HID Xenon Headlight Ballast Control Unit for Mercedes E Class W212 2010-2014 OEM

Restore proper headlight function with this replacement control module or ballast. Engineered to OEM specifications, it controls your vehicle's HID or LED headlights. This HID xenon headlight control unit is for the Mercedes-Benz E-Class (W212). The title gives 2010-2014, and the live fitment runs from 2009 to 2016.

Features

• 5DC009060-20/AN
• A2129007804
• Quantity: 1 ballast
• Type printed on the label: AFS-GDL-Steuergerät 12 V
• Rating printed on the label: 35 W, 1100 V DC / 85 V AC
• Bulb type printed on the label: D1S
• Hardware number printed on the label: A2128205626
• Software number printed on the label: A2129024202
• Mounting: screw-on
• Country of origin on the listing: Germany
• Direct replacement for failed or flickering headlight ballasts
• Plug-and-play design; no coding required
• Manufactured to OEM standards for reliable performance

Compatibility

• Mercedes-Benz E-Class (W212) 2009-2016
• Mercedes E Class W212 2010-2014 Oem

Installation

1. Disconnect the battery.
2. Remove the headlight and unplug the old module.
3. Fit this unit and reconnect the wiring.
4. Refit the headlight, reconnect the battery and check the lights.
5. Disconnect the vehicle battery.
6. Remove the headlight assembly and locate the ballast/control module.
7. Unplug the wiring, remove the faulty module and install the new one.
8. Reassemble the headlight and reconnect the battery.

Notes

• Compare 5DC009060-20/AN or A2129007804 with your original module before ordering.
• A2128205626 and A2129024202 are the hardware and software numbers on the label, not separate catalogue part numbers.
• The title says 2010-2014. The live fitment is E-Class (W212) 2009-2016.
• A like-for-like new module is usually plug-and-play. Adaptive or AFS systems may still need coding if a warning remains.
• Professional fitting is recommended because of the high voltage.
• Coding: like-for-like new ballast/driver replacements that match the OE part number are typically plug-and-play with no coding required. Always match the number on your original module. Adaptive/AFS headlight systems or used modules may still need coding, initialisation or fault clearing with diagnostic tools if warnings remain.
• Professional installation is recommended.
• Match the part number on your original module before ordering.
• Includes a 1 year warranty covering manufacturing defects.