Description: Replacement part number: A2228700789 A2228700689 A2C73624405 A2228700589. Fitment: For C-Class W205; CLS-Class C218; CLS-Class Shooting Brake X218; E-Class Coupe C207; E-Class A207; E-Class T-Modell S212; E-Class Limousine W212; GL-Class X166; ML-Class W166; S-Class Coupe CL W217; S-Class W222; V-Class W447. Headlight ballast replacement, headlight control unit. The product uses C-BUS intelligent chip, no programming or coding. Perfect replacement for your old or broken parts. Easy installation, excellent fitment, perfectly fits with the car. Note: Please check the relevant model information carefully before purchasing so that you can purchase a suitable product. Specification: Material: Aluminum Alloy Weight: 250g Package Includes: 1 x Ballast Control Module Note: 1. Please allow 1-3mm error due to manual measurement. 2. Please enjoy your online shopping.