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Lou P. master tech
Lou P. master tech, Mercedes Technician
Category: Mercedes
Satisfied Customers: 4234
Experience:  15 years master certified 100% fix rate and have access to factory radio codes, wiring, and instructions.
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09 s550 no hazards light, switch has power, 09, imma

Customer Question

09 s550 no hazards light
JA: Just to clarify, what are the exact lights you're talking about?
Customer: switch has power
JA: What year is your S550?
Customer: 09
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: imma mechanic
JA: Anything else you think the mechanic should know?
Customer: im looking for a relay
Submitted: 9 months ago.
Category: Mercedes
Expert:  Lou P. master tech replied 9 months ago.

Hello, does nothing happen when pressing the hazard switch? this is not like an american car, there is no relay. or flasher, its all control module controlled.

Expert:  Lou P. master tech replied 9 months ago.

you need a scan tool to check actual values of the button being pressed, if all the turn signals wok then you have a issue with the switch assembly.

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