Valeo 439717 Alternator

Valeo 439717 Alternator for Mercedes-Benz

The Valeo 439717 alternator is a 12-volt charging system component built for select Mercedes-Benz applications. It features an internal fan, internal regulator, clockwise rotation, and a 6-groove serpentine pulley to support stable electrical output in daily driving conditions.

As part of the Valeo OE family, this alternator reflects Valeo’s long history in electrical systems and original equipment supply. The aluminum housing and 180-amp rating make it a direct-fit charging solution for vehicles that require consistent alternator performance.

Key Features

• 12-volt alternator with 180-amp output
• Internal fan and internal regulator
• Clockwise rotation
• 6-groove pulley for serpentine belt systems
• Aluminum housing for OE-style construction
• Valeo OE family component
• Part number 439717 for ordering and cross-reference use

Product Details

Valeo 439717 is an alternator designed for Mercedes-Benz E350 and Mercedes-Benz C350 applications listed below. It is built as a 100% new unit, which helps avoid the wear concerns associated with remanufactured charging components. The OE supplier background and 180-amp specification make this alternator a strong match for vehicles that depend on steady charging performance, especially when electrical demand is higher from accessories and onboard systems. If you are searching for a Mercedes-Benz E350 alternator or a Mercedes-Benz C350 alternator, part number 439717 is the reference to use.

This part cross-references BBB Industries 42015 for the same application.

What It Helps Address

• Battery warning light caused by weak charging output
• Low system voltage during idle or driving
• Dim lights or electrical instability
• Charging failure from a worn alternator
• Noise or irregular operation from a failing charging unit

Installation Notes and Tips

Confirm pulley groove count, rotation direction, voltage, and amperage before installation. This alternator uses an internal regulator and a serpentine belt pulley, so belt routing and electrical connections should match the vehicle’s original configuration. Verify fitment by year, make, model, and OE reference before replacing the charging system component.

• Fits 2012-2016 Mercedes-Benz E350, N/A
• Fits 2012 Mercedes-Benz C350, N/A

Quality Assurance

Valeo is a recognized OE supplier in electrical systems, and this alternator is part of the Valeo OE family. The 100% new construction supports consistent replacement quality for select Mercedes-Benz charging system applications.