There also are front subframes on 126 cars (one on each side) and they do affect ride. They seem to harden over the years and they do very similar to running the tires with too much air pressure - they make the pavement feel rougher - they make the markers in the road surface seem harsher.

When dissolved by a power steering leak the ones on the left side will cause movement in the front end and decrease caster sometimes causing a pulling condition under braking.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician