Mercedes W204 Airbag Warning — Seat Occupancy Sensor
Mercedes-Benz
C-Class
2007
All
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
🚫 Do NOT Drive
Safety Impact
Direct safety risk — affects safe operation of the vehicle
Urgency Level
🟡 Monitor Closely
The front passenger seat occupancy sensor on W204 C-Class fails, triggering the airbag warning light and disabling the passenger airbag. The sensor mat under the seat foam degrades. Replacement sensor mat costs £150-350.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Mercedes-Benz C-Class 2007 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🚗 More About This Vehicle
📋 All Mercedes-Benz C-Class fault reports →
🚘 All Mercedes-Benz fault reports →
🔧 Browse all fault reports →
Explore more Mercedes-Benz models
Help other owners by sharing your experience.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.