ADBLUE issue following software update

[danielxjones]

Hello everyone,

Newbie here based in Solihull.

I've got a 2015 GLE250 that I bought used in Jan 2020 with 70k on the clock (FSH). I've done 12k miles in the 14 months since I purchased the car and it has been serviced as required.

I took the car in last Monday for the emissions software update and as I turned the car on to leave the forecourt I got an Adblue levels low warning message. Since the message appeared I have put 20l of Adblue in to the car but despite this I had the 500 mile countdown start so have taken it back to the MB garage to get it checked over. They have taken a look at it and filled the tank further but despite this it is still showing that there's only 3l of Adblue in the tank when it should be full. It feels like too much of a coincidence (or maybe just bad luck) for the Adblue problem to start right after it has been in the garage for a software update related to the emissions but I've been told in no uncertain terms by the garage that they aren't linked. They are now running the diagnostics to confirm what's causing the issue for the princely sum of £110.

Just wondering what other experiences people have had, I have had a look through the forum and seems it's a common theme. Should I brace myself for a big bill come 5pm this evening?

 

[Blobcat]

Ad Blue pump failing and failing to report correct level has been on here a few times - usually with a ££££ bill
There has been one thread where a member had the system taken apart and cleaned as the ad blue crystallises very easily - MB won't do that... they'll replace the tank and pump in one go

 

[Blobcat]

Found the thread Adblue problem

 

[danielxjones]

Thanks for the reply Blobcat. Looking at that thread now

 

[Woodleigh]

I took the car in last Monday for the emissions software update

I had that update18 months ago on my W205d Dan and I was told the car would use more Adblue but performance would not be affected.

This turned out to be correct.

 

[Botus]

I wrote this last week

Lambda / Oxygen sensor on C320cdi 2006 - help!

Hi all, Took a look underneath today to check out access to the sensor and give it a spray with WD40 before ordering a new sensor - hopefully to clear the fault codes P0030 P0130 & P0135 and the hesitation followed by limp mode that is getting worse. I found the oxygen sensor with a 22mm nut...

forums.mercedesclub.org.uk

If you have a later tractor you'll get these extras in the first 5 years

NOx sensors (£900)
DPF sensors (200?)
Software updates (£???)
Ad blue tank failure (£1900)

 

[mersum1es]

That is now reported continuosly; NOx sensor failure (oh yeah also some level sensor, dose injector failures...) followed by softaware 'update'... if dealer wants do that, ask them to change both sensors as well. If they declaine do that for free (it depends on sensor versions), wait until system fails otherwise (IT WILL...) and to the software update at same time/money...