Installing KW Clubsport Coilovers on my moms C63 AMG
C63 AMG rear lower control arm
We need to remove this little plastic shield from the LCA (Lower Control Arm) to access the lower shock bolts. I’ve always wondered what the purpose of these plastic LCA “shields” is. If you know the answer, leave it in the comments!
Jacking up C63 AMG rear suspension
Before we actually go ahead and unbolt the shock, we place a jack under the LCA and give it a couple of light pumps to put pressure on the spring. When the shock is unbolted, the spring tension will release and punch the suspension assembly down with a lot of energy, which is dangerous. By preloading the spring with the jack, we can make sure the spring tension releases slowly and safely by lowering the jack slowly after the shock is unbolted.
Removing C63 AMG rear shock
With the jack in place, we remove the bottom shock bolt.

Now unfortunately, no matter how hard we tried, we were unable to push the suspension assembly down far enough to remove the shock from the LCA. The C63 AMG simply has too much bushing bind for the suspension to move that far. You will have to disconnect the LCA from the knuckle to allow the LCA to move freely.

Removing C63 AMG rear caliper
Due to the C63’s rather hefty brakes, the brake caliper gets in the way of the LCA to knuckle bolt. You have to remove the brake caliper to access this bolt.
Removing C63 AMG rear knuckle
We put the jack back under the LCA just in case there was still some spring tension left and removed the LCA to knuckle bolt.
C63 AMG with drooped rear LCA
We slowly lower the jack to unload the spring, and voila! The LCA has fully drooped!

5 comments

  1. Mercs make for a great drifting car base, they normally have huge caster from the factory, Merc is all about that highway stability.

    But welding the diff on moms car… ouf.

  2. I truly love the idea of an automatic car with a welded diff.

    Even moreso a 204 Mercedes, those are among the last quality cars they made.

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