Dorman 684-038 Parking Aid Sensor - Front or Front Outer

Dorman 684-038 Parking Aid Sensor

Dorman 684-038 is a specific-fit parking aid sensor for vehicles equipped with factory parking assist systems. It is engineered to match the original sensor’s fit and function while providing durable, reliable performance for front-mounted parking aid applications.

Key Features

• Specific-fit replacement for factory parking aid systems
• Matches original sensor fit and function for proper system operation
• 3-pin terminal design with male connector and male terminals
• No wiring harness included; uses the vehicle’s existing connection
• Designed for front outer and front sensor locations, depending on application
• Compatible with Mercedes-Benz C250, C300, C350, and C63 AMG applications listed below

Application Details

• Fits 2012-2014 Mercedes-Benz C250, front outer, w/Parking Guidance Code (230)
• Fits 2012-2014 Mercedes-Benz C300, front
• Fits 2012-2014 Mercedes-Benz C350, front
• Fits 2012-2014 Mercedes-Benz C63 AMG, front outer, w/Parking Guidance Code (230)

This Dorman parking aid sensor, part number 684-038, is built for direct replacement use on select Mercedes-Benz models. It is a vehicle-specific sensor designed to restore parking assist input at the front of the vehicle, including front outer positions where equipped with Parking Guidance Code (230). The pin-style terminal layout, 3-terminal configuration, and male connector design support OE-style integration with the existing parking aid system. If you are replacing a failed Mercedes-Benz C250, C300, C350, or C63 AMG parking sensor, 684-038 provides a direct-fit service part for the listed applications.

Common Issues This Part Can Address

• Parking assist warning messages caused by a failed front sensor
• Inaccurate obstacle detection at the front bumper
• Intermittent parking guidance operation on equipped vehicles
• Sensor damage from minor bumper contact or road debris
• Loss of factory parking aid functionality on the listed Mercedes-Benz models

Installation Notes and Tips

Verify the vehicle’s original sensor location before ordering, since this part is listed for front and front outer positions depending on model and equipment. Confirm the vehicle has Parking Guidance Code (230) where noted, and compare the connector style, terminal count, and mounting location to the original sensor before installation. Reuse the existing wiring harness, as no harness is included.

Quality Assurance

Dorman designs this sensor to match the original part’s fit and function for the specified vehicles, with an emphasis on durability and dependable operation. This part cross-references Mercedes-Benz 2125420118 for the same application.