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Im a new member. I recently bought a W205 c220 BlueTec. I just have a question about the adblue for these vehicles. I see on the display of the car the level shows empty, but the distance shows 10000km.
I assume this is not normal?
Is it possible that the previous owner somehow bypassed the system?
If so, how can I check?
Thanks for any insights.
Last edited by henkjooste; Feb 17, 2024 at 02:11 AM.
Reason: added photo
Perform a scan of the vehicle and see if you have communication with the SCR/Adblue control module. When the systems has been deleted most of the time it has been unplugged.
2016 GLC 250d AMG pack, 2017 GLC Coupe 250d AMG pack , 2002 BMW 330Ci convertible, 2021 BMX X1 sD20i
Hopefully some good news. We never let our AdBlue drop below 50%. Top up with quality AdBlue that is recently made and stored in a cool place. 50Km into a 125km trip the error message activated, 15 min later the display said 800km range till engine shuts down. Got to destination, stayed there 5 hours and commenced return journey. Still no level detected and 800km range reducing by 120km when we returned. Got quotes for new tank - $3400, 4 month back order from Germany, no stock. AdBlue delivery pump - $$1800, in stock. Nox sensors x 2 _ $1650 each.
Risk the tank, pump or sensors has been disabled due to crystallisation in tank.
Research let to some manuf, all overseas who sold a AdBlue additive - used in AdBlue tank. Selected brand “Forte” and preferred option, 125ml services 20l tank Benz tank is 27l.
Car rested for 4 days, battery charger connected to top up battery in case electrical knock on ??
Ordered “Forte” Exhaust Crystal Preventer from UK, DHL Express delivery, arrived in Oz6 days later.
1 x bottle dispensed, sat for 3 hours. On starting engine alert still on dash. AdBlue tank now seeing virtually full tank - 700km range gone, no messages on screen except for engine light - I suspect it will go when error codes cleared.
Drove GLC at 100kph for 30 min ,rested car 2 hours and returned @ 100kph for 30 min. No more issues !!!
Hopefully this id the golden arrow that fixes the issue. Forte recommend 1 x bottle every AdBlue fill - won me.
Hope this helps.
2016 GLC 250d AMG pack, 2017 GLC Coupe 250d AMG pack , 2002 BMW 330Ci convertible, 2021 BMX X1 sD20i
Update to AdBlue issue / warning. GLC250D) Bottle of “Forte” in AdBlue tank seems to have worked for me. 1. AdBlue tank is now reading and functioning levels. 2. Warning distance till engine stops and will not restart has gone - car has done this, no OBD11 used. 3. Engine light turned itself off this week - again no OBD11 used.
I might buy an OBD11 unit to analyse car and see if any error codes remain and what they are before deleting them ?
Hopefully cured, will monitor, use another bottle of “Forte” when I top up AdBlue, might wait till tank is 25% remaining Looking at replacing AdBlue with another brand - “Clearonox or Clearnox” sold here in Australia - it has a crystalisation reducer to stop or minimise the issue. Combined with “Forte” I am hoping no more concerns. Might have dodged a $6000 repair bill.
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