Great solution if yours are badly worn or rusted. Includes ball joints and bushings as shown. Ready to install.
Actual parts shown. See details below.
350SL 450SL 450SLC 380SLC 380SL Front Lower Control Arm Set New!
$422.00
SKU:
SRS-E107FCARMS 
Product Details
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$96.00
All R107 C107 Chassis Complete Front Subframe Mount Kit w/ Instructions
This is a MUST DO replacement if you want the original feel of a tight front end on your 1972 to 1989 107.
If the front end of your W107 SL or SLC convertible or coupe wanders on the road or thunks when you go over railroad tracks, you most likely need to install a new front subframe bushing kit. I see this condition even on real low mileage pristine cars.