Can any one tell me where the horn is located on my Mercedes C180, 1996 model. It is driving me mad!!! Thanks!!!

It is behind the front bumper. I have seen them on both sides of the front end depending on the country and w202 version.

http://www.detali.ru/cat/oem_mb2.asp?TP=1&F=202018&M=111%2E920++++++111%2E921&GA=722%2E421722%2E603&GM=717%2E416717%2E417717%2E418&CT=F&cat=44V&SID=54&SGR=106&SGN=08

Thank you very much.