MPA Electrical 15991 Alternator

Remanufactured Alternator for Mercedes-Benz

MPA Electrical Part Number 15991 is a remanufactured 12-volt alternator built for OE fit, form, and function. It is engineered for Mercedes-Benz charging system service with an internal regulator, internal fan, clockwise rotation, and a 115-amp output rating.

This Bosch-family alternator includes the pulley and uses a 6-groove pulley design. It is a direct replacement choice for Mercedes-Benz C280, C36 AMG, and E320 applications from the mid-1990s, including 1995-1997 Mercedes-Benz C36 AMG and 1996-1997 Mercedes-Benz C280 and E320.

Key Features

• 12.0-volt remanufactured alternator
• 115.0 amp output rating
• Internal voltage regulator
• Internal fan design
• Clockwise (right) rotation
• Pulley included with 6 grooves
• Bosch family construction
• Rear view main mounting ear at 6 o'clock plug clock position: 7

Product Details

MPA Electrical 15991 is remanufactured using testing and remanufacturing processes intended to restore OE-style charging performance. The unit is specified for Mercedes-Benz charging and starting systems where a Bosch-family alternator with internal regulation and a 6-groove pulley is required. Part number 15991 is also a useful reference when sourcing a replacement alternator for 1995-1997 Mercedes-Benz C36 AMG, 1996-1997 Mercedes-Benz C280, and 1996-1997 Mercedes-Benz E320.

This part cross-references Mercedes-Benz OE numbers 010-154-12-02 and 010-154-52-02 for the same application.

What It Helps Address

• Battery warning light caused by charging system failure
• Low system voltage during driving or idle
• Dim lights and electrical instability
• Weak battery charging after startup
• Alternator noise or inconsistent output

Installation Notes and Tips

Verify pulley groove count, rotation direction, plug clock position, and mounting ear orientation before installation. Confirm the vehicle uses a 12-volt Bosch-family alternator with an internal regulator and included pulley. Match the application to the exact Mercedes-Benz model and year listed for 15991 before replacing the unit.

Quality Assurance

MPA Electrical remanufactured alternators are built to OE fit, form, and function standards and are tested with current remanufacturing equipment to support consistent replacement quality.