Standard Ignition LS412 Back Up Light Switch

Back Up Light Switch for Mercedes-Benz Applications

Standard Ignition LS412 is a back up light switch built for direct replacement on select Mercedes-Benz models. It uses a bolt-on mounting style with a single oval female connector and male blade terminals for a straightforward electrical connection.

Compatible With Mercedes-Benz C230, C240, C320, C350, SLK230, SLK280, SLK300, SLK320, and SLK350 applications, this switch is a practical choice when reverse lamps stop working or the backup light circuit becomes intermittent. The Standard Ignition LS412 is also cross-referenced to 2035450106 and related aftermarket numbers for the same application.

Key Features

• Back up light switch for reverse lamp circuit operation
• Bolt-on mounting type with bolt-on attachment method
• 1 oval female connector
• 2 male blade terminals
• Black plastic housing and plastic finish
• No mounting hardware included
• No wiring harness included
• No indicator markings included

Product Details

The LS412 is a Standard Ignition back up light switch designed around the original connector and terminal layout used on supported Mercedes-Benz vehicles. Its black plastic body, oval connector shape, and blade-style terminals support a clean replacement where the factory switch mounts directly to the transmission or related reverse-light switch location. Standard Ignition LS412 is a focused electrical replacement for drivers servicing Mercedes-Benz C-Class and SLK models from the early 2000s through 2011.

Common Issues This Part Can Address

• Reverse lights do not illuminate when shifting into reverse
• Backup lamps work intermittently
• Faulty switch causes inconsistent reverse signal to the lighting circuit
• Transmission-mounted switch shows wear or electrical failure
• Replacement needed after connector or terminal damage

Installation Notes and Tips

• Verify connector shape, terminal count, and mounting style before installation.
• Inspect the reverse-light circuit and connector for corrosion or heat damage.
• Confirm the vehicle application by year and model before ordering.
• Professional installation is recommended if access to the switch is limited.

Quality Assurance

Standard Ignition LS412 is built as an OE-style electrical replacement for supported Mercedes-Benz applications. It is listed for direct fitment on 2001-2011 Mercedes-Benz models including C230, C240, C320, C350, SLK230, SLK280, SLK300, SLK320, and SLK350.