MPA Electrical 11900 Alternator

Remanufactured Alternator for Mercedes-Benz

MPA Electrical Part Number 11900 is a remanufactured 12-volt alternator built for OE fit, form, and function. It is engineered for Mercedes-Benz charging system applications that require a Bosch-family unit with an internal regulator, internal fan, and clockwise rotation.

This alternator includes a pulley with 6 grooves for a serpentine belt drive and a decoupled clutch pulley. The rear-view plug clock position is 8 o’clock with the main mounting ear at 6 o’clock, helping match the original electrical and mounting layout on the vehicle.

Key Features

• Remanufactured 12.0V alternator
• Bosch family unit with internal regulator
• Internal fan design
• Clockwise (right) rotation
• Pulley included
• 6-groove serpentine pulley
• Decoupled or clutch pulley included
• Rear-view plug clock: 8 o’clock; main mounting ear: 6 o’clock

Product Details

MPA Electrical 11900 is a remanufactured alternator for Mercedes-Benz charging system repair, including Mercedes-Benz C300, Mercedes-Benz GLC300, and Mercedes-Benz Metris applications. It is built to OE specifications and tested with current remanufacturing and validation methods to support proper electrical output and fitment. This part cross-references Bosch-style OE numbers for the same application, including 000 906 93 05 and 000-906-93-05.

Use this alternator when replacing a worn or failed charging unit on 2021-2023 Mercedes-Benz Metris, 2016-2019 Mercedes-Benz GLC300, or 2017-2018 Mercedes-Benz C300 vehicles. Part number 11900 is specified for 12-volt systems with a serpentine belt drive and the listed mounting and connector orientation.

Common Issues This Part Can Address

• Battery warning light caused by alternator output loss
• Low charging voltage during driving or idle
• Dim lights or electrical instability from charging failure
• Noise from a worn pulley or internal alternator wear
• Starting problems related to insufficient system charging

Installation Notes

Verify the vehicle’s original alternator specifications before installation, including voltage, pulley type, rotation direction, connector clocking, and mounting ear position. Confirm belt alignment with the 6-groove serpentine pulley and inspect the charging system, battery condition, and wiring before final startup. For Mercedes-Benz C300, GLC300, and Metris applications, matching the OE-style configuration is important for proper operation.

Quality Assurance

MPA Electrical remanufactured alternators are processed to combine OE-style fitment with modern remanufacturing and testing practices. The goal is a dependable OE replacement for Mercedes-Benz charging system service, including applications covered by this part number 11900.