Febi 39479 ABS Wheel Speed Sensor - Rear

Rear ABS Wheel Speed Sensor for Mercedes-Benz

Febi 39479 is a rear ABS wheel speed sensor for select Mercedes-Benz CL-Class and S-Class applications from 2007-2014. With a 765.0 mm lead length and 2-terminal connector, it is built for rear axle speed signal monitoring on vehicles such as the Mercedes-Benz S550, CL550, and S63 AMG.

Key Features

• ABS wheel speed sensor for the rear position
• Lead length: 765.0 mm
• 2-terminal electrical connection
• Febi brand line: febi OE-style replacement parts for European vehicle applications
• Direct fitment coverage for select Mercedes-Benz CL550, CL600, CL63 AMG, CL65 AMG, S350, S400, S450, S550, S600, S63 AMG, and S65 AMG models

Detailed Description

Febi part number 39479 is an ABS wheel speed sensor designed for rear installation on specific Mercedes-Benz models. It monitors wheel rotation data used by the ABS system and related stability functions, helping the vehicle control module read rear wheel speed accurately. This sensor is listed for multiple Mercedes-Benz CL-Class and S-Class vehicles, including rear fitment on the Mercedes-Benz CL550, S550, and S600, with application notes that vary by chassis number, armoured-vehicle status, and SA code.

This part cross-references Mercedes-Benz OE numbers 221 540 09 17 and 221 905 02 01 for the same application. If you are searching for a rear ABS sensor for Mercedes-Benz S-Class or CL-Class models, Febi 39479 is a fitment-specific option to verify against your VIN and build data.

What It Helps Address

• ABS warning light related to rear wheel speed signal loss
• Traction control or stability control faults tied to rear sensor input
• Intermittent wheel speed readings from a worn or damaged sensor
• Brake system fault codes stored by the control module
• Rear axle speed signal issues on select Mercedes-Benz CL550, S550, and S63 AMG applications

Installation Notes

Confirm rear position, connector style, lead length, chassis number, and SA code before ordering. Some listed applications exclude armoured vehicles or require specific chassis breakpoints, so VIN verification is recommended for Mercedes-Benz CL-Class and S-Class fitment. Inspect the sensor routing and mounting point before installation, and clear fault codes after replacement if required by the vehicle.

Quality Assurance

Febi is an established aftermarket brand for European vehicle replacement parts, and this sensor is cataloged to OE reference numbers for the listed applications. Part number 39479 is specified for confirmed rear fitment on select Mercedes-Benz models from 2007-2014.