Description
Mercedes-Benz A2539066500 LED DRL Control Module – Left Side Headlight
OEM Replacement | Fits GLC Models with AFS | LED DRL Control
Product Overview
This Mercedes-Benz A2539066500 LED Daytime Running Light (DRL) Control Module is a direct OEM-spec replacement for the left-side headlight (passenger side in UK RHD vehicles). Designed for two-lens high-end LED headlights with AFS (Adaptive Front-lighting System), it restores correct DRL operation, delivering consistent brightness and reliability.
For the right-side version, see our Mercedes-Benz A2539066600 LED DRL & Indicator Control Module – Right Side Headlight.
Key Features
✅ OEM-Equivalent Quality – Matches Mercedes-Benz factory specifications
✅ Controls LED DRL Output – Maintains stable brightness & function
✅ AFS Compatible – Works with Adaptive Front-lighting System headlights
✅ Plug-and-Play Fitment – No modifications needed
✅ UK RHD Fitment – Left = Passenger side
Compatible Part Numbers
- A253 906 65 00
- 253 906 65 00
- A2539066500
Vehicle Compatibility (UK RHD)
Fits Mercedes-Benz GLC SUV (X253) and GLC Coupé (C253) with two-lens LED headlights & AFS, including:
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Petrol: GLC 200, 250, 260, 300, 350e, 400, AMG 43, AMG 63, AMG 63 S
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Diesel: GLC 200d, 220d, 250d, 300d, 350d, 400d, 300de
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Hybrid / Special: GLC 200 EQ Boost, 300 EQ Boost, F-CELL
Production years: 2015–2023 (model dependent)
Common Fault Symptoms
⚠️ DRL not illuminating
⚠️ DRL flickering or intermittent operation
⚠️ Dashboard headlight/DRL fault warning
⚠️ Dimmer DRL on one side compared to the other
Installation Notes
- Position: Left-side / Passenger side (UK RHD)
- Direct swap for the original module
- Always confirm headlight type & part number before purchase
- Professional installation recommended
Warranty & Quality
1-Year Warranty – Covers manufacturing faults and premature failure
Pro Tip: Inspect headlight seals during replacement to prevent future moisture ingress and module damage.
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