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W114 windscreen washer pump failure — Mercedes-Benz (1968–1976) | MyCarFault
🚗 Classic Fault — Mercedes-Benz (1968–1976)

W114 windscreen washer pump failure

🟢 Solved Beginner 🏁 Original spec 1 hr
Community fix rate — 28 confirmed fixes
92% success rate
💰 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
🔍 Possible Causes
🛠️ 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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