Remy 12975 Alternator

Remanufactured Alternator for Mercedes-Benz AMG Applications

Remy Premium Remanufactured alternator Part Number 12975 is a 12-volt charging system component built for select Mercedes-Benz AMG models. With a 180-amp output, internal voltage regulation, and an internal fan, it supports stable electrical performance in demanding factory-equivalent applications.

The Premium Remanufactured line focuses on remanufactured OE-style components for drivers who need a direct-fit charging solution. This alternator is OE manufacturer Bosch and includes a pulley, with clockwise rotation for the listed Mercedes-Benz AMG fitments.

Key Features

• 180 amp alternator output for high electrical demand
• 12V system with internal voltage regulator
• Internal fan design for charging system cooling
• Pulley included for the listed application
• Remanufactured to match OE-style fitment requirements
• OE manufacturer reference: Bosch
• Part number 12975 for ordering and cross-reference use

Fitment Details

• Fits 2008-2015 Mercedes-Benz C63 AMG, N/A; 180 Amps - specific for Alternator; Premium Remanufactured
• Fits 2011-2012 Mercedes-Benz SL63 AMG, N/A; 180 Amps - specific for Alternator; Premium Remanufactured
• Fits 2009 Mercedes-Benz SL63 AMG, N/A; 180 Amps - specific for Alternator; Premium Remanufactured
• Fits 2007-2011 Mercedes-Benz CLS63 AMG, N/A; 180 Amps - specific for Alternator; Premium Remanufactured
• Fits 2007-2011 Mercedes-Benz E63 AMG, N/A; 180 Amps - specific for Alternator; Premium Remanufactured
• Fits 2007-2011 Mercedes-Benz ML63 AMG, N/A; 180 Amps - specific for Alternator; Premium Remanufactured
• Fits 2010 Mercedes-Benz SL63 AMG, N/A; 180 Amps; Premium Remanufactured
• Fits 2007-2009 Mercedes-Benz CLK63 AMG, N/A; 180 Amps - specific for Alternator; Premium Remanufactured
• Fits 2007 Mercedes-Benz R63 AMG, N/A; 180 Amps - specific for Alternator; Premium Remanufactured

What This Alternator Helps Address

• Battery warning lights caused by charging system failure
• Low system voltage during idle or accessory use
• Dim lights or inconsistent electrical output
• Charging issues after alternator wear or internal regulator failure
• Noise or performance loss from a failing alternator assembly

Installation Notes and Tips

Verify the vehicle’s original alternator specifications before installation, including amperage, rotation direction, voltage, and pulley configuration. This part number 12975 is listed for clockwise rotation, 12V operation, and internal regulation, so matching the OE application is important for proper charging performance.

For Mercedes-Benz AMG models such as the C63 AMG, E63 AMG, and SL63 AMG, confirm the existing unit against the vehicle’s charging system layout and connector style before replacement. This alternator cross-references Bosch 0-121-715-007 and 156-154-01-02 for the same application.

Quality Assurance

Remy Premium Remanufactured components are remanufactured to OE-style specifications for the listed applications. Part Number 12975 is built as a remanufactured replacement alternator for select Mercedes-Benz AMG vehicles with Bosch-origin fitment requirements.