central locking

[tupac2makaveli71]

hey guys, im very sorry to say this is my first post and is not how i intended to start my benz ownership, i have a 2001 c220 cdi sport coupe. i installed a aftermarket headunit and a small amplifier in the car as it did not have a cd player, so now everything is fine, then i went out and locked the car as usual, come back unlocked it, drove the car got to my next destination, jump out and it doesnt lock! figured out this morning that if i point it at the sensor in the drivers door handle it works, and its not the battery as the spare doesnt work either, dont see what it could be im experienced in installing car stereos as i do it for a living but confused as to what this can be :S somebody PLEASE help me before i go crazyyyyy

 

[tupac2makaveli71]

its not even working with the sensor on the handle now!! and advice from you knowledged people?

 

[television]

Point the remote into a digital camera to if working

 

[tupac2makaveli71]

yeah it works mate, i have no idea what it could be, i had to run 0awg cable through the grommet in the engine bay but thought i did not disturb any wires, also i disconnected (and reconnected) the window switch on the drivers side, and the plug for the buttons on the centre console (i.e the esp switch and central locking switch) but they were reconnected fine :S any help at all at this stage is really appreciated, thanks for your reply mate

 

[BlackC55]

Is the spare key any different?

Have a look at the fuses in the boot on the left under a panel.

 

[tupac2makaveli71]

yeah mate checked the fuses, also retraced all my amp wiring (and removed it incase it was causing interfearance [6 HOURS LABOUR ]) and there were no faults, took all the plugs out that i had previously removed and cleaned them lightly and put them back in, still no luck and the spare key is the same :S dont understand how this can happen! does anyone know where the reciever is?

 

[tupac2makaveli71]

just to state, me cleaning the plugs and such atleast fixed the door, its working using the sensor on the handle but still not like usual :S am i right in thinking it was nothing to do with my wiring but just coincidence?

 

[BlackC55]

The radio reciever attached to the rear window is probably duff.

Its not cheap!

 

[tupac2makaveli71]

where abouts on the rear window is it? bearing in mind i have a coupe, i tried to look for it i cant find it, thanks for your help again.

 

[television]

Sure that I have seen somewhere that the radio system is part of the alarm, this was the case on the 129s, and this is consistent with what has happened

 

[tupac2makaveli71]

but it was working for 2 days when i had the aftermarket unit in there, plus i didnt have to modify the wireing as it was already iso and also there are a few people on this forum with aftermarket headunits in their w203's ?
shal i plug the old one in and try see if that works?

 

[television]

I will have a look in the workshop info this evening, and see if anything is listed

 

[tupac2makaveli71]

thanks alot mate i really do appreciate it!

 

[BlackC55]

(picture me rollin')

 

[tupac2makaveli71]

or not dont want to sell this one!

 

[tupac2makaveli71]

any ideas mr black c55 or tv?

 

[BlackC55]

I suspect its unrelated to the amp install.

I would be looking at the aerial on the rear screen at the top

 

[tupac2makaveli71]

dont see one any way to test it?

 

[television]

I have some problems tonight, will check in the morning

 

[tupac2makaveli71]

alright mate awaiting your reply thanks