Water can damage the weight sensor in the front, passenger seat, causing the SRS (airbag) light to illuminate. There is an electrical component in the seat cushion susceptible to fluid damage. Any spills should be dried up immediately in order to try and prevent damage to the sensor.
SRS Light Due to Damage from Liquid Spilled onto Passenger Seat on Mercedes-Benz E350
Average mileage: 60,100 (20,000–92,300)
9 people reported this problem
2013 Mercedes-Benz E350 20,000 mi, Visitor
They're saying it could cost up to $18,000 to fix it. Bah!
2006 Mercedes-Benz E350 68,000 mi, Visitor
Weight Sensor on front passenger seat illuminated due to water damage.