Car Pulley Car Alternator Regulator A2711540902 for Mercedes-Benz C180/C200 (02-07)

Product Name: Mercedes-Benz High-Output Alternator (Generator) 120A OE / Cross-Reference Numbers: A2711540902 / 2711540902 / A2711540802 / 2711540802 / 2711540202 / 0124515088 / 0124515198 / 0986045380 / 0986045387 / SG12B062 / 439471 / 2542582 / 2542582A / 2542582B / AL0810 / etc. (and related Bosch/Valeo/Mercedes equivalents) Brand Compatibility: Bosch / Valeo OEM-quality (new or premium remanufactured) – matches Mercedes genuine specifications Key Specifications:

• Voltage: 12V (14V charging system)
• Output Current: 120A (high-output for enhanced electrical demands)
• Pulley: 7-groove freewheel belt pulley (overrunning alternator pulley / OAP / clutch pulley), diameter ≈ approx. 55-60mm range
• Rotation: Clockwise (CW)
• Regulator: IR/IF (Internal Regulator / Internal Fan) with compatibility for Mercedes electronics
• Mounting: 4 mounting holes / direct bolt-on
• B+ Connection: M8

Compatible Vehicles (common applications – always verify with VIN or dealer):

• Mercedes-Benz C-Class W203 / S203 (C180 Kompressor, C200 Kompressor, C230 Kompressor) 2003–2005
• Mercedes-Benz CLK-Class C209 / W209 (CLK200 Kompressor) 2003–2009
• Mercedes-Benz E-Class W211 (E200 Kompressor) 2003–2006
• Mercedes-Benz SLK-Class R171 (SLK200 Kompressor) 2004–2008
• Other Mercedes models with M271 1.8L supercharged engine (e.g., select CLC-Class or export variants)

Product Highlights:

1. Reliable 120A Output — Delivers consistent charging to support premium features like navigation, premium audio, power seats, adaptive lighting, and supercharged engine demands without voltage drops or battery drain.
2. Exact OEM Fit — Bolt-on replacement for Mercedes part A2711540902 / Bosch 0124515088 / Valeo SG12B062. No modifications required; fully compatible with vehicle ECU and diagnostics.
3. Quiet & Durable — Freewheel clutch pulley reduces belt noise, wear, and vibrations for smooth, long-lasting performance in premium applications.
4. Premium Quality — Bosch/Valeo-tested for heat endurance, overspeed, and full-load reliability to match OE standards in demanding conditions.
5. Excellent Value — Genuine Mercedes alternators are expensive – this high-spec replacement delivers identical performance at a more competitive price.

Installation Notes:

• Professional installation recommended (tight engine bay 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 C230 / CLK200 / E200 120A Alternator – Kompressor Charging Power! OE Cross: A2711540902 / 0124515088 / SG12B062 / 0986045380 – Bosch/Valeo Premium Match! Perfect for 2003–2005 1.8L supercharged models (C230 W203, CLK200 C209/W209, E200 W211) – ends dim lights, weak charging, or electrical strain on your supercharged Mercedes!

  • 120A high-output charging
  • 7-groove freewheel pulley – quiet & durable
  • Direct OEM replacement