🚗 Classic Fault — Mercedes-Benz W115 (1968–1976)
Instrument cluster lighting failure
💰 Estimated Repair Cost
$10 – $35 USD
Parts and labour estimate
🔧 Tools Required
Dashboard removal tools, test light
📋 Overview
The dashboard illumination bulbs burn out gradually. Multiple failed bulbs make the instrument panel increasingly dark.
🩺 Symptoms
- One or more dashboard lights not working
- speedometer area dark
- gauges not illuminated at night
🔍 Possible Causes
- Burnt out instrument panel bulbs
- corroded bulb holder contacts
🛠️ Diagnosis Steps
Remove instrument cluster. Test each bulb socket for continuity.
✅ Most Confirmed Fix
Replace instrument illumination bulbs. Clean all bulb holder contacts.
83% of users confirm this fix worked (24 reports)
🔗 Other Mercedes-Benz W115 Faults
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