E/e-mark Certification E/e-Mark is a certificate issued by the European Common Market for motor vehicles and their safety parts and accessories, noise and exhaust gas, etc., in accordance with European laws and regulations, to ensure the safety of vehicles and environmentalprotection. The product has an E/e-mark certification mark, indicating that the product meets the standard requirements. If the product does not have an E/e-mark logo, it is forbidden to be sold in the market.