Hella 008855017 High Intensity Discharge (HID) Headlight Control Module

HELLA HID Headlight Control Module

The HELLA High Intensity Discharge (HID) Headlight Control Module helps regulate xenon headlight output for steady illumination and dependable operation. Built as Genuine OE from HELLA, this 12V control unit is used on a wide range of Audi, Mercedes-Benz, BMW, Saab, Ford, Rolls-Royce, and other xenon-equipped vehicles.

Part number 008855017 is a direct-fit style solution for drivers searching for a Mercedes-Benz GL450 HID headlight control module, Audi A6 xenon ballast replacement, or BMW X5 HID lighting control unit.

Key Features

• Genuine OE from HELLA for factory-style fit and function
• 12V HID headlight control module for xenon lighting systems
• Integrated control and safety circuits help protect the module from failure
• Supports stable xenon headlight performance and consistent illumination
• Black oval female connector with blade and pin terminals
• Plastic housing for under-hood lighting system use
• Part number 008855017 for easy identification

Product Details

This HELLA HID headlight control module manages xenon headlight operation by regulating power and monitoring system behavior. The internal control and safety circuits are built to support reliable lighting performance and extend service life. It is a 12V unit with a black oval connector, female connector gender, and mixed blade/pin terminal design for the listed xenon applications.

Compatible vehicle coverage includes Fits 2005-2011 Audi A6, N/A; Fits 2007-2011 Audi S6, N/A; Fits 2007-2012 Mercedes-Benz GL450, N/A; Fits 2003-2011 Mercedes-Benz ML350, N/A; Fits 2004-2006 BMW X5, N/A; and Fits 2004-2009 Rolls-Royce Phantom, N/A. This part cross-references Mercedes-Benz A 002 820 23 26 and BMW 63126907488 for the same application.

Common Issues This Part May Resolve

• Intermittent xenon headlight operation
• Dim, unstable, or inconsistent HID output
• Headlight control module failure codes
• Loss of low-beam xenon function on equipped vehicles
• Lighting performance problems caused by a failing ballast/control unit

Installation Notes

Assy/Disassy by Qualified Personnel Required. Control unit/software must not be trained or updated. Verify connector shape, terminal layout, and 12V system requirements before installation. Confirm the vehicle uses xenon lighting and match the part number 008855017 to the original unit before replacement.

Quality Assurance

Genuine OE from HELLA supports factory-level application matching and long-term reliability for xenon lighting systems. The module is built with integrated protection circuits to help maintain stable operation in the listed vehicle applications.