The hydraulic rams (mistakenly called shock absorbers) on cars with SLS have two common failures. These rams are found on the 500e and all US spec wagons. I believe the W140 S class sedans also use them.
The failures are leaking of hydraulic fluid, or a knocking sound. This post deals with the knocking problem. This sound is heard when going over sharp changes in pavement surface. It sounds like a loose bolt or shock absorber but is actually due to the lower bushing assembly on the...
Self leveling Suspension knocking noise from hydraulic ram
The failures are leaking of hydraulic fluid, or a knocking sound. This post deals with the knocking problem. This sound is heard when going over sharp changes in pavement surface. It sounds like a loose bolt or shock absorber but is actually due to the lower bushing assembly on the...
Self leveling Suspension knocking noise from hydraulic ram
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