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Mercedes 2014 Plate W212 Starting Issue

nadeem.nasar

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Joined
Jul 30, 2017
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14
Hi Guys,

After some advice please. Recently my car has been struggling to start first thing in the morning.

The vehicle cranks over but doesnt actually start. This has been an on-going issue and I have had a few Mercedes Benz Specialists check the car over. One had told me that the battery needs replacing and would fix the issue. After spending £310 on a brand new MB battery the issue is still there.

The main dealer also checked the issue last year and were quick to say it 'May' be due to the fact that I have a dashcam connected to the car. Since having the new battery installed I have had the dashcam disconnected so can confirm dash is not the issue.

I have had another Mercedes Benz Specialist check the car over and after connecting the Xentry Star Diagnosic computer to the car has told me the issue is more pointing towards the Fuel Rail (Which was replaced by the main dealer in March 2019). I have attached the fault codes that are stored on the car.

The question i have is if I was to take the car to another MB dealer who had not completed the work to replace the fuel rail and they highlight the issue is with the fuel rail again, are they within there rights to point me back to the original dealer who had replaced the fuel rail which was done under warranty.

Am I right to assume that parts have a 2 year warranty so technically speaking I would not have to pay for the work IF the conclusion is that that fuel rail is the issue again?

The Mercedes Benz Specialist who is highlighting the Fuel Rail Pressure Sensor to be the issue is telling me that you cant purchase the sensor on its own. You have to buy the whole rail. The cost for the fuel rail is £700. Is this also correct?

Any advice on the above would be really appreciated guys.

Thanks in advance.

Nadeem
20200124_121743.jpg 20200124_121710 2.jpg
 
You are right re the parts warranty, you're covered, and the best is to make a claim with the MB Dealer which did the change of the fuel rail. That should be straightforward. By going to another MB dealer will mean that they will have to make a claim with the first one and wait for approval to do the work, otherwise they will charge you - this involves bureaucracy which can be time/nerves consuming.
 
Hello MercedesDriver,

Appreciate the quick response.

The reason why I dont want to go back to the original main dealer who replaced the fuel rail is because of previous bad experience with them. They had damaged two of my wheels while the car was in there possession. The car no longer is under warranty anymore as I forgot to extend it. Either way the diagnostic charges would need to be paid.

Other concern I have is if I took it back to the main dealer who replaced the fuel rail and they turn around and say its something completely different (they were the main dealer who said the issue was because of my dashcam being fitted).
 
I don't see why you would need to pay for another diagnostic.
In 2019 you have reported them the issue with cold start. They did the diagnostics and as a result of that they have changed the fuel rail and charged you.
In 2020 you still have a problem with cold start - meaning they charged you for nothing, the problem is still there when it should have been solved the previous year.
Why this is happening? You have absolutely no idea why. It's up to them to sort it because you have already paid them. If they start picking up some other "possibilities" you have to question them why they charged you for fuel rail last year when it didn't solve the problem.
Re the damages to the car. Before handing them the keys ask for handover receipt with clearly marked present imperfections. In that way you will be able to claim any damages not picked up during handover.
 
When the fuel rail was replaced (March 2019) this was when the engine management light came on and it struggled to start. November 2019 the same problem occurred again and was given back to the same dealer to diagnose the issue. The conclusion from the visit in November was that the dashcam 'might' be the cause of the voltage drop. Ever since forking out on a new battery the dashcams been turned off. But the issue is still there. Am i within my rights to go back and say to them the issue you thought which was dashcam related is not the case as after having a new battery fitted and the dashcam disconnected,the issue is still there.

Ive spent so much on people trying to diagnose the fault where I have got to the stage that I just want to get rid of the car.
 
Guys,

Just to provide you with an update I had the car checked over by Mercedes Benz in Newbury yesterday. The completed diagnostic on the vehicle and confirmed the issue was with the fuel rail on the car.

My response was seeing as the fuel rail was replaced last year by Mercedes Benz of Beaconsfield the part would be covered under the 2 years manufacturers part warranty.

Now here is where I need some advise because what i was told was the following :

As the initial work that was carried out last year to replace the fuel rail was under the extended use and approved warranty I had been paying for on a month by month basis AND also because I had not contributed to any of the cost towards the part that was replaced they do not cover the part for 2 years.

Has anyone ever come across the same issue?

What I was told was had I have even contributed 1p towards any of the warranty work on the car the 2 year part warranty would be active.

Now when the work was being taken out no one mentioned this to me, otherwise I would have paid at least something towards the cost to fix the issue.

Now I dont know where I stand as Mercedes Benz Customer Services have also said MB Newbury are correct with what they are saying.

The cost to get this fixed by the main dealer is £1,315.

Any thoughts please guys?

Thanks

Nadeem
 
To me, this doesn't sounds right. It just doesn't make sense.
As I understand it, you have paid for warranty at the moment you've paid a car. It was calculated in their "Approved Used" car price.
Maybe somebody else with more experience with approved used cars can shed some light on this.
 
The used approved warranty which was provided with the car had run out in 2018 as I had purchased the car in 2017. (Usually only cover the car for 1 year)

I renewed the used approved warranty which was something I was paying monthly installments for until June 2019 which was when the warranty had expired.

It just doesnt make sense. The whole point of warranty is to cover you for any issues which it did last year.

Not sure which avenue to go down now.

Thanks

Nadeem
 
http://tools.mercedes-benz.co.uk/cu...ner/TradePartner_Parts_Warranty.pdf?owda=misc
This does say that if it was replaced under warranty then the warranty isn't 2 years sadly. Doesn't make much sense but there you go. Maybe see if any goodwill can be called upon to reduce the overall bill, or get someone to check the wiring in case its something simple. Sadly thats unlikely and it will most likely be a sensor fault.
 
Guys,

Just wanted to provide you with an update.

Mercedes Benz of Newbury rang me this morning and after speaking to the warranty team they have agreed to replace the fuel rail with no cost to me.

Reason being because I had purchased the extended warranty from them (paying a total of around £860).

Thank you so much for your input(s). It is appreciated.

Regards

Nadeem
 
Hi Guys,

Now back with more of an update.

The car has had the Fuel Rail replaced by the main dealer, however even with it replaced the car struggled to start.

They then went down the route of checking the battery (baring in mind the car battery was replaced November last year) and decided to replace this as well thinking this would fix the issue.

They rang me up this morning and told me the car struggled to start again this morning. The technician went out and cranked the car over and it struggled. As soon as he connected a battery power pack it gave the car that extra voltage to start the car.

Now they are saying it maybe an issue with the wiring and want to charge me £321 to check the wiring as this can only be the final place where the issue lies.

Any ideas people?

Thanks

Nadeem
 
Just another update for you guys.

The car has been with the main dealer since the middle of February.

After replacing the fuel rail they realized it didnt fix the issue so then decided to replace the car battery (baring in mind this was replaced back in November 2019) as they thought the issue was with the car battery being faulty.

That didnt fix the issue so they then mentioned maybe its a wiring issue from the battery to the fuel rail sensor so needed me to authorise 2 hours labour to check wiring and replace connectors from battery to car. This also did not fix the issue.

They then mentioned it maybe the fuel pump. So they decided to take a fuel pump out of a W212 model similar to mine on there forecourt. Replaced this on my vehicle, however this didnt fix the issue. They also tried to Fuel Pump relay as well and realised this wasnt the issue either.

Now they have come to a conclusion that the ECU on the car is faulty. Part has been ordered and they are currently in the process of replacing this in the car and I am awaiting a call back with an update.

What was suppose to be a free of charge fix to me so far has cost me £875......

Will provide a further update once I have more information.

Thanks

Nadeem
 

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