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Gary, ASE Certified Technician
Category: Mercedes
Satisfied Customers: 1052
Experience:  Senior Technician
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Srs light staying on in 2003 sl500. Trying determine if I

Customer Question

Srs light staying on in 2003 sl500. Trying determine if I can repair myself or get an idea of how much the repair will cost at dealer
Submitted: 2 years ago.
Category: Mercedes
Expert:  Gary replied 2 years ago.
Hi there,
SRS lamp on, there is a fault in the system and a DTC will be set.
Do you have a scan tool?
Do you know where the diagnostic link (ALDL) is located in the cabin?
Customer: replied 2 years ago.
Scanned the car using a Actron Auto Scanner CP9580a. No faults or codes were revealed.
Expert:  Gary replied 2 years ago.
Hi again,
Well either the SRS module has put the lamp on, or the wire between the SRS lamp and the SRS module is grounded.
Your next step would be disconnect the SRS module, to see if the lamp goes out.
If the lamp goes out after the engine has started, it tells you the SRS module is the fault.
I would let Mercedes have a diagnosis of it as well.