Product Name: Mercedes-Benz High-Output Alternator (Generator) 180A OE / Cross-Reference Numbers: A0141543902 / 0141543902 / A014154390280 / A01415439020080 / FG18S047 / FGN18S047 / 439704 / 440295 / 11738N / 11738 / 116304 / LRA03471 / LRA3471 / ALV2339AN / 90-22-5703 / etc. (and related Valeo/Mercedes equivalents) Brand Compatibility: Valeo OEM-quality (new or premium remanufactured) – matches Mercedes genuine specifications Key Specifications:
- Voltage: 12V (14V charging system)
- Output Current: 180A (high-output for enhanced electrical demands)
- Pulley: 6-groove freewheel belt pulley (overrunning alternator pulley / OAP / clutch pulley), diameter ≈49.6–50mm
- Rotation: Clockwise (CW)
- Regulator: IR/IF (Internal Regulator / Internal Fan) with compatibility for Mercedes electronics
- Mounting: 4 mounting holes / direct bolt-on (position ≈78°)
- B+ Connection: M8
Compatible Vehicles (common applications – always verify with VIN or dealer):
- Mercedes-Benz GLK-Class (X204) GLK250 BlueTEC / GLK250 CDI 4MATIC (OM651 2.1L diesel) 2013–2015
- Mercedes-Benz E-Class (W212) E250 BlueTEC / E250 CDI 4MATIC (OM651 2.1L diesel) 2014–2016 (select markets/configs)
- Other Mercedes models with OM651 2.1L diesel engine in high-output alternator specs (e.g., select C-Class or export variants)
Product Highlights:
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Strong 180A Output — Provides consistent, high-capacity charging to support premium features like COMAND navigation, premium audio, adaptive headlights, power seats, and diesel electronics without voltage drops or battery drain – ideal for BlueTEC diesel models.
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Exact OEM Fit — Bolt-on replacement for Mercedes part A0141543902 / Valeo FG18S047 / 439704. No modifications required; fully compatible with vehicle ECU and diagnostics.
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Quiet & Durable — Freewheel clutch pulley reduces belt noise, wear, and vibrations for smooth, long-lasting performance in premium diesel applications.
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Premium Quality — Valeo-tested for heat endurance, overspeed, and full-load reliability to match OE standards in demanding conditions.
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Excellent Value — Genuine Mercedes alternators are expensive – this high-spec replacement delivers identical performance at a more competitive price.
Installation Notes:
- Professional installation recommended (engine bay access in these models).
- Inspect serpentine belt, tensioner, and battery condition before fitting.
- After installation: Clear codes with Mercedes diagnostic tool and verify charging voltage (typically 13.8–14.8V under load).
🔥 Mercedes GLK250 / E250 180A Alternator – BlueTEC Diesel Power! OE Cross: A0141543902 / FG18S047 / 439704 / 440295 – Valeo Premium Match! Perfect for 2013–2015 GLK250 (X204) & select E250 (W212) 2.1L OM651 diesel – ends dim lights, weak charging, or electrical strain on your efficient luxury diesel!
- 180A high-output charging
- 6-groove freewheel pulley – quiet & durable
- Direct OEM replacement
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