Standard Ignition SIA3 Shift Interlock Actuator

Shift Interlock Actuator for Mercedes-Benz

The Standard Ignition SIA3 shift interlock actuator is built for Mercedes-Benz vehicles that use a 5mm width hinge. It is an OE-style transmission switch component for restoring proper shift interlock operation in CL500, CL55 AMG, CL600, CL65 AMG, S350, S430, S500, S55 AMG, S600, and S65 AMG applications.

Standard Ignition SIA3 is a direct-fit replacement for drivers searching for a Mercedes-Benz shift interlock actuator, Mercedes-Benz transmission interlock repair part, or SIA3 actuator for 2000-2006 Mercedes-Benz CL500 and S-Class models.

• Fits 2000-2006 Mercedes-Benz CL500, w/ 5mm Width Hinge
• Fits 2001-2006 Mercedes-Benz CL55 AMG, w/ 5mm Width Hinge
• Fits 2001-2006 Mercedes-Benz CL600, w/ 5mm Width Hinge
• Fits 2005-2006 Mercedes-Benz CL65 AMG, w/ 5mm Width Hinge
• Fits 2006 Mercedes-Benz S350, w/ 5mm Width Hinge
• Fits 2000-2006 Mercedes-Benz S430, w/ 5mm Width Hinge
• Fits 2000-2006 Mercedes-Benz S500, w/ 5mm Width Hinge
• Fits 2001-2006 Mercedes-Benz S55 AMG, w/ 5mm Width Hinge
• Fits 2001-2006 Mercedes-Benz S600, w/ 5mm Width Hinge
• Fits 2006 Mercedes-Benz S65 AMG, w/ 5mm Width Hinge

Key Features

• Shift interlock actuator for transmission control systems
• Anodized billet aluminum design for high strength
• Built for smoother operation
• Direct replacement for part number SIA3
• Cross-reference: 2202679824

Detailed Description

The Standard Ignition SIA3 shift interlock actuator is designed for Mercedes-Benz CL-Class and S-Class vehicles equipped with a 5mm width hinge. Its anodized billet aluminum construction provides added strength, while the refined design supports smoother operation in the shift interlock mechanism. If you are replacing a worn Mercedes-Benz transmission interlock component, SIA3 offers a focused solution for restoring normal shifter lock and release function.

This part cross-references 2202679824 for the same application. Standard Ignition SIA3 is a practical choice for Mercedes-Benz CL500, CL55 AMG, CL600, CL65 AMG, S350, S430, S500, S55 AMG, S600, and S65 AMG models that require the specified hinge width.

Common Issues It Can Help Solve

• Shifter remains locked in park
• Intermittent or inconsistent shift release
• Worn or damaged actuator movement
• Rough operation in the shift interlock mechanism
• Transmission selector release problems tied to the interlock assembly

Installation Notes and Tips

Verify the vehicle uses a 5mm width hinge before ordering. Confirm the part number SIA3 and compare the existing actuator to the replacement unit before installation. Because this is a transmission-related component, careful inspection of the surrounding shift interlock assembly is recommended during service.

Quality Assurance

Standard Ignition supplies replacement electrical and transmission control components for service applications, and the SIA3 is built with anodized billet aluminum for strength and smoother operation.