SRS Light Due to Spilled Liquid on Buckle or Under Seat on Mercedes-Benz C240 4MATIC

Problem Description and Possible Solution

The SRS (airbag) light can come on if liquids are spilled into the seat belt buckles, or if the liquid pools underneath the seat and gets into the electrical connector for the seat belt pretensioner. Damaged components will require replacement to restore proper airbag operation.

Problem Data
RepairPal Verified
Average mileage: 85,000 (80,000–90,000)
3 model years affected: 2003, 2004, 2005
7 people reported this problem
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Water on seat set of SRS light.
How to reset
Spilled water in back seats caused SRS light to go off. Have not fixed yet.