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Diagnostics

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By (user no longer on site) OP   
over a year ago

Hi folks , sorry to digress from the forum blether but if there happens to be any Autosparks or Merc techs on here I could use a bit of helpful advice before reluctantly heading to the nearest stealers . cheers if you can help

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By *inaTitzTV/TS
over a year ago

Titz Towers, North Notts

Have you tried turning it on and off?

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By (user no longer on site) OP   
over a year ago


"Have you tried turning it on and off? "

funnily enough , that is exactly what id like to be able to do

ive even tried blowing in its ear ...

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By (user no longer on site)
over a year ago


"Have you tried turning it on and off?

funnily enough , that is exactly what id like to be able to do

ive even tried blowing in its ear ...

"

What problem are you having matey?

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By (user no longer on site) OP   
over a year ago


"Have you tried turning it on and off?

funnily enough , that is exactly what id like to be able to do

ive even tried blowing in its ear ...

What problem are you having matey?"

well man , you know those funny merc keys ? the fob/chip chappys , it works the locks ok but when you offer it into the ignition switch it don't buzz and open the steering lock as it normally does so they key wont turn to start it ..... the wee cluster comes on when key putin as it should but nowt else ... ive checked battery in motor and key and checked fuses ...

Any ideas amigo ?

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By (user no longer on site)
over a year ago

Could be an immobilized fault or more commonly the antenna inside the steering column. First trick to try is to lower and raise the steering wheel a few times to see if that has an effect. If that doesn't work you need to remove the trim around the wheel to find the antenna connector and check the connection.

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By (user no longer on site)
over a year ago

Another thing is to check your owners handbook. There may be a way of manually entering the imobilser code, sometimes it involves turning the key and pressing the brake pedal in a certain sequence/combination.

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By (user no longer on site) OP   
over a year ago

ive extensively fiddled about with the steering column , took the trim under dash off and checked connections to electronic steering lock and gave it a dunt it case it was jammed .... yeah , read owners manual earlier and googled some merc forums and its looking like either a faulty key or maybe electronic switch / ignition barrel methinks ... hoping its just a new key ..... looks like its the stealership tomorrow ... thanks guy , im up for trying anything that's a possibility so cheers for the ideas

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By (user no longer on site) OP   
over a year ago


"Another thing is to check your owners handbook. There may be a way of manually entering the imobilser code, sometimes it involves turning the key and pressing the brake pedal in a certain sequence/combination."

yeah , the service resets and various changeable settings have odd sequences like that , but the key not turning in the electronic barrel prohibits any such footerings

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By (user no longer on site)
over a year ago

Have you tried disconnecting the battery negative lead and leaving it for 45mins to an hour? This may reset the ECU.

Depending on the model of the car a new key/imobiliser chip can cost upwards of £300 from a dealer.

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By (user no longer on site) OP   
over a year ago


"Have you tried disconnecting the battery negative lead and leaving it for 45mins to an hour? This may reset the ECU.

Depending on the model of the car a new key/imobiliser chip can cost upwards of £300 from a dealer."

Good call ! that does reset the ECU ,i'll give it a go ...... yeah I guessed it would be that kinda figure , hence tryin any ideas out first .... reckon they'll be around £70 an hour plus the bits and the vat ..... but if its what has to happen it has to happen ....

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By (user no longer on site)
over a year ago


"Have you tried disconnecting the battery negative lead and leaving it for 45mins to an hour? This may reset the ECU.

Depending on the model of the car a new key/imobiliser chip can cost upwards of £300 from a dealer.

Good call ! that does reset the ECU ,i'll give it a go ...... yeah I guessed it would be that kinda figure , hence tryin any ideas out first .... reckon they'll be around £70 an hour plus the bits and the vat ..... but if its what has to happen it has to happen .... "

You'd be surprised what an ECU reset can do....Lol

It may even delete the previously learned parameters and give you back some performance and fuel economy. Many of us Alfa Romeo drivers do it when we buy a new (used) car so it adapts to our driving style rather than any previous owners.

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By (user no longer on site) OP   
over a year ago

Aye , wish id thought of it ..... did it with an old BM I have , it ran like a bag o nails for about 50 miles then it was a missile ! .... ive disconnected it and locked it in the yard cos the door locks wont work , will just leave it till morning an see what happens

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By (user no longer on site) OP   
over a year ago

Nae joy .... It's now on its way to dealers ... Cheers anyway

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By (user no longer on site)
over a year ago


"Nae joy .... It's now on its way to dealers ... Cheers anyway

"

Let me know (here or pm) I'm always interested to know when and how things have been fixed.

Sorry I couldn't be more help too, it's always hard when the car isn't in front of me or there's no fault code to go on.

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By *andL-LiverpoolCouple
over a year ago

Huyton

Had a c class on my drive a few weeks ago for work, same problem, could of kicked myself when the owner came back and fixed it! The steering wheels were on full lock, shaking the steering and wiggleing the key was the answer !

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