My car is a 2013 W204 Mercedes C180 Blue Efficiency. I love the car but there is one thing that really annoys me and that is the horn. You almost have to stand on it to get it to work. My last car a light touch operated the horn. Is this a problem with my car or is it common on Mercedes? Either way is there anything that can be done to sort it? May seem trivial but there have been several occasions when I needed to sound a warning and was unable to do so due to the pressure required to get it working.