Bosch 1986AE0135 Charging System Voltage Regulator

Voltage Regulator Overview

Bosch 1986AE0135 is a new charging system voltage regulator for select Mercedes-Benz applications. It is an internal regulator with a 12-volt design, a blade terminal layout, and a male connector interface for direct electrical integration.

Key Features

• Internal voltage regulator design for charging system control
• 12-volt electrical specification
• Blade terminals with a male connector and male terminals
• Two-terminal configuration for straightforward connection
• Compact unit with no mounting hardware or bracket included

Detailed Description

This Bosch voltage regulator, part number 1986AE0135, is built for Mercedes-Benz charging system service where stable alternator output is required. The internal mounting style keeps the regulator integrated within the charging assembly, while the 120-amp rating and blade-style connection support the electrical demands of the application. Bosch 1986AE0135 is listed for 2001-2004 Mercedes-Benz SLK320, 2002 Mercedes-Benz C230, 2002-2004 Mercedes-Benz C32 AMG, 2003 Mercedes-Benz C240, 2003 Mercedes-Benz C320, 2003-2005 Mercedes-Benz ML350, and 2005 Mercedes-Benz CLK320.

Bosch’s Voltage Regulator line focuses on replacement electrical components for charging-system repair. This part cross-references Bosch 1986AE0135 for the same application.

Common Uses

• Restoring stable alternator voltage output
• Addressing charging system warning lights
• Correcting overcharging or undercharging conditions
• Replacing a failed internal regulator in the charging assembly
• Supporting proper battery charging performance

Installation Notes

Verify connector shape, terminal count, and internal mounting style before installation. Confirm the vehicle’s charging system specification matches the 12-volt, 120-amp regulator configuration. Professional installation is recommended for charging system diagnosis and replacement.

Quality Assurance

Bosch is a recognized supplier of automotive electrical components, and this regulator is offered as a new replacement part for service applications.