Over 6 months

[Deleted member 156087]

What to do if the mechanic has your car for over 6 months….

Went in for a fix, car is now worse than when it went in, still at the mechanics, with no end in sight.

 

[DSM10000]

Why did it go for repair initially ?

Are they waiting for parts that are on backorder and have they given you updates on work carried out so fa?

 

[Deleted member 156087]

Why did it go for repair initially ?

Are they waiting for parts that are on backorder and have they given you updates on work carried out so fa?

Didn’t want to go in such detail due to the possibility of the mechanic being on this site but here it is. It went in for a misfire at cylinder 1 and 3. Apparently done all checks and it came down to two things. ECU or Wiring loom. He bought one, didn’t work (apparently fried itself or something. To avoid another delay (takes this individual an extremely long time to order let alone delivery), we ordered a ECU and a wiring loom (2 weeks for international delivery from Lithuania + Next Working Day for ECU compared to his over 1 month delivery for an ECU from France). They both arrived promptly. Took another month+ for installation. Car wouldn’t turn on. Says it’s the ECU. Calls a Mercedes Specialist company and they say it’s the ECU too. So we got it replaced by the company. Apparently same thing so we sent it back for a refund. Now back to square one but this time he said the Specialist will get an ECU. Been another month and yet to hear from the mechanic unless we pester him for updates (might even get angry at us again at the indecency of us asking for an update)

 

[markjay]

Is this your father's B-Class 2012 W246?

 

[DSM10000]

Didn’t want to go in such detail due to the possibility of the mechanic being on this site but here it is. It went in for a misfire at cylinder 1 and 3. Apparently done all checks and it came down to two things. ECU or Wiring loom. He bought one, didn’t work (apparently fried itself or something. To avoid another delay (takes this individual an extremely long time to order let alone delivery), we ordered a ECU and a wiring loom (2 weeks for international delivery from Lithuania + Next Working Day for ECU compared to his over 1 month delivery for an ECU from France). They both arrived promptly. Took another month+ for installation. Car wouldn’t turn on. Says it’s the ECU. Calls a Mercedes Specialist company and they say it’s the ECU too. So we got it replaced by the company. Apparently same thing so we sent it back for a refund. Now back to square one but this time he said the Specialist will get an ECU. Been another month and yet to hear from the mechanic unless we pester him for updates (might even get angry at us again at the indecency of us asking for an update)

Take the car back and get it to the Mercedes specialist.

The garage who have it sound as if they have no idea what the fault is and also sound rather. disorganised

 

[Deleted member 156087]

Take the car back and get it to the Mercedes specialist.

The garage who have it sound as if they have no idea what the fault is and also sound rather. disorganised

One question with that is… do ECUs of automatic cars and manual cars have the same model numbers (when they claimed it was the ECU to be the problem they said it was an Automatic ECU for a Manual car, I checked the numbers on the ECUs and they are both the exact same).

 

[DSM10000]

One question with that is… do ECUs of automatic cars and manual cars have the same model numbers (when they claimed it was the ECU to be the problem they said it was an Automatic ECU for a Manual car, I checked the numbers on the ECUs and they are both the exact same).

Automatics have a separate transmission control unit in addition to the engine ECU,

It is conceivable that the engine ECU's have the same part number, possibly with differences in software engineer I don't have access to the MB EPC so cannot check.

 

[martyz]

A new ECU will need coding on Star,a Secondhand one will not work as it is coded to the car it came from.

speak to a Mercedes trained specialist ,dealer or a good independent for a solution

 

[Deleted member 156087]

But what to do… I’m confused. When he put in the very fist ECU replacement (they dont have access to those systems like Star). It apparently ran great but then somehow the ECU burnt out. The one I bought the specialist claimed it’s an Auto ECU for a manual car (the company I got it from cloned my one onto their one). Regardless they sent a replacement and apparently the same thing. So I got a refund for that. Now they are claiming that the specialist can get me an ECU for similar pricing but it’s been over a month and the mechanics haven’t replied for over 2 weeks… I don’t want to pull the car from them and then they blame me for pulling the car too early before they could finish it. That’s important because the car is in a worse state than when I gave them it. It used to run and drive now it won’t turn on and everytime I tell the mechanic to use the old ECU (the one that at least runs and drives but they claim has the faults) they don’t do it. So I’m sensing a coverup for a repair gone wrong and they don’t know what to do with it. And if I pull the car I don’t want their argument to me “you pulled it before we could finish. What did you expect it’s your responsibility now” whilst being in a worse state than before.

 

[fabes]

Get the car to MSL.

You may need to settle a bill with the garage for some work, but not for failed experiments.
They will probably be glad to get the space back....