Marelli LRE539 Lighting Control Module

Lighting Control Module Overview

The Marelli LRE539 lighting control module is a direct-fit electrical control component for select Audi applications. It is built for vehicles that rely on integrated lighting management and precise module communication.

Compatible with Audi S4, Audi A4, Audi S5, Audi A4 Quattro, Audi A4 allroad, and Audi A5 Quattro applications, this module supports replacement needs where the original unit has failed or is no longer functioning correctly. The LRE539 part number is the reference to verify before ordering.

Key Features

• Lighting control module for vehicle electrical system repair
• Direct-fit replacement format for listed Audi applications
• Supports integrated lighting control functions
• Marelli OE-focused electrical component line
• Part number LRE539 for accurate identification

Detailed Description

The Marelli LRE539 is a lighting control module used in select Audi models from 2017 through 2025. It is intended for vehicles that use a centralized module to manage lighting-related electrical functions, making it a practical replacement when the original module is faulty, intermittent, or no longer communicating properly with the system. This part fits 2017-2025 Audi S4, 2017-2024 Audi A4, 2018-2024 Audi S5, 2017-2021 Audi A4 Quattro, 2017-2020 Audi A4 allroad, and 2018-2020 Audi A5 Quattro. Verify the LRE539 part number against the original unit before installation.

For Audi A4 and Audi S4 owners, this module provides a replacement path for lighting control issues tied to the vehicle’s electrical architecture. The same applies to Audi A5 Quattro and Audi A4 allroad applications listed in the fitment data, where module-level control is part of the lighting system design.

Common Issues This Part May Address

• Inoperative exterior lighting functions caused by a failed control module
• Intermittent lighting behavior linked to electrical module faults
• System communication errors involving the lighting control unit
• Replacement needs after diagnostic confirmation of module failure
• Restoration of lighting control operation in supported Audi models

Installation Notes and Tips

Confirm the original part number and compare it to LRE539 before ordering. Diagnose the lighting system and related electrical faults before replacing the module, since wiring, connectors, or other control components can produce similar symptoms. Programming or coding requirements may apply depending on the vehicle configuration and service procedure.

Quality Assurance

Marelli supplies electrical and lighting components for automotive applications, and this module is identified by the LRE539 part number for fitment verification and service accuracy.