
UN ECE R52 tests cover a series of tests carried out in accordance with the relevant regulation for the evaluation of small vehicles in categories M1 and M3 in terms of their general structure.

ECE regulations define cross-border technical regulations for establishing approval or uniform approval procedures for motor vehicles and motor vehicle parts. Automated commercial vehicles are already fully eligible for approval only through appropriate individual measures in the country in which they will be used. What is missing is a set of rules at the international ECE level.
Regulation No. 52 (UN/ECE) of the United Nations Economic Commission for Europe — It covers the uniform provisions regarding the approval of the general structures of M2 and M3 small-capacity vehicles and the tests applied accordingly.
This Regulation applies to single-deck rigid vehicles of category M22 and M2 3/, designed and manufactured for the carriage of seated or standing persons and whose capacity does not exceed 1 passengers in addition to the driver.
There are two types of vehicles in this category;
Within the scope of the regulation, many mechanical, dynamic and environmental tests are carried out as well as measurements for the approval of the relevant equipment. For tests to be considered successful, test results must meet regulatory requirements.
