Builtin high pressure bag for fast startup & safe stability Aluminum shell for better heat dissipation and vibration resistance performance Treated with adhesive glue irrigation for better waterproof & shockproof performance Easy installation,just plug and play without any program or code 6 protections against overpressure,low pressure,overheating,no-load,short circuit,reverse connection for more safety and durability Type: Car Headlight Programmable Control Unit Module Ballast Condition: Fitment:Direct Replacement Placement on Vehicle:Left Side Part Number: A2229003013 A2139005711 Interchange Part Number:A 222 900 30 13 A 213 900 5711 Fitment: For E-Class W213 2016-2020 E 200 E 300 E200 4MATIC E 320 4MATIC E 43 4MATIC E 63 S 4MATIC+ Color: black+silver Material: plastic + metal Package Contents: 1 x Headlight Control Unit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.