Remy
Premium Remanufactured

Remy 12557 Alternator

Brand Remy 12557
Amperage Rating 120
Fan Type Internal
New or Remanufactured Remanufactured
OE Manufacturer Valeo
Pulley Included Yes
Rotation Direction Clockwise
Voltage (V) 12
Voltage Regulator Type Internal
Product line Premium Remanufactured
Fits Mercedes-Benz · 4 vehicles

Premium remanufactured. OE manufacturer pedigree with a remanufactured alternator.

120-amp output. Delivers dependable charging performance for your electrical system.

Internal regulator. Built with an internal voltage regulator and fan.

Cross-references 011-154-62-02, A011-154-62-02 and SG12B024 for the same application. See all 3.

$262.37Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $262.37
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Remanufactured Alternator for Mercedes-Benz Charging Systems

The Remy Premium Remanufactured 12557 is a 12-volt alternator built for Mercedes-Benz charging system applications that require a Valeo-style unit with internal regulation. It delivers 120 amps and includes the pulley, making it a direct replacement option for select E320 and CLK320 models.

Use this Remy alternator when you need a remanufactured charging component for a Mercedes-Benz E320 or Mercedes-Benz CLK320 with the correct Valeo OE manufacturer configuration. Part number 12557 is also a useful reference when searching for a Valeo alternator replacement for these applications.

Key Features

  • Remy Premium Remanufactured alternator
  • 120 amp amperage rating
  • 12-volt electrical system
  • Internal voltage regulator
  • Internal fan design
  • Clockwise rotation
  • Pulley included
  • OE manufacturer reference: Valeo

Fitment Details

Compatible with 2002-2003 Mercedes-Benz E320, N/A. Compatible with 2001-2002 Mercedes-Benz CLK320, N/A. This part cross-references Valeo-style applications such as 011-154-62-02 and SG12B024 for the same application.

What This Alternator Helps Address

  • Battery warning light caused by charging output loss
  • Low system voltage during driving or idle
  • Dim lights and unstable electrical performance
  • Charging failure from a worn or failing alternator
  • Accessory and starting issues related to insufficient alternator output

Installation Notes and Tips

Verify the OE manufacturer match, amperage rating, rotation direction, and pulley configuration before installation. Confirm the vehicle uses the Valeo alternator layout specified for the application, and inspect the belt drive and electrical connections during replacement. Part number 12557 should be matched to the vehicle’s original charging system specifications before installation.

Quality Assurance

Remy Premium Remanufactured components are remanufactured to restore core alternator function for replacement use. This unit is built around the listed OE-style configuration for Mercedes-Benz E320 and CLK320 applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003Mercedes-BenzE3203.2LV6N/A120 Amps Valeo Alternator; Premium Remanufactured
2002Mercedes-BenzCLK3203.2LV6N/A120 Amps Valeo Alternator; Premium Remanufactured
2002Mercedes-BenzE3203.2LV6N/A120 Amps Valeo Alternator; Premium Remanufactured
2001Mercedes-BenzCLK3203.2LV6N/A120 Amps Valeo Alternator; Premium Remanufactured
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
011-154-62-02A011-154-62-02SG12B024