Quote:
Originally Posted by Hit Man X
M103+W126 cars have an issue where the exhaust downpipes come into contact with the idler arm bushing or the caster rod brace when the motor mounts sag. Changes are you are feeling this on start up. Use only OEM mounts, others are garbage. BTDT.
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Very much true! My 300SE has been through several sets, even OEM ones don't last forever. One thing I have suspected but never proved is that the engine shock absorbers get worn out and fail to damp engine bucking on hard shifts. The engine bucking eventually tears up the motor mounts. If you do the motor mounts, do the engine shocks too just in case my theory has merit.