TrakMotive MB-8046 CV Axle Shaft - Front Left

Mercedes-Benz Front Left CV Axle Shaft

TrakMotive MB-8046 is a new front left CV axle shaft for select Mercedes-Benz applications. It is built for standard-duty replacement use and follows the OE-style fitment details needed for accurate driveline service on Mercedes-Benz GLA250, CLA250, CLA45 AMG, GLA45 AMG, and B250 models.

Key Features

• Brand: TrakMotive CV Axle Shaft
• Part number: MB-8046
• New replacement axle shaft
• Front left position
• Neoprene boot material
• Inboard joint type: male
• Inboard shaft connection: spline
• Outboard joint type: Audi-style spline bolt
• Outboard shaft connection: spline
• 27 inboard splines and 30 outboard splines
• Overall compressed length: 21.34 in. (542 mm)
• No ABS tone ring included
• No axle nut included

Product Details

This TrakMotive CV axle shaft is engineered for driveline replacement on Mercedes-Benz front left applications that require the listed spline counts, bolt style, and compressed length. The MB-8046 uses a neoprene boot and a spline-based connection at both ends, with an Audi-style spline bolt outboard joint and a male inboard joint. TrakMotive identifies this axle as a new part, and the manufacturer notes ISO 9001:1007 and TS 16949:2009 certification for its company quality systems. This part cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.

Vehicle Fitment

• Fits 2018-2020 Mercedes-Benz GLA250, front left; standard duty replacement; CV axle shaft
• Fits 2017-2019 Mercedes-Benz B250, front left; standard duty replacement; CV axle shaft
• Fits 2018-2019 Mercedes-Benz CLA250, front left; standard duty replacement; CV axle shaft
• Fits 2014-2019 Mercedes-Benz CLA45 AMG, front left; 117 Type; CV axle shaft
• Fits 2018-2019 Mercedes-Benz GLA45 AMG, front left; standard duty replacement; CV axle shaft
• Fits 2014-2017 Mercedes-Benz CLA250, front left; 117 Type; CV axle shaft
• Fits 2015-2017 Mercedes-Benz GLA250, front left; 156 Type; CV axle shaft
• Fits 2015-2017 Mercedes-Benz GLA45 AMG, front left; 156 Type; CV axle shaft
• Fits 2013-2016 Mercedes-Benz B250, front left; 246 Type; CV axle shaft

Common Problems This Part Can Address

• Clicking or popping during turns from a worn CV joint
• Vibration under acceleration caused by axle wear
• Grease leakage from a damaged axle boot
• Clunking or looseness in the front driveline
• Failure from spline or joint wear on the original axle

Installation Notes

Verify the vehicle’s model type, year, and front left application before ordering, especially on Mercedes-Benz CLA250, GLA250, CLA45 AMG, GLA45 AMG, and B250 platforms. Confirm the axle bolt thread size, spline counts, and overall compressed length against the original part before installation. This axle does not include an axle nut, and it does not include an ABS tone ring.

Quality Assurance

TrakMotive backs this CV axle shaft with a limited lifetime warranty. The brand also states that its manufacturing organization is ISO 9001:1007 and TS 16949:2009 certified, supporting consistent production control for driveline replacement parts.