CARDVD Mercedes LED Headlight Module A2479004204 - Right Side

Mercedes-Benz LED Headlight Control Module - Right Side

A2479004204 | Full LED High Performance / Multibeam

High-quality aftermarket right-side LED headlight control module suitable for selected Mercedes-Benz vehicles equipped with Full LED High Performance or Multibeam LED headlight systems.

This unit is designed as a replacement for the original Mercedes-Benz A2479004204 module and controls key headlight functions including the low beam, daytime running light and front turn signal.

Product Details

• Part Number: A2479004204
• Alternative Format: A247 900 42 04
• Position: Front Right Headlight
• Headlight Type: Full LED High Performance / Multibeam LED
• Product Type: LED Headlight Control Module
• Condition: Brand New Aftermarket Replacement
• Installation: Direct-fit replacement
• Coding: Required after installation

Main Functions

This module controls compatible headlight functions including:

• Low Beam / Dipped Beam
• Daytime Running Light (DRL)
• Front Turn Signal / Indicator
• Compatible LED headlight control functions

Continental / VDO Cross References

• A2C7530742300
• A2C7530742200
• A2C7530742400

Mercedes-Benz Reference Numbers

Depending on vehicle specification and headlight version, this module may correspond with the following Mercedes-Benz references:

• A2479004204
• A2139002734
• A213900273464
• A2139002834
• A213900283480
• A2479001702
• A2479003603
• A2479003403
• A2479003904

Hardware References

• A2479018302
• A2479015601
• A2479010902

Software References

• A2479026401
• A2479020201
• A2479023401

Vehicle Compatibility

Suitable for selected Mercedes-Benz vehicles including:

• A-Class W177
• B-Class W247
• CLA C118
• C-Class W205 / S205 / C205 / A205
• GLC X253 / C253
• GLE W167 / C167
• GLB X247
• GLA H247
• GLS X167
• G-Class W463
• Sprinter W907 / W910

Compatibility depends on the exact headlight system and original control module fitted to the vehicle.

High Performance LED Applications

May be suitable for selected:

• A-Class W177 - 2018-2021
• B-Class W247 - 2018 onward
• CLA C118 - including CLA220d, CLA250 and CLA45 AMG
• C-Class W205 facelift variants
• GLC X253 / C253
• GLE W167 / C167
• GLB X247
• GLA H247
• GLS X167
• G-Class W463
• Sprinter W907 / W910 - selected 2018-2022 applications

Multibeam LED Applications

Also used on selected Mercedes-Benz models equipped with Multibeam LED, including certain:

• A-Class W177 / V177
• CLA Coupe / Shooting Brake
• C-Class W205 facelift
• GLA
• GLB
• GLE
• GLS

Petrol, diesel and plug-in hybrid variants may use this module depending on factory headlight specification.

Common Symptoms of a Faulty Module

A failed headlight control unit may cause:

• "Intelligent Light System Inoperative" warning
• right dipped beam malfunction
• right daytime running light fault
• front right indicator malfunction
• headlight range adjustment fault
• intermittent headlight operation
• communication errors with the LED headlight system

Possible Diagnostic Trouble Codes

Faults associated with a failed or incorrectly configured module may include:

• B285755
• B286055
• U117B00
• U118A00
• U118A02
• B210F14

Diagnostic codes should always be interpreted together with the vehicle's complete fault scan.

Important Fitment Notice

Mercedes-Benz vehicles may use different headlight modules that look physically similar but have different hardware, software or coding requirements.

Before purchasing, confirm:

• original module part number
• right-side application
• headlight type
• hardware/software references where applicable
• connector configuration
• vehicle VIN

For best results, match A2479004204 directly against the original unit fitted to the vehicle.

Coding / Programming Required

Although the module is designed as a direct-fit replacement, coding or programming is required after installation.

Professional installation using compatible Mercedes-Benz diagnostic equipment is strongly recommended.

What's in the Box

• 1 x Mercedes-Benz Right-Side LED Headlight Control Module - A2479004204

Important Note

This is a high-quality aftermarket replacement and is not a genuine Mercedes-Benz OEM part.

What's in the box
1 X Module