Description
Mercedes-Benz A2539066600 LED DRL & Indicator Control Module – Right Side Headlight
OEM Replacement | Fits GLC Models with AFS | Controls DRL & Indicator
Product Overview
The Mercedes-Benz A2539066600 module is a direct OEM-spec replacement for the right-side headlight (driver side in UK RHD vehicles) on GLC models.
It controls both the LED Daytime Running Light (DRL) and the turn indicator within high-end two-lens LED headlights featuring AFS (Adaptive Front-lighting System).
For the left-side version, see our Mercedes-Benz A2539066500 LED DRL Control Module – Left Side Headlight.
Key Features
✅ OEM-Equivalent Quality – Matches original Mercedes-Benz specifications
✅ Controls LED DRL & Indicator – Ensures correct operation and brightness
✅ AFS Compatible – Works with Adaptive Front-lighting System headlights
✅ Plug-and-Play Fitment – Quick, direct swap for the original module
✅ UK RHD Fitment – Right side = driver side
Compatible Part Numbers
- A253 906 66 00
- 253 906 66 00
- A2539066600
- ZKW 18442-1R
Vehicle Compatibility (UK RHD)
Fits Mercedes-Benz GLC SUV (X253) and GLC Coupé (C253) with two-lens LED headlights & AFS, including:
- Petrol: GLC 200, 250, 260, 300, 350e, 400, AMG 43, AMG 63, AMG 63 S
- Diesel: GLC 220d, 250d, 300d, 350d, 400d, 300de
- Hybrid / Special: GLC 200 EQ Boost, 300 EQ Boost, F-CELL
Production years: 2015–2023 (model dependent)
Common Fault Symptoms
⚠️ DRL not illuminating
⚠️ DRL or indicator flickering/intermittent
⚠️ Dashboard warnings for headlight/DRL/indicator faults
⚠️ One DRL or indicator dimmer than the other
Installation Notes
- Position: Right-hand side / Driver side (UK RHD)
- Direct replacement – no modifications required
- Confirm headlight type & part number before purchase
- Professional fitting recommended for best results
Warranty & Quality
1-Year Warranty – Covers manufacturing defects and early failure
Pro Tip: Inspect headlight seals during module replacement to prevent moisture ingress and extend component life.
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