GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

Advice on GL350 Bluetec

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Old 11-21-2018, 01:39 PM
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W210 E220 CDI
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Hello everybody!


I am a new member here, but I have been always reading interesting materials on mbworld.org

I am living in Europe (Poland) and owning W210 E220 CDI, what is more, all the maintenances of it I've done myself, since the purchase. My previous car was a diesel engine as well (W204 C220 CDI), I'm kind of a fan of OM diesel engines. Recently, I 've been thinking about buying a slightly damaged X164 GL350 Bluetec from Copart. As you know, when the car is such old (year 2001), you need to take care of it all the time. No wonder, I got already used to diesel engines and for this reason I am considering the choice GL350 Bluetec over GL450. Could you let me know if GL350 has any chronical issues ? Is GL350 worth buying ? Is OM642 a reliable engine or problematic?


Greetings from Poland
Old 11-21-2018, 02:16 PM
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E55, GLS450, GL63, GLE350
Just look at the topic right below this one and it should give you the answer. Spend another 10 minutes looking at topics below that one and it should leave no doubt as to the direction you should take.
Old 11-21-2018, 03:37 PM
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Honestly, I spent an hour on forum but could not find the answers which I needed actually
Old 11-21-2018, 04:00 PM
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So I am gonna ask next question

Is it 155KW (208HP) ? Do you recommend any chip tuning box? Yesterday I asked the price of Kleemann KD-Box, they told me that, it will cost around 900 Euro.
Old 12-20-2018, 04:17 AM
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2013 GL550, 2013 GL450 (sold), 2010 GL350 (sold)
Originally Posted by KBC55411
So I am gonna ask next question

Is it 155KW (208HP) ? Do you recommend any chip tuning box? Yesterday I asked the price of Kleemann KD-Box, they told me that, it will cost around 900 Euro.
X164 GL350 BlueTEC = BUYER BEWARE
These have so many issues and it's a living nightmare! But, if you do want to do this you need to delete a lot emissions equipment ASAP.
Old 12-20-2018, 01:51 PM
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Originally Posted by quron_southwest
X164 GL350 BlueTEC = BUYER BEWARE
These have so many issues and it's a living nightmare! But, if you do want to do this you need to delete a lot emissions equipment ASAP.
the issues with the gl350 that get coverage on this forum are unique to us spec gl due to the unique requirements in the US for the emissions system.

Polish and more importantly all European diesels are fine!


Although the Urea tank and heater are universal problems.
Old 12-20-2018, 03:52 PM
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Originally Posted by quron_southwest
X164 GL350 BlueTEC = BUYER BEWARE
These have so many issues and it's a living nightmare! But, if you do want to do this you need to delete a lot emissions equipment ASAP.
With all due respect, your impression is not totally accurate!
I have had several since the BlueTec introduction, including an ML 350 and GL 350 now. All with zero issues!

Regards to all!
Old 12-20-2018, 04:22 PM
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Originally Posted by srh
With all due respect, your impression is not totally accurate!
I have had several since the BlueTec introduction, including an ML 350 and GL 350 now. All with zero issues!

Regards to all!
Srh. I just read some of your posts and it seems you change cars quite often. Is that true?

A lot of the US bluetec issues come in year 5,6,7,8 of ownership.
Old 12-20-2018, 04:51 PM
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Originally Posted by kombifan


Srh. I just read some of your posts and it seems you change cars quite often. Is that true?

A lot of the US bluetec issues come in year 5,6,7,8 of ownership.
I have had some as long as five years, but not longer in the BlueTec era. I have had some older diesel models as long as 12 years.
What specifically are the issues? Perhaps I should look it up. Thanks for chiming in!
Old 12-20-2018, 05:30 PM
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2010 Mercedes GL450; 2000 Mercedes ML55 AMG; 2016 VW GLI SEL Stick!!!
Originally Posted by srh
I have had some as long as five years, but not longer in the BlueTec era. I have had some older diesel models as long as 12 years.
What specifically are the issues? Perhaps I should look it up. Thanks for chiming in!
urea tank heater fails
Urea tank crustakizzes requiring cleaning
Urea tank cracks in cold temperatures

Oil cooler leaks.
Various sensor failures
Sludge due to superheated oil from turbo
Dpf failure
Egr failure
Swirl flaps failure
Leading to..
Perpetual limp home mode for many people
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Old 12-20-2018, 07:04 PM
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Originally Posted by kombifan
Srh. I just read some of your posts and it seems you change cars quite often. Is that true?

A lot of the US bluetec issues come in year 5,6,7,8 of ownership.
+1. Thank goodness for ELW. It certainly fixed a lot of these issues. Now, I have a good Indy who can do preventative also.
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