TrakMotive
CV Axle Shaft

TrakMotive MB-8040 CV Axle Shaft - Rear Right

Brand TrakMotive MB-8040
Position Rear Right
Abs Tone Ring Included No
Axle Nut Head Type Hex
Axle Nut Height (in) 0.91
Axle Nut Height (mm) 23
Axle Nut Hex Size (in) 1.36
Axle Nut Hex Size (mm) 34.6
Axle Nut Included Yes
Axle Nut Length (in) 1.57
Axle Nut Length (mm) 39.95
Axle Nut Locking Type Stake
Axle Nut Thread Size M26*1.5
Boot Material Neoprene
Inboard Joint Type Male
Inboard Shaft Connection Style Spline
New Or Remanufactured New
Number Of Inboard Splines 27
Number Of Outboard Splines 27
Outboard Joint Type Conventional
Outboard Shaft Connection Style Spline
Overall Compressed Length (in) 30.94
Overall Compressed Length (mm) 786
Product line CV Axle Shaft
Fits Mercedes-Benz · 13 vehicles

New axle shaft. Precision-built replacement for driveline service.

Neoprene boot. Helps resist wear while keeping the joint protected.

Spline connections. 27-spline ends provide a secure, direct-fit interface.

Cross-references TrakMotive MB-8040, 229040 and 2053503102 for the same application. See all 7.

$158.71Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $158.71
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Mercedes-Benz Rear CV Axle Shaft

TrakMotive MB-8040 is a new rear CV axle shaft built for select Mercedes-Benz applications that require a standard-duty replacement. It is engineered with 27 inboard splines, 27 outboard splines, a neoprene boot, and a supplied axle nut for a direct-service driveline repair.

Key Features

  • New CV axle shaft for rear driveline service
  • 27 inboard splines and 27 outboard splines
  • Male inboard joint with spline connection
  • Conventional outboard joint with spline connection
  • Neoprene boot material for axle joint protection
  • Axle nut included; hex head, stake locking type, M26 x 1.5 thread
  • Overall compressed length: 30.94 in. (786 mm)
  • No ABS tone ring included

Product Details

The TrakMotive CV Axle Shaft line focuses on replacement driveline components for passenger vehicles that need accurate fit and dependable operation. MB-8040 is a rear axle assembly for Mercedes-Benz C300, C400, and C43 AMG applications listed below, with fitment covering rear right, rear, and rear left positions depending on model year. This part cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.

Vehicle Fitment

  • Fits 2019-2021 Mercedes-Benz C300, rear right; standard duty replacement; CV axle shaft
  • Fits 2019-2021 Mercedes-Benz C43 AMG, rear; standard duty replacement; CV axle shaft
  • Fits 2018 Mercedes-Benz C300, rear; standard duty replacement; CV axle shaft
  • Fits 2017-2018 Mercedes-Benz C43 AMG, rear left; standard duty replacement; CV axle shaft
  • Fits 2017 Mercedes-Benz C300, rear left; from 12/18/16; CV axle shaft
  • Fits 2015-2016 Mercedes-Benz C300, rear right; 205 Type; CV axle shaft
  • Fits 2015 Mercedes-Benz C400, rear right; 205 Type; CV axle shaft

Common Repair Uses

  • Restores drivetrain connection when the original axle shaft is worn or damaged
  • Addresses clicking, vibration, or binding from a failing CV joint
  • Replaces a torn or deteriorated axle boot assembly
  • Corrects axle-related noise during acceleration or turning
  • Supports repair of rear axle service issues on Mercedes-Benz C300, C400, and C43 AMG models

Installation Notes

Verify rear position, spline count, and axle length before installation. Confirm whether the vehicle is a rear right, rear left, or rear application as listed for the exact model year. The included axle nut uses an M26 x 1.5 thread, 34.6 mm hex size, and stake locking design. ABS tone ring is not included, and ABS axles fit non-ABS applications unless otherwise noted by the vehicle listing.

Quality Assurance

TrakMotive lists MB-8040 as a new part from an ISO 9001:1007 and TS 16949:2009 certified company. Manufacturer coverage includes a limited lifetime warranty.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeDrive TypePositionNotes
2021Mercedes-BenzC300CoupeAWDRear RightStandard Duty Replacement; CV Axle Shaft
2021Mercedes-BenzC43 AMGWagon—RearStandard Duty Replacement; CV Axle Shaft
2020Mercedes-BenzC300Wagon—Rear RightStandard Duty Replacement; CV Axle Shaft
2020Mercedes-BenzC43 AMGWagon—RearStandard Duty Replacement; CV Axle Shaft
2019Mercedes-BenzC300Wagon—Rear RightStandard Duty Replacement; CV Axle Shaft
2019Mercedes-BenzC43 AMGWagon—RearStandard Duty Replacement; CV Axle Shaft
2018Mercedes-BenzC300CoupeAWDRearStandard Duty Replacement; CV Axle Shaft
2018Mercedes-BenzC43 AMGCoupe—Rear LeftStandard Duty Replacement; CV Axle Shaft
2017Mercedes-BenzC300SedanRWDRear LeftFrom 12/18/16; CV Axle Shaft
2017Mercedes-BenzC43 AMG——Rear LeftStandard Duty Replacement; CV Axle Shaft
2016Mercedes-BenzC300—AWDRear Right205 Type; CV Axle Shaft
2015Mercedes-BenzC300—AWDRear Right205 Type; CV Axle Shaft
2015Mercedes-BenzC400——Rear Right205 Type; CV Axle Shaft
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
TrakMotive — MB-804022904020535031022053504019NCV48027NCV48062NCV48066