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Adblue unplugged and coded out

Woodcroftman

New Member
Joined
Sep 17, 2024
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4
Location
UK
Car
W212
Hi everyone. I have recently purchased E350 estate 2013 and I am (right up until now) delighted. I have just had a call from my local MB Specialist, who I have asked to give the car a check over for me prior to a long Europe road trip, to tell me that the Adblue control unit has been unplugged and the SCR system coded out. They tell me - naturally - that there may be any number of reasons for this but as I only bought the car 60 days ago, that this should have been picked up by the 'approved' MB used car dealership that sold me the car before selling it on to me. I'd welcome all and any advice and guidance on this... my service dealership who I have a long realtionship with and trust completely say that the uplugging and coding out are deiberate actions/choices that someone has to have made and that there is 'no way' a credible MB specialist should have missed it. Comments please. Thanks in advance.
 
Welcome aboard I suppose the selling MB dealer will have to restore the Adblue and the SCR system,or you can reject the car.
 
I'm guessing it will have been coded out because of numerous and potentially expensive faults with the Adblue system. Dealer obviously doesn't want to have to repair those...
 
Welcome.

Some on here will tell you that you should consider yourself lucky for having bought a car with the 'AdBlue Delete' already done....

The obvious benefit is that you will not experience the usual expensive AdBlue faults.

The downsides are that (a) you are driving a vehicle that emits harmful exhaust pollution due to having one of its emission control systems disabled, and (b) you're driving a car that is technically unroadworthy, and in the event that it is entered into the MOT testing schedule in future, you might even find yourself with a car that has failed its MOT.

And, again technically speaking, now that you are aware of the modification, you should declare it to your insurer.

The short answer is: take the car back to the dealer that you bought it from, ask them to code the AdBlue back in, and repair whatever was the original fault was that caused the previous owner to carry out the 'AdBlue Delete' modification.

(Having said that, personally, I would take the car back and try to have it rejected or replaced with a petrol vehicle - I would not want to own any car that has the MB AdBlue system fitted)

Best of Luck.
 
About time VOSA got its shit together to stop this. America is more vigorous >> MSN

OP. Unfortunately you have bought someone else's bodged effort. Return it. It shouldn't be on the road let alone be legitimately sold. Threaten any objectors with VOSA re MOTs issued in its current state and who performed the modification(s). When you're done - report it to VOSA anyway.
 
Any modification to the manufacturer's fitted emissions controls is already an MoT failure. What's needed is more random secret checks on testers
 
Whatever happened before with the car, it's not exactly a glowing endorsement of the MB Approved Used scheme is it?
Hope you get it satisfactorily sorted OP 🤞
 
I'm guessing it will have been coded out because of numerous and potentially expensive faults with the Adblue system. Dealer obviously doesn't want to have to repair those...
Hey whitenemesis. Thank you. Appreciate you taking the time to reply.
 
Hey everyone. Thanks for the replies. All understood and appreciated.
 
Welcome.

Some on here will tell you that you should consider yourself lucky for having bought a car with the 'AdBlue Delete' already done....

The obvious benefit is that you will not experience the usual expensive AdBlue faults.

The downsides are that (a) you are driving a vehicle that emits harmful exhaust pollution due to having one of its emission control systems disabled, and (b) you're driving a car that is technically unroadworthy, and in the event that it is entered into the MOT testing schedule in future, you might even find yourself with a car that has failed its MOT.

And, again technically speaking, now that you are aware of the modification, you should declare it to your insurer.

The short answer is: take the car back to the dealer that you bought it from, ask them to code the AdBlue back in, and repair whatever was the original fault was that caused the previous owner to carry out the 'AdBlue Delete' modification.

(Having said that, personally, I would take the car back and try to have it rejected or replaced with a petrol vehicle - I would not want to own any car that has the MB AdBlue system fitted)

Best of Luck.
Absolutely 100% correct. 👍
 

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