E-Class (W211) 2003-2009

Help adjust horn sensitivity

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Old Sep 6, 2014 | 02:07 AM
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bnam's Avatar
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2009 C300 Sport
Help adjust horn sensitivity

The horn on my '04 E220CDI does not honk easily. I can press the airbag cover/horn button down to a first click with no horn sound. To get the horn to work, it has to be pressed down harder still.

The horn is a critical need in the chaotic traffic of Bangalore -- so I'm hoping to be able to adjust it, but have not found any instructions.

I did ask the dealer -- they were in the process of replacing the spiral contact and turn switch, but they said nothing can be done and a new airbag unit would be needed.

I hope to get more info from this forum,

Thx!
Byas
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Old Sep 6, 2014 | 09:33 AM
  #2  
bnam's Avatar
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2009 C300 Sport
My first post was not as clear as it could be... the switch and spring were replaced. While they were being replaced I requested the dealer to check the horn switch pressure. The service tech said the horn pressure could not be adjusted and only solution would be to buy a new airbag unit.

I wanted to either get a validation of the dealer's assessment or tips on what could be the cause.

I am comfortable with removing the airbag unit from the car, but don't want to waste time if nothing can really be done.

Thanks,
Byas
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