MPA Electrical 10189 Alternator

Remanufactured Alternator for Mercedes-Benz Charging Systems

MPA Electrical 10189 is a remanufactured 12-volt alternator built for Mercedes-Benz charging system applications that require a Valeo-style unit with a 6-groove serpentine pulley. It delivers 180 amps of output with an internal regulator and internal fan for controlled charging performance.

This remanufactured alternator is a direct-fit option for select Mercedes-Benz E300, E350, and C350 applications. Part number 10189 is also a useful reference when comparing OE and aftermarket charging system replacements.

Key Features

• 180 amp output for high-demand electrical systems
• 12-volt alternator with internal voltage regulator
• Internal fan design for integrated cooling
• 6-groove serpentine pulley
• Clockwise rotation with 4:00 clock position
• Remanufactured by MPA Electrical
• Manufactured for Valeo alternator applications

Product Details

MPA Electrical’s Remanufactured line focuses on rebuilt electrical components for charging and starting systems. This alternator is engineered around the listed Valeo configuration, including the pulley style, rotation, clock position, and internal regulator layout, making it a practical replacement for vehicles that call for the same setup. Use part number 10189 when verifying application details against the original unit or catalog references.

This part cross-references Unity Automotive 11804 for the same application.

Vehicle Fitment

• Fits 2012-2016 Mercedes-Benz E300, N/A, Remanufactured
• Fits 2015-2016 Mercedes-Benz E350, N/A, Remanufactured
• Fits 2012 Mercedes-Benz E350, N/A, Remanufactured
• Fits 2013-2014 Mercedes-Benz E350, N/A, w/ Standard Pulley; Remanufactured
• Fits 2012 Mercedes-Benz C350, N/A, w/ Valeo alt.; Remanufactured

Common Charging System Issues It Can Address

• Low battery charging output
• Battery warning light illumination
• Dim lights or unstable electrical performance
• Alternator bearing or internal regulator failure
• Charging system noise tied to a worn alternator assembly

Installation Notes and Tips

Confirm pulley groove count, rotation, clock position, and regulator style before installation. Verify the vehicle’s original alternator matches the Valeo-based configuration and compare the existing unit to part number 10189 for proper application matching. After installation, inspect belt condition, belt alignment, battery state of charge, and charging voltage to confirm system operation.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for charging-system replacement use and are intended to meet the listed application and configuration requirements for Mercedes-Benz E300, Mercedes-Benz E350, and Mercedes-Benz C350 fitments.