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 E320
10 people reported this problem
srs indicator light initially intermittent when passenger in car. Light in now on constantly w/o passenger
2004 Mercedes-Benz E320 94,231 mi, Visitor
My car was returned after a detailing, with the srs light on. He told me he power washed it. Now o realize it was water damage that has the srs light on the dashboard.
2003 Mercedes-Benz E320 70,000 mi, Visitor
SRS light omes on when startcar. If someone sets on seat and I go on a drive and have to stop and get out and restart car light may go out
2005 Mercedes-Benz E320 100,000 mi, Visitor
not fixed yet, just keep the seat belt buckled
2003 Mercedes-Benz E320 40,000 mi, Visitor
SRS Light on. Sensor changed.