Result of new front end bushings on '05 C230K...
 

Just had the front end bushings replaced and car aligned. Wow. Made the steering feel much "tighter" and the car feels new again.
There was a very fast vibration in the steering wheel before as well. Steering sloppy and car kind of wandered. Now it's great.
They lasted about 100K miles with mostly freeway driving. They leak black fluid, so if you see this watery stuff coming from the front bushings....you know what to do. ;)