Dorman 601-164 High Intensity Discharge (HID) Headlight Igniter - Left or Right

Dorman 601-164 HID Headlight Igniter

Dorman 601-164 is a high-intensity discharge headlight igniter built to match the original igniter’s fit and function on specified vehicles. It is a direct replacement for HID lighting systems that use a 3-pin connector and is engineered for dependable operation in Mercedes-Benz, BMW, Land Rover, Mazda, Mini, and Porsche applications.

Key Features

• Direct replacement HID headlight igniter for specified factory lighting systems
• Matches original fit and function for service replacement use
• Plastic housing with black and red finish
• Blade terminals with 2 male terminals
• Designed for 3-pin connector applications
• Compact size: 2.5 in. length, 1 in. width, 2.5 in. height
• Cross-reference example: Mercedes-Benz 2038201112

Detailed Description

This Dorman HID headlight igniter, part number 601-164, is made for vehicles equipped with factory high-intensity discharge lighting. It restores the ignition function needed to start and maintain HID headlamp operation, helping keep the lighting system working as originally engineered. The unit is a practical OE-style replacement for many Mercedes-Benz C-Class, S-Class, SL-Class, and CLK models, along with select BMW, Land Rover, Mazda, Mini, and Porsche vehicles.

Compatible With 2011-2017 Mercedes-Benz C180, left or right; 2010-2017 Mercedes-Benz C200, left or right; 2001-2017 Mercedes-Benz SL500, left or right; and other listed applications with a 3-pin connector. The Dorman 601-164 also cross-references Mercedes-Benz 63120406709 for the same application.

What It Helps Solve

• HID headlight that will not ignite
• Intermittent or failed headlamp startup
• Loss of low-beam output on HID-equipped vehicles
• Faulty igniter-related lighting warning conditions
• Replacement needs after electrical component wear or failure

Installation Notes and Tips

• Verify the vehicle uses a 3-pin connector before ordering.
• Confirm left or right side application against the vehicle’s original part.
• Inspect the HID bulb, ballast, and connector condition during diagnosis.
• Use the vehicle’s service information for access and removal procedures.
• Check fitment carefully on BMW applications noted without adaptive lighting.

Quality Assurance

Dorman engineers this HID headlight igniter to match original fit and function on specified applications, with a focus on reliable performance and durability. It is built as a service replacement for factory HID systems and is backed by Dorman’s product engineering standards.