes away, and checking your phone can be treated as a breach of duty of care if a crash follows.
• If you're driving a Level 3 vehicle, know your system's takeover-request response times and test them periodically.
• Make sure your own auto insurer is aware of which assistance systems are installed, to avoid disputes down the line.
• Documentation matters: having access to vehicle data or update history puts you in a much stronger position if there's ever a dispute.
• Regulatory approval, whether through Germany's TÜV and KBA or comparable US and EU authorities, spells out exactly which roads and conditions a system is actually cleared to operate in.

A Look at Where Manufacturers and Regulators Are Heading

Globally, the industry is moving toward higher automation levels faster than Germany's own legal framework might suggest. While German automakers have taken a cautious, incremental approach, other players are already running robotaxi fleets commercially, Waymo across several US cities and various Chinese and other international operators testing similar services abroad. For markets like Germany, the legal status of robotaxis remains very much a work in progress, and new legislation will likely be needed sooner rather than later, especially once genuine Level 4 vehicles without a permanent human backup driver become part of everyday operation. Until then, manufacturers' share of legal responsibility will keep growing right alongside every additional degree of automation added to production vehicles. Alongside the automation of the driving task itself, charging infrastructure keeps evolving too, and our guide to EV fast charging covers how owners can already manage day-to-day charging today, regardless of how much of the driving task their car eventually takes over.

Additional Video

For a closer look at how liability plays out in practice, this video breaks down a real Tesla Autopilot crash lawsuit that is shaping the legal blueprint for future self-driving car liability cases.

Source: Rosenfeld Injury Lawyers LLC – Tesla Autopilot Crash: The Blueprint For Every Future Lawsuit