Your drive axles or drive shafts can wear out over time or get damaged during use. The most common problem for drive axles is the tearing of the CV boot. This will cause the CV grease to be thrown out from the CV joint and allow contaminants in. Lack of grease or contaminants in the CV will quickly lead to failure of the joint. Unfortunately you can no longer purchase separate CV joints or boots for many Mercedes including the W204 models and must replace the complete axle.
Mercedes considers all suspension hardware to be single use only and must be replaced.
If you do not have an impact gun make sure you break loose the axle nut while the car is on the ground. The nut is under a tremendous amount of torque and the simplest way to do this is to use an impact wrench or gun to break the nut loose. Electric impact guns can be purchased inexpensively now and make a great addition to your tools kit. If you do not have an impact gun, depending on your rims, you can remove the center cap on the wheel, leave the car on the ground and insert the 30mm 12 point socket through the center. Next, place the largest breaker bar you have on the socket and break the bolt loose. I ended up having to put a three foot pipe on the end of the breaker bar to get enough leverage.
Raise and support the rear of vehicle on jack stands. See our tech article on jacking up your vehicle. Remove front wheel from side of vehicle you are replacing the drive axle on.
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Time: 3 hours
Tab: $20 to $1,900
Tools: 32mm 12 point socket:www.pelicanpar..., 21mm, 18mm, 13mm wrench:www.pelicanpar..., 5mm Allen:www.pelicanpar..., M12 12 point, 15mm socket:www.pelicanpar..., large breaker bar or impact wrench:www.pelicanpar...
Parts Required: Axles, axle nut, mounting hardware, retaining ring, seals as needed:www.pelicanpar...
Hot Tip: Loosen the 30mm bolt first
Performance Gain: Eliminate slop in the drive train
Complementary Modification: Replace ball joints:www.pelicanpar...
Applicable Models:
Mercedes-Benz C350 (2008-14)
Mercedes-Benz GLK350 (2010-14)
24 авг 2024
