Standard Ignition US-559L Ignition Lock Cylinder

Ignition Lock Cylinder for Mercedes-Benz Column Mount

Standard Ignition US-559L is a coded ignition lock cylinder for column-mounted applications on select Mercedes-Benz models. It includes keys and is built for direct replacement where the original lock cylinder has worn, stuck, or no longer turns smoothly.

Key Features

• Coded ignition lock cylinder for column mounting
• Includes keys; instructions are not included
• Mounting brackets are not included
• Direct-fit replacement for select Mercedes-Benz E-Class and 190E applications
• Standard Ignition part number US-559L

Detailed Description

This ignition lock cylinder is intended for Mercedes-Benz vehicles that use a column-mounted ignition switch assembly. The coded design supports replacement of the original cylinder while maintaining key operation for the vehicle’s ignition system. Standard Ignition US-559L is listed for 1984-1995 Mercedes-Benz 190E, 300CE, 300D, 300E, 400E, 500E, E300, E320, E420, and E500 applications, making it a focused solution for common classic and early E-Class service needs. This part cross-references 1264600304 and CS1031L for the same application.

What It Helps Fix

• Key will not turn or turns inconsistently in the ignition
• Worn lock cylinder causing poor key engagement
• Sticking or binding ignition operation at the column
• Loss of proper ignition cylinder function after wear or damage

Installation Notes and Tips

Verify the vehicle’s ignition lock style and column mounting location before ordering. Because instructions are not included, compare the new cylinder to the original unit and follow the vehicle service procedure for removal and coding. Confirm fitment for your exact Mercedes-Benz model and year, including 1984-1989 Mercedes-Benz 190E, 1988-1993 Mercedes-Benz 300CE, 1990-1993 Mercedes-Benz 300D, 1990-1993 Mercedes-Benz 300E, 1992-1993 Mercedes-Benz 400E, 1992-1993 Mercedes-Benz 500E, 1994 Mercedes-Benz E500, 1994-1995 Mercedes-Benz E320, 1994-1995 Mercedes-Benz E420, and 1995 Mercedes-Benz E300.

Quality Assurance

Standard Ignition supplies replacement ignition components for service applications, and US-559L is built as a coded replacement lock cylinder for the listed Mercedes-Benz fitments. Always confirm part number US-559L against the original component before installation.