Bosch AL0191X Alternator

Bosch AL0191X Remanufactured Alternator

The Bosch AL0191X remanufactured alternator is a 12-volt charging component built for Mercedes-Benz applications that require a 150 amp output. It is engineered with an internal fan, internal regulator, and a 6-groove pulley to support stable electrical performance in daily driving conditions.

Bosch Premium Alternators are remanufactured, tested charging units built for reliable operation and consistent fitment. This AL0191X alternator is a direct replacement for select Mercedes-Benz C250, C300, C350, and GLK350 models, including vehicles equipped with Bosch units.

Key Features

• 12-volt remanufactured alternator
• 150 amp amperage rating
• Internal fan and internal regulator
• Clockwise rotation direction
• 6-groove pulley included
• Aluminum case and aluminum case material
• External fan included
• External regulator included
• Not one-wire capable
• Cross-reference part numbers: 0009061202, 0131546302

Detailed Description

Built for charging-system service on Mercedes-Benz vehicles, Bosch AL0191X is a remanufactured alternator designed to restore proper battery charging and electrical output. The unit uses a 50 mm outside pulley diameter, 6S pulley/belt type, and plug type 463 with a rear-view plug clock position of 2 o’clock at the main mounting ear. Its aluminum housing helps keep the assembly lightweight while maintaining OE-style packaging and mounting characteristics.

This part number is commonly searched as Bosch AL0191X alternator for Mercedes-Benz C250, C300, C350, and GLK350 applications. It also cross-references 0009061202 and 0131546302 for the same application.

Vehicle Fitment

• Fits 2010-2012 Mercedes-Benz C250, N/A; To 150 Amp Alternator; with Bosch Unit
• Fits 2010-2012 Mercedes-Benz C300, N/A; To 150 Amp Alternator
• Fits 2010-2012 Mercedes-Benz GLK350, N/A; To 150 Amp Alternator
• Fits 2011 Mercedes-Benz C350, N/A; To 150 Amp Alternator; with Bosch Unit
• Fits 2009 Mercedes-Benz C300, N/A; For South African vehicle production; To 150 Amp Alternator; From Chassis # R 082872
• Fits 2009 Mercedes-Benz C300, N/A; To 150 Amp Alternator; From Chassis # F 318288; German Built Vehicle

What It Helps Address

• Low battery charging output
• Battery warning light concerns related to alternator performance
• Electrical system voltage instability
• Charging failure caused by worn internal alternator components
• Accessory and starting issues tied to weak alternator output

Installation Notes and Tips

Verify the vehicle’s alternator output rating, plug type, pulley configuration, and chassis breakpoints before installation. Confirm Bosch-unit application details where noted in the fitment data, and compare the original part number to AL0191X before replacing the charging unit.

Quality Assurance

Bosch Premium Alternators are designed, built, and tested to deliver dependable charging-system performance. This remanufactured alternator is packaged in a box and built to OE-style specifications for the listed Mercedes-Benz applications.