2007 to 2012 S550 and C550. Inclides both bushings and Kent's new press tool.
Watch the video below as Kent will explain the full function of this bushing press tool and why you would need it. NOTE: on the W221 the bushing is mounted on the knuckle and not the control arm itself.
W221 Rear Control Arm Bushing Replacement KIT
$118.50
SKU:
SRS-221RBUSHKIT 
Product Details
The kit contents:
- 2 High-Quality Corteco bushings
- Bushing press tool with bolt and spacers
- Polishing paper
- Video instructions
Please note the video only covers removing and replacing the bushing. Control arm removal is straightforward and not covered.
Related Products:
$126.00
2003 to 2006 SL500 Rear Control Arm to Knuckle Bushing Replacement Kit
Kent calls this the hidden bushing! Always replace these when replacing the rear strut or converting to coil-over shocks.
I call this the hidden and forgotten bushing. Why? Because you can not see it to inspect it, it hardly ever gets changed. When these bushings wear out you will feel "weird" movement in your rear end, especially going over rough ground.
$9.90
Heavy Duty 11 Inch Long Tapered Punch - U.S.A.
1/4 inch end - Great for suspension work - aligning control arms and bushings for inserting bolts easily.
BIG punch. Must have for the DIY mechanic. Good for driving and good for aligning holes.