UNECE Regulation R152: AEBS Requirements.

The UNECE Regulation R152 is a cornerstone of international vehicle safety standards, defining technical requirements for Advanced Emergency Braking Systems (AEBS) installed in M1 and N1 category vehicles. The regulation’s main goal is to reduce the number and severity of road accidents by enabling automatic vehicle intervention when a frontal collision risk is detected.

What is UNECE Regulation R152

R152 was introduced by the United Nations Economic Commission for Europe (UNECE) to harmonize international standards for AEBS.
The system must be capable of:

  • Detecting potential collision scenarios through sensors (radar, cameras, or combined systems);

  • Alerting the driver via visual or auditory warnings;

  • Automatically braking if the driver does not respond in time.

The Regulation specifies strict performance, reliability, and safety criteria, minimizing the risk of false activations.

Scope and EU Connection

UNECE R152 is part of the European vehicle safety framework and is linked to EU Regulation 2019/2144 (General Safety Regulation). Since 2022, AEBS systems compliant with R152 have become mandatory for new vehicle types, progressively extending to new registrations. Compliance with R152 is therefore essential for type approval and access to European and international markets.

Main Technical Requirements and Testing

The Regulation defines:

  • Standardized test scenarios (vehicle-to-vehicle collisions);

  • Speed, deceleration, and distance conditions;

  • System intervention criteria;

  • Driver information and deactivation requirements.

Approval testing ensures the AEBS can prevent collisions or significantly reduce impact severity while maintaining vehicle control.

ATS Group Support for UNECE R152 Compliance

ATS Group assists manufacturers, importers, and automotive suppliers with:

  • Regulatory analysis and gap assessments related to UNECE R152;

  • Technical support for ADAS compliance and approval;

  • Documentation review and liaison with regulatory authorities;

  • Integrated consulting for alignment with UNECE and EU standards.

With extensive experience in regulatory compliance and vehicle safety, ATS Group is a trusted partner for navigating AEBS and advanced driver assistance system requirements.

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