I just did this job a few months ago, no need to drop the steering rack. Following the instructions in WIS, they're good and efficient.
2007 S550 W221 Motor Mount Replacement
While sitting at idle this morning, my attention was drawn to a vibration coming through my driver seat. I checked my engine/motor mounts and, sure enough, my driver's side motor mount is shot. I mean, the motor looks like it's going to jump out of the car when I put my foot on the brake and give it a little gas. So, I have a new project on the list.
After doing a little research, it appears that there are 3 mounts that I should replace: 2 front and 1 rear (transmission) mount. Google searches turn up videos and info on w220 mount replacements, but I haven't found anything on the w221. Has anyone taken on this task? I could really use some pointers from someone who has changed theirs out, please.
After doing a little research, it appears that there are 3 mounts that I should replace: 2 front and 1 rear (transmission) mount. Google searches turn up videos and info on w220 mount replacements, but I haven't found anything on the w221. Has anyone taken on this task? I could really use some pointers from someone who has changed theirs out, please.
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Nonsense, just follow the WIS procedure. My experience with these youtube "how to's" is that they either don't have access to the official WIS procedures and just don't follow them resulting in the removal of things you don't need to.Hello, having trouble with replacing the motor mounts on 2010 S550 4matic. The video below insists that you must remove the cv axles to get enough clearance for raising the engine to put the new mounts in. However, not seeing anyone mention that anywhere else. I’m having issues removing said axles and wanted to confirm if removing the cv axles is necessary for replacing engine mounts on 4matic s550. Link below if interested.
You did work you didn't have to do. I know because I've done this job.Oh Wow! That driver side cv shaft was a true pain. I was starting to wonder if I could get it to separate from the intermediate shaft. I have been soaking it in PB blaster for over a week but it wasn’t till I put some heat on it and gave a couple of stout hits with a long punch and a 3lb hammer that she finally separated. Was nervous about damaging the shaft bearing or the pan but I guess she needed some stern persuasion. The passenger side shaft came easy. With that shafts out of the way there should be plenary of room to swap the mounts where previously I don’t think there was enough room like the video said.
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