🚗 Classic Fault — Mercedes-Benz (1968–1976)
W114 windscreen washer pump failure
💰 Estimated Repair Cost
$10 – $40 GBP
Parts and labour estimate
🔧 Tools Required
Multimeter
📋 Overview
The electric washer pump motor corrodes internally and stops working. Common on cars stored outdoors.
🩺 Symptoms
- No water from washer jets
- motor hums but no flow
- no sound from pump at all
🔍 Possible Causes
- Failed pump motor
- blocked washer jet
- cracked washer reservoir
🛠️ Diagnosis Steps
Test pump with direct 12V feed — if no flow, pump is failed. Check for blockages in jets first
✅ Most Confirmed Fix
Washer pump replacement
92% of users confirm this fix worked (28 reports)
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