MPA Electrical 11310 Alternator

Remanufactured 220 Amp Alternator for Mercedes-Benz

This MPA Electrical remanufactured alternator is built for 12-volt charging systems that need a high-output replacement with Bosch-style fitment details. It features a 220 amp rating, internal fan, internal regulator, clockwise rotation, and a 6-groove serpentine pulley for the specified Mercedes-Benz applications.

Key Features

• 220 amps for high-capacity charging demand
• 12-volt electrical system application
• Internal regulator for integrated voltage control
• Internal fan for alternator cooling
• 6-groove serpentine pulley
• Clockwise rotation
• Remanufactured by MPA Electrical
• Built to Bosch alternator specifications

Product Details

MPA Electrical Part Number 11310 is a remanufactured alternator for Mercedes-Benz charging system service where Bosch 220 amp alternator specifications are required. This unit is listed with a 12:00 clock position and is intended for vehicles using a side-facing battery post in the applicable S-Class and CL-Class configurations. Part number 11310 also cross-references BBB Industries 11310 for the same application.

Compatible With Mercedes-Benz CL550, 2009-2010; Mercedes-Benz S450, 2008 and 2010; and Mercedes-Benz S550, 2007-2010, in the listed configurations. Use this alternator when replacing a failed high-output charging unit on Mercedes-Benz S550 or Mercedes-Benz CL550 models that call for the Bosch 220 amp design.

Common Issues This Part May Resolve

• Battery warning light caused by alternator output loss
• Low charging voltage at the battery
• Dim lights or electrical instability during driving
• Charging system failure on high-demand electrical loads
• Noise or wear associated with a failing alternator assembly

Installation Notes and Tips

Verify the Bosch alternator specification, pulley groove count, rotation direction, and clock position before installation. Confirm vehicle application by year, model, and VIN break where noted, especially for the 2010 Mercedes-Benz S550 through chassis/VIN A 322942. Check the battery and charging circuit condition after installation to confirm proper system voltage.

Quality Assurance

This MPA Electrical remanufactured alternator is rebuilt for the listed application details and high-capacity charging requirements. It is specified as a Bosch-based replacement for Mercedes-Benz charging system service.