Mercedes-Benz A2479003603 Headlight Ballast Control Module

The Mercedes-Benz A2479003603 Headlight Ballast Control Module regulates power and controls LED headlamp operation in OEM LED headlight systems for Mercedes-Benz A-Class W177 and B-Class W247 vehicles. This direct-fit, new OEM replacement features an aluminum alloy housing with integrated electronic circuitry and is designed for installation in the headlight assembly to restore proper LED headlamp performance. Common uses include headlight module replacement, lighting system diagnostics, and front lighting repairs to maintain OEM lighting performance in compatible systems. Manufacturer Part Number A2479003603, Brand Mercedes-Benz, and common replacements such as LED Headlight Driver Module and Headlight Control LED Module are typical references for sourcing this ballast module.