1. The product is made of premium material with sturdy and exquisite workmanship that mostly improve its durability in use,practical and . 2. It is easy to install without any modification that it could for your car due to its manufacture part number standard. 3. Perfect to replace worn out, or broken . quality control standards for the long service life. 4. Stable performance,high reliability.Professional Performance Auto parts supplier. Control unit module is a necessary parts in HID,the quality of ballast directly affects the function and life of xenon lamp.Protection function should have over pressure protection,low pressure protection,no-load protection,short circuit protection,reverse connection protection,waterproof and anti-vibration performance and so on. Description: Condition: Placements:Right Side Fitment Type:Direct Replacement Part Number:A2229003013,2229003013,A222 900 30 13 Other Part Number: A2229000515,2229000515,A222 900 05 15 A2139007308,2139007308,A213 900 73 08 A2139005006,2139005006,A213 900 50 06 A2139005304,2139005304,A213 900 53 04 Compatible for:(For The Reference Only) C-Class W205 S205 2017- E-Class W213 S213 2016- S-Class W222 X222 2017- E-Class Coupe C238 2016- E-Class Cabriolet A238 2017- -Class Coupe C257 2018- G-Class W463 2018- Colour:silver Material:Metal Package Contents: 1 x LED Headlight Ballast 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.