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Marty, ASE Certified Technician
Category: Mercedes
Satisfied Customers: 55088
Experience:  Bosch Certified Master Technician with over 35 years experience in the automotive industry.
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The horn on my Mercedes clk has stopped working I. Have changed

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The horn on my Mercedes clk has stopped working I. Have changed air bag unit and relay and bstill nothing
Hi Wayne, you might just have two bad horns. Are you able to test power to the relay or at least bypass the relay to see if the horns work?
Customer: replied 2 years ago.
No IV got no way of doing that but I have changed relay
You can remove the relay and use a fused jumper lead to jump across the two large terminals in the relay connector and see if the horns work. An inline fuse holder works well for a jumper lead.
Marty and other Mercedes Specialists are ready to help you
Customer: replied 2 years ago.
Thank you Marty I will try that