GLK-Class (X204) Produced 2008-2014

2014 GLK 250 bluetec AdBlue warning

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Old 07-22-2016, 07:00 PM
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Originally Posted by KyKen
Sweet! Great Share!

I hope the dealer didn't charge you for the fake "ADBlue top off". That can be up to $15/USGal plus labor.
Fortunately I do not get serviced at a dealer. The shop I take it to has notes that say "customer adds their own DEF" - but they thought they added it anyway. The good news is that they at least didn't charge me for it, which in the end is especially good since it appears they never added any in the first place
Old 07-22-2016, 08:21 PM
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Advice very helpful,in my particular case the scan tool did remove the check engine light.
Based on your information, if there was amore serious problem I would need to take my 2014 MB Glk250 to the dealer, my local repair shop said they just purchased a $5,000 diagnostic scan tool that can accurately pull up the problem & could make the repair.
All my services ,Service Alerts for periodic service have been done in the last two years by my Auto service center..not the Dealer. The State I live in states that any service completed does not invalidate my Mercedes Benz Warranty...my service center uses genuine Mercedes Benz Parts,Filters,Air & Oil Mobil One Oil according to MB specifications.
I can add my own MB DEF Adblu at a considerate saving then have a MB Dealer charge me double the price...& ...an MB owner can add fresh DEF fluid from other brand names from other manufacturers that meet or exceed specification for MB AdBu Product.
It is tricky because if I did need to take my vehicle in ,I would research,if a warranty issue NOx failure.I would take it to another Mercedes Dealer but not to the dealer I purchased my Vehicle from...
In a particular case, I took my Mercedes Benz , for first scheduled 5K ,I filled the windshield washer fluid to the top & service tech said he added 8 ozs of washer fluid & charged $4.00
I pulled out of the dealership after the Service &the service tech did not remove the SERVICE ALERTS trouble codes,de- programmed the radio stations, & changed all the settings .Miles to Kilometers
They said they added 3 bottles of MB ADblu DEF at double the price..I learned my lesson.
Granted there were special warranties that I could have purchased and did not .
The add- on cost on the service sheet was inflated Shop supplies Rags, cleaning agents $30 was like going to the ER and paying $5.00 for one bandaid.
Old 07-23-2016, 09:31 AM
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can anyone help with my adblue problem?eng light came on at 37k and a faulty adblue sensor was replaced under warranty.At 40k and 3 months out of warranty it came on again.300 km away from home, and part way on a 2000k trip a dealer diagnosed fault and said that it was a 'adblue sensor' and at previous repair 'both the sensors' should have been replaced.,and as he didnt have parts in stock he cleared the light and advised me to keep going and 'get it fixed as soon as possible'
another 300km later the light came on again and 'start not possible in 800km message came up.
after 200 more km the 'start not possible' disapeared and 'no messages' came
up.
after I finished trip another dealer diagnsed the [said adble faulty] but said that as there was no fault present, could do no more.
Can anyone recomend a reliable OBD scan tool suitable for use, will the MB faults show up in sufficient detail to know if replacing sensors will fix problem.
Can the 'engine start not possible in xxx? km be removed so as a trip can be completed.
Can anyone supply me with a link to more info on location of sensors ,and replacement procedure thanks doug
Old 07-23-2016, 10:42 AM
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This site has some scanner recommendations: http://www.mercedesmedic.com/
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Old 07-23-2016, 10:53 AM
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Yes two different things typically with the adblue 10 start warning and the CEL.

You can drive with the light on but DEF definitely needs to be added with the 10 start warning. How many miles have you driven after the last ADBlue fill up?
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Old 07-23-2016, 03:19 PM
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If ad blue is just an additive for emissions, can you actually drive it without adding ad blue at all, like disable error code, etc?
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Old 07-23-2016, 03:36 PM
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Originally Posted by LesF
Yes two different things typically with the adblue 10 start warning and the CEL.

You can drive with the light on but DEF definitely needs to be added with the 10 start warning. How many miles have you driven after the last ADBlue fill up?
Wifey took it on her trip - she's put about 500 km on it since then and no issues, so hopefully that's all it was.

Still getting booked into the dealer for the faulty sensor issue.... but thankfully they look to be separate issues
Old 07-23-2016, 03:49 PM
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Originally Posted by sblvro
If ad blue is just an additive for emissions, can you actually drive it without adding ad blue at all, like disable error code, etc?
Without ad blue the vehicle will cease running.
Old 07-23-2016, 03:54 PM
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MBWORLD provide assurances that MB Owner will get the answers through members experiences.
Most Car Dealers** that I have experienced FORD & TOYOTA , always say the owner must use Genuine Parts .There is some truth to the Statement but the Dealer Inflate the price for everything.A specific example was the MB Dealer used Mercedes Benz BluDef from the same size container that I purchased from a On-line auto-parts store.The serious tech measured out 16 ozs into adaptive Funnel & charged 3 times the cost of the product MB Genuine AdBlu DEF.
After my bad experience with the MB Dealer,a senior member of MB World said "cut the top off the ADblu Bottle & the MB Owner has a ready made funnel that will not leak or overflow the Def tank fill port. A cheap ready made funnel..Thanks Senior Members...
Old 07-23-2016, 04:06 PM
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Don't allow the M-B dealer to greatly overcharge you for servicing your ad blue reservoir. Do it yourself. Similar to servicing your windscreen washer reservoir. And don't believe it when someone states you must use the M-B brand. No matter the brand its all the same...67% water, 33% urea. The stuff can be purchased at Walmart or any auto parts store.
Old 07-23-2016, 09:26 PM
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Adblue faulty warning system ml250

With the warning fault in my ml250 (40k) the ad blue was almost full (day later I filled at pump until it overflows, only 3litres) fault must be a sensor. Has anyone had the experience of actually seeing the tank, and/or sensors, let alone replacing them. Anyone have a link to tank/ pump/sensors.
Anyone with a scan tool reset the engine won't start message?
Any info appreciated. Doug
Old 07-26-2016, 06:03 PM
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Doug, take a look at the video I posted at the top of this page. A scan tool can't get rid of the 10 restart message, but the procedure in the video very well might work.
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Old 07-27-2016, 12:44 AM
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thanks for reply
I dont know much about site. Where is the video about adblue 'starts to go'
doug
Old 07-28-2016, 02:33 PM
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Check engine light

Originally Posted by larrypmyers
Without ad blue the vehicle will cease running.
This time I did not get "add blue" problem, just CEL.
(HAD FAULT P229FFB FOR NOx SENSOR 2.)

This is second time they replace NOx sensor - REPLACED DOWNSTREAM
NOx SENSOR. RECHECKED OK.CLEARED FAULTS
Old 07-29-2016, 02:40 AM
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Originally Posted by koalatm
Doug, take a look at the video I posted at the top of this page. A scan tool can't get rid of the 10 restart message, but the procedure in the video very well might work.

Vidio? where is a video on the page? or elsewhere on the site? thanks doug
Old 09-06-2016, 04:36 PM
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CEL and the 10 starts...

My CEL came on around 15000 miles…called the MB dealer and received an appointment and they said no worries unless car starts shaking or red engine light comes on (or starts blinking). Well, I'm waiting for my appointment and have driven a couple of times in town…10 starts came on. Anyone had this problem at 15000 or something similar, please ? Thank you ! PS. Checked Adblue….it's full.

Last edited by happy_ally; 09-06-2016 at 04:56 PM.
Old 09-07-2016, 08:11 AM
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Hopefully, you don't get a big bill,then again you might have a maintenance plan?
The check engine light problem can be caused by bad diesel,that experience I previously had ..I used approved fuel treatment and the problem went away, I review the fault with scanning tool.
Since you are going to MB Dealer ,hopefully you will get an honest technician that will solve the problem and you can enjoy your motoring experience once again...
Old 09-07-2016, 11:57 AM
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The mileage doesn't matter. Could happen at any time, and as HONDO mentioned, even bad diesel or bad DEF fluid could cause these types of issues.
Old 09-07-2016, 11:59 AM
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Originally Posted by HONDO250
Hopefully, you don't get a big bill,then again you might have a maintenance plan?
The check engine light problem can be caused by bad diesel,that experience I previously had ..I used approved fuel treatment and the problem went away, I review the fault with scanning tool.
Since you are going to MB Dealer ,hopefully you will get an honest technician that will solve the problem and you can enjoy your motoring experience once again...
I don't have a maintenance plan. I'm thinking this will be fixed under warranty ?
I've gone to the same gas station since I purchased the car.
What kind of scanning tool do you have ? Thank you.

Last edited by happy_ally; 09-07-2016 at 12:26 PM.
Old 09-07-2016, 03:07 PM
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I agree that sometimes Bad diesel and expired DEF can be a problem...
In terms of Bad DEF ,Storage and Shelf life is a factor ..I store my DEF indoors at Room Temperature. I presently use Mercedes Benz Brand from Large Container..It lasts about a Year...Last Trip To Michigan I used Two Quarts And used PEAK DEF on sale at the Auto Parts Store.
Exceeds or Meets the Standards of Mercedes Benz..Used old Quart Bottle with the proper fitting to refill...AS A funnel.. No chance to over fill.
The Diesel problem seems to occur when the Fuel is changing between seasonal Blend Summer & Winter Blending( That was my Case- Verified by State Weights & Measures..the Cetane Level was incorrect ..I never returned to that Fuel Stop & used an approved additive to correct the problem..I use Name Brand refilling at a Marathon oil station or fill at a Truck Stop with Shell,BP or Mobil Diesel..Self corrective without running to the MB Dealer.
I am in doubt they would have provided an explanation about bad fuel.Replacing some expensive part . There is a time to go when their is a confirmed Warranty Issue but I use a Repair Shop with Diesel Mechanic Knowledgable about MB.& remove Annoying Auto Alerts.
My Mechanic uses Mobil One and a Mercedes Oil Filter, Cabin Filters...They are expensive but the Labor Charge is Less.My Warranty Book is recorded and the warranty is not voided.
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Old 09-07-2016, 03:16 PM
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happy ally:
The scan tool I purchased through Amazon On-line ..I read carefully in my selection process but I believe being from Canada ,you could purchase the Right Scan Tool from Canadian Tire or another local parts store.
A scan tool can correct a Check engine Light but cannot remove The Scheduled Maintenance Alerts.. I do not use the MBDealer Rather, I take my MB GLK 250 MB to German Mechanic at a local Repair shop.He can remove those warnings and complete scheduled Maintenance the same as the MB Dealer.
Old 09-07-2016, 03:29 PM
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Originally Posted by HONDO250
happy ally:
The scan tool I purchased through Amazon On-line ..I read carefully in my selection process but I believe being from Canada ,you could purchase the Right Scan Tool from Canadian Tire or another local parts store.
A scan tool can correct a Check engine Light but cannot remove The Scheduled Maintenance Alerts.. I do not use the MBDealer Rather, I take my MB GLK 250 MB to German Mechanic at a local Repair shop.He can remove those warnings and complete scheduled Maintenance the same as the MB Dealer.
Could you please give me the link to the scan tool you purchased at Amazon. Thank you. :-)

Last edited by happy_ally; 09-07-2016 at 03:33 PM.
Old 09-07-2016, 09:18 PM
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happy ally
In response to your inquiry , I purchased the following Scan tool through Amazon Prime.
Autel AL519 Color Screen OBII/canScan tool
USD $ $66.46
There are other type scan tools on the market but I found the directions easy to understand ,steps are easy to follow. for this particular model. Review the specifications and see if this product will suit your needs.Periodic use of a scan tool can assist with identifying problems before you go for a repair..a back-up to compare what the mechanic technician says...In my case , as stated before ,I was able to solve the check engine problem and used an approved additive to fix the bad diesel fuel...during a cold winter fuel problem. As our diesel vehicles are used in Winter , certain things can be done to get peak performance during Cold Starts.
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Old 09-08-2016, 09:48 AM
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Originally Posted by koalatm
Also, I did find a way to circumvent the 10 restart message, but since the message went away I didn't get a chance to actually try it out:

Mercedes cars AdBlue bypass set-up and limited starts count reset. AdBlue OFF - YouTube
Thanks for that.

I listened to it just once. It would be good to write down the key sequences that the youtube poster used to bypass the error messages.

Noticed this hardware bypass advertised. Totally illegal, I am sure for actuall use!
http://www.kijiji.ca/v-cars-trucks/c...tec/1144052842
Old 09-08-2016, 03:47 PM
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Good info,Thank you


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