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Bi-Xenon projector headlamp assembly for the first-gen Mercedes-Benz GL-Class (X166, pre-facelift 2013–2015). Shaped for correct beam pattern, mounting and panel gap. Ideal replacement for crash damage, yellowed lenses or failed internals. Sold per side — choose Left or Right.
What this is:
Included: 1× complete xenon-type headlamp
Key Features:
Fit & Optics: Designed for X166 GL pre-facelift lamps.
Material: Polycarbonate lens.
Module-Ready: Accepts your original ballast/igniter/AFS hardware (no re-engineering).
Variants: RHD/LHD variants available; select for your market.
Compatibility:
GL-Class (X166) — 2013–2015 pre-facelift Bi-Xenon/ILS vehicles.
Not for GLS (X166 facelift, 2016–2019) or ML/GLE (W166), and not for full-LED headlamps.
Always confirm by VIN And visually match your original lamp (shape, brackets, connector).
What’s Included / Not Included:
Included: Headlamp assembly (xenon type), side-specific.
Not included: Bulb, ballast/igniter/ECU, AFS motor, rear caps, seals, wiring.
Installation Notes (Pro Tips):
Disconnect battery; transfer all original electronics (ballast/igniter/AFS/DRL driver) to this housing.
Inspect and reseal vents/caps to prevent condensation; replace gaskets if perished.
After install, set headlight aim; if equipped with AFS/auto-levelling, perform calibration using Mercedes-capable diagnostics (e.g., Xentry).
If your old lamp had water ingress, dry the connectors and check harness pins for corrosion before re-use.
Q&A
Q1: Can I use this to convert halogen to xenon?
A1: No. Xenon systems require different wiring, sensors and control units. Use only as like-for-like replacement.
Q2: Does it come with ballast and bulb?
A2: No — reuse your originals or purchase replacements separately (match bulb type D1S/D3S As per your vehicle).
Q3: Will it fit the GLS (2016–2019)?
A3: No. The GLS facelift uses different lamp tooling and electronics.
Q4: Left or Right?
A4: Lamps are side-specific. On right-hand-drive vehicles, Left = passenger, Right = driver. Verify by VIN and bracket layout before ordering.
Condition: New aftermarket replacement part. Not an original Mercedes-Benz part; brand and model names are used only to show fitment.


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