🚗 Classic Fault — Mercedes-Benz W115 (1968–1976)
Front wheel bearing rumble
💰 Estimated Repair Cost
$30 – $100 USD
Parts and labour estimate
🔧 Tools Required
Jack, bearing preload tools
📋 Overview
The front taper roller wheel bearings wear and develop a characteristic rumbling noise that changes pitch when steering slightly left or right.
🩺 Symptoms
- Rumbling noise from front
- noise changes when steering slightly
- noise worse at speed
- roughness felt through wheel
🔍 Possible Causes
- Worn front wheel bearing
- incorrectly set bearing preload
- dried-out bearing grease
🛠️ Diagnosis Steps
Jack front. Hold wheel top and bottom — rock vigorously. Movement confirms bearing play.
✅ Most Confirmed Fix
Replace front wheel bearings. Set preload correctly.
83% of users confirm this fix worked (26 reports)
🏷️ Parts Needed
Front wheel bearing set; bearing grease
🔗 Other Mercedes-Benz W115 Faults
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