Mercedes-Benz A2139002834 LED Headlight Control Module - Continental A2C7637700800 - Right Side

Mercedes-Benz A2139002834 LED Headlight Control Module - Continental A2C7637700800 - Right Side

The Mercedes-Benz A2139002834 LED Headlight Control Module (Continental A2C7637700800) is designed for LED High Performance headlamps, typically mounted on the right-side headlight. It manages Daytime Running Lights (DRL), turn signal indicators, and LED lighting functions.

✅ Genuine Continental-manufactured part
✅ Controls DRL, indicators, and more
✅ Designed for right-side headlamp
✅ Coding required after replacement
✅ Common fix for Mercedes headlight warning messages
✅ Direct replacement for faulty OEM modules

Common Warning Messages It Resolves:

• Check Right Low Beam
• Right Dipped Beam
• Front Right Parking Lamp
• Right Daytime Running Lamp

Part Numbers

Mercedes-Benz OEM Part Numbers:

• A2139002834
• A 213 900 28 34
• MA2139002834

Continental Part Number:

• A2C7637700800

Possible Replaces:

• Some variants of A2139002734 (always confirm with VIN or original unit)

Hardware / Software Numbers (example references):

• HW-NR A2139016714
• SW-NR A2139020024

Vehicle Compatibility:

Compatible with LED High Performance Headlamps on the following Mercedes-Benz models:

• E-Class W213 Facelift (2020–2022)
• CLS C257 Coupe (2020–2023)
• GLC C253/X253 Facelift (2019–2023)
• GLB X247 (2021–2023)
• GLE V167/W167 SUV & Coupe (2019–2023)
• EQA W243 / H243 (2021–2022)
• EQB X243 (2022–2023)

⚠️ Always confirm fitment using the part number from your original headlight module or by VIN.

Important Notes:

• Right-side module only
• Coding is required after installation
• Ensure the headlight system is LED High Performance, not Multibeam LED
• Replaces Continental unit A2C7637700800

Condition:

Brand New Unit (OEM-Spec)
✅ 1-Year Warranty Included