Remy 12432 Alternator

Remanufactured 150 Amp Alternator

This Remy Premium Remanufactured alternator is built for 12-volt charging systems and delivers a 150 amp amperage rating with an internal voltage regulator. It includes a pulley, uses clockwise rotation, and features an internal fan for OE-style charging performance on supported Mercedes-Benz applications.

Part number 12432 is a remanufactured Bosch unit from Remy’s Premium Remanufactured line, made for drivers who need a direct-fit charging component for select Mercedes-Benz models. If you are searching for a Mercedes-Benz E500 alternator, S500 alternator, or SL500 alternator replacement, this unit matches multiple 150 amp OE configurations.

• 150 amp output for 12V charging systems
• Internal voltage regulator for integrated control
• Internal fan design
• Pulley included
• Clockwise rotation
• Remanufactured Bosch OE manufacturer unit

Vehicle Fitment

• Fits 2005-2009 Mercedes-Benz SLR McLaren, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2002-2006 Mercedes-Benz CL500, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2006 Mercedes-Benz CLS500, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2003-2006 Mercedes-Benz E500, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2006 Mercedes-Benz S350, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2002-2006 Mercedes-Benz S430, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2002-2006 Mercedes-Benz S500, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2002-2006 Mercedes-Benz SL500, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2004-2005 Mercedes-Benz E320, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2002-2003 Mercedes-Benz CLK430, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2003 Mercedes-Benz E320, N/A. Bosch unit; 150 amps; Premium Remanufactured.
• Fits 2002 Mercedes-Benz E430, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.
• Fits 2002 Mercedes-Benz E55 AMG, N/A. Compatible with multiple 150 Amp alternator variants; Premium Remanufactured.

What This Alternator Helps Fix

• Battery warning light caused by charging system output loss
• Low system voltage during driving or idle
• Dim lights and electrical instability
• Battery drain from an alternator that is not maintaining charge
• Charging failure on Mercedes-Benz E500, S500, SL500, and related applications

Installation Notes

Verify the OE manufacturer, amperage rating, pulley style, rotation direction, and regulator type before installation. This part number 12432 is listed for multiple Mercedes-Benz applications with 150 amp alternator variants, so matching the original unit specifications is important for proper fitment.

For best results, inspect the belt, battery condition, and charging circuit before replacing the alternator. Confirm the vehicle’s original Bosch-style configuration when servicing Mercedes-Benz E320, S430, or CL500 charging systems.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to restore OE-style function using the original Bosch application as the reference platform. Part number 12432 is built for direct replacement use in supported Mercedes-Benz charging systems.

This part cross-references Bosch-style applications for the same use case, including 0-124-615-012 and 0-124-615-044.