Where is the horn relay (2001 slk) - 2000 Mercedes-Benz SLK

I usually use "Scotch Locks" to tap into the wiring right at the old horn.

On the 2001 jaguar under the hood in that fuse box the no. 4 fuse is to the horn relay it is a blue 15 amp fuse if this is not the one inside parssenger comp. the no. 28 fuse is to the security system horn relay hope this will help you on my 2001 fuse box is on passenger side

2001 malibu horn fuse and relay are located in the under the hood fuse box.
location 21 should be the relay
location 43 should be the fuse.
if the relay is put in wrong the horn will not work. if you replaced the relay and the horn stopped working try pulling the relay out and turning it around. and try the horn again.

how do you get to the horn
on mercedes 230slk

Manual will tell you where it is. If not available relays are often in fuse box.

find the horn relay and see if you are getting the signal from the horn button at the relay.if the signal is there then replace the relay. if not the get ready to pull the airbag off the steering wheel and check the horn button.

This would be caused by one of two things, first check the horn pad and make sure the horn button (pad) is not broke or stuck if thats okay then i would replace the horn relay, this relay is located in the fuse box, also check the under the hood fuse box. they started putting the horn relays in the engine compartment fuse/relay box, the cover of the fuse box will list where the relay sits in the box. good luck, hope this helps.

Did you check the fuse for the horn ? Engine compartment fuse panel, fuse #7, 20A

You can pull the horn relay, and jumper the normally open contacts to see if the fuse, horn and grounds for the horn are in working order ( this operates the horn without needing to use the horn button ).
The Horn relay is a half size Ford ISO relay in the engine compartment fuse panel ( check your owners manual to locate relay 206 ).

Diagram to jumper the horn relay, with this in place, the horn should sound as long as the jumper is in place


If you did not get an owners manual with your truck ( purchased used ), you can download one from Ford :
https://www.fleet.ford.com/maintenance/owners_manuals/default.asp

Check first the FUSE! Check the relay!
Then let somebody push the horn pad in the steering wheel, while u listen at the RELAY, if you hear any "click" sound that means relay is working! If the relay is working NOW the problem lies in the HORN itself and needs to be replace! Check the wiring too! There might a disconnected wire or a FAULTY ground to the HORN! Taah!

replace the horn.thesecurity system should have a seperate horn to the normal "tooting" horn.