Hello Folks,

apologies in advance if these issues have already been addressed.
A search did not yield an answer...

I have 2 issues with my 2008 2.7 TD6 I just bought.

1. the horn is not working , i can here a relay clicking away in the centre console but thats about it..and in fairness it worked the first day i had it ( last saturday ).

2. the heated seat is not working on drivers side..passenger and 2 back seats work fine.
if i had any idea which jack plug was for this function , i suppose i could check for voltage...thats where my skills begin and end.

any help with these issues would be much appreciated.

The drivers heated seat is likely to be the element in the heating pad, there are 2 one in the base and one in the backrest, I took a chance and ordered the seat base one and replaced it, all good now. I replaced the foam base at the same time as the foam bolster was sagging. About £100 for the pair and an hours work . Nanocom Evo

Here's the how to I used .....
http://www.rrsport.co.uk/forum/topic43630.html Nanocom Evo

cheers Jaggs ,much appreciated mate ! I'll see if I can source the parts online...

i think theres a black multi-plug on the drivers seat behind the black plastic shroud.Just make sure that is securely fixed in place wiggle it and see if anything happens as i know they have a few issues with them not properly fixed together before you spend the money,i had a problem on the passenger seat and that is what it was

There are 2 horns.

So either both have failed (quite possible) or another common factor (a bit unlikely if you can hear the relay clicking)

There is a horn behind the grill, which is an easy one to play with/fix.

The other is down by the coolant bottle I think

Geoff , Andy....cheers chaps !
I'll will have a fresh look at it and see if I have any joy...

Hi Keith,

I'm a new owner too - based in Dublin. I picked up a fault reader last year in anticipation of a Disco or Sport. So if you need to read a code we can meet up.

Mines on 07 Sport HSE. Passenger side heated seat isn't working. No clue on the rear seats as I have the isofix seats in place.

sound bud, i might take you up on that offer at some stage

having just replaced both of the H11 front fog light bulbs I have found that there is still an issue there , so now thats on the list too !

if i get the heated seat fixed i will be back with what i found ...

Jaggs wrote:

The drivers heated seat is likely to be the element in the heating pad, there are 2 one in the base and one in the backrest

I have replaced both bulbs in the front fogs and also checked the fuse..all good but not lights working.

when i checked the rear fogs , i can see no difference in the intensity of the red light....

the switch that does all of the lights with the pull function to operate front and rear fogs is the only thing i can think of that is common to both sets of lights .

i wonder if anybody has experienced both front and rear fogs failing ??

Not heard of any sounds more like you have a failed switch or it's unplugged at the rear of switch if there is someone close to you,maybe they will let you try there switch just to see if it work's with a different switch

Bill Portland wrote:

Jaggs wrote:

The drivers heated seat is likely to be the element in the heating pad, there are 2 one in the base and one in the backrest

Is that standard? I don't think I have (working) heaters in the drivers or passengers backrests.

If they are heated on the seat squab the back rest should also be heated

Bill Portland wrote:

Jaggs wrote:

The drivers heated seat is likely to be the element in the heating pad, there are 2 one in the base and one in the backrest

Is that standard? I don't think I have (working) heaters in the drivers or passengers backrests.

Thanks for the answers.

i'll pay careful attention to see if I can detect any warmth coming from the backrest. Merc C220 estate Sport AMG
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