Bosch
Voltage Regulator

Bosch 1986AE0135 Charging System Voltage Regulator

Brand Bosch 1986AE0135
Voltage 12
Mounting Position Internal
Terminal Type Blade
Mounting Hardware Included No
Connector Shape Fasten connector
Terminal Quantity 2
Connector Gender Male
Terminal Gender Male
Amperage Rating 120
Mounting Bracket Included No
Automotive Item Weight (lbs) 0.167551 lb
Product line Voltage Regulator
Fits Mercedes-Benz · 14 vehicles

Internal regulator design. Integrated charging control for a clean replacement fit.

12-volt specification. Matches the electrical requirements of the charging system.

Blade terminal connection. Male connector layout supports straightforward electrical hookup.

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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.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2005Mercedes-BenzCLK3203.2LV6Voltage Regulator
2005Mercedes-BenzML3503.7LV6Voltage Regulator
2004Mercedes-BenzC32 AMG3.2LV6Voltage Regulator
2004Mercedes-BenzML3503.7LV6Voltage Regulator
2004Mercedes-BenzSLK3203.2LV6Voltage Regulator
2003Mercedes-BenzC2402.6LV6Voltage Regulator
2003Mercedes-BenzC32 AMG3.2LV6Voltage Regulator
2003Mercedes-BenzC3203.2LV6Voltage Regulator
2003Mercedes-BenzML3503.7LV6Voltage Regulator
2003Mercedes-BenzSLK3203.2LV6Voltage Regulator
2002Mercedes-BenzC2302.3LL4Voltage Regulator
2002Mercedes-BenzC32 AMG3.2LV6Voltage Regulator
2002Mercedes-BenzSLK3203.2LV6Voltage Regulator
2001Mercedes-BenzSLK3203.2LV6Voltage Regulator