Mercedes Driveshaft CV Joint Replacement

DIY Cost: $50-$175
Est. Time: 2 - 4 hr
Difficulty: Difficult
This guide provides instructions on how to replace a drive shaft constant velocity (CV) joint. CV joints are used on many modern vehicles including BMW, Audi, Mercedes, Porsche, Land Rover, etc.

Symptoms

A common symptom of failed driveshaft joint is vibrations that can be noticed at speeds as low as thirty mph or higher.

What you will need

Procedure

  1. Use ramps to raise the vehicle. Use jack stands to secure the vehicle.
  2. Use an 8mm socket and ratchet wrench to remove the bottom splash shields from under the engine
  3. Remove the bolts that hold the joint connected to the differential and transfer case.driveshaft cv joint replacement
  4. Remove the driveshaft. If the driveshaft does not disconnect spray penetrating oil at the joint. Use a flat head screwdriver to pry the cv joint out.removed driveshaft
  5. Pull out the driveshaft.driveshaft
  6. Remove the snap ring.remove snap ring
  7. Slide-out the old cv joint.remove cv joint
  8. Remove the boot and either clean it or replace it if it is cracked.cv joint boot
  9. Install the boot and fill it with grease.new driveshaft boot installed
  10. Slide the new CV joint. Install the snap ring. new driveshaft cv joint
  11. Add grease to the CV joint.add grease to driveshaft joint
  12. Place the cap on top and line up the boot, cv joint, and cap. Use a zip tie to keep them all together.new drive shaft joint installed
  13. Install the driveshaft on the vehicle. Replace the bolts if they are aluminum. Torque the bolts to approximately 40 Nm or as recommended by the manufacturer.torqe drive shaft

Replacement Cost

Replacing a driveshaft cv joint takes about two to four hours. It requires the removal of the driveshaft from the vehicle. Disassembly of the cv joint and installation of the cv joint.

While it is possible to replace the cv joint only as shown in this guide, your dealer may recommend the replacement of the driveshaft which comes with new cv joints. The driveshaft does not fail as frequently and replacing the drive shaft is not necessary in many cases.

Replacing only the propeller shaft cv joint is cost-effective as well. Replacing the drive shaft can cost over $1000 while replacing just the cv joints costs between $300-$500.


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Check out more guides for the following vehicle.
Mercedes Driveshaft CV Joint Replacement Symptoms A common symptom of failed driveshaft joint is vibrations that can be noticed at speeds as low as thirty mph or higher. What you will need CV joint grease Snap Ring Pliers