🚗 Classic Fault — Mercedes-Benz (1976–1985)
W123 rear spring helper rubber collapse
💰 Estimated Repair Cost
$20 – $80 GBP
Parts and labour estimate
🔧 Tools Required
Jack, spring tools
📋 Overview
The rear coil spring helper rubber buffer collapses with age, lowering the rear ride height and affecting handling.
🩺 Symptoms
- Rear of car sits low
- harsh ride over small bumps
- spring coils contact each other audibly
🔍 Possible Causes
- Collapsed spring helper rubber
- broken rear spring
- worn rear shock
🛠️ Diagnosis Steps
Measure rear ride height and compare side to side. Inspect spring helper rubber — should be intact and resilient
✅ Most Confirmed Fix
Spring helper rubber replacement
85% of users confirm this fix worked (24 reports)
🔗 Other Mercedes-Benz Faults
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