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Most Reliable Year of the W222?

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Most Reliable Year of the W222?

 
Old 06-27-2019, 10:20 AM
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Most Reliable Year of the W222?

Consumer Reports lists the MY2017 as most reliable for the W222. Your thoughts?
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Old 06-27-2019, 11:15 AM
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The 2017 has the M278 engine, and it is the last year which this 4.7L biturbo engine was used in the S class (S550). It is a tried and true engine and has a reputation for rock-solid performance and durability. Routine recommended service will get you to 200K miles without unusual hiccups. 2015, 2016, 2017 year versions are essentially identical so you're best off with the newest (least wear).

The newer inline-6 M256 and the newer 4L hot-V turbo M176 engine in the 2018+ models are newer engines and do not have long track records. The US version of the S450 was using a V6. However, you get the newest technology upgrades in the 2018 and 2019 models, and with the rapid changes in technology, it’s nice to have extra safety.

Last edited by bkdc; 06-27-2019 at 04:35 PM.
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Old 06-27-2019, 08:41 PM
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I think the most unanimous answer would be "get the newest year in your budget"
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Old 06-27-2019, 08:55 PM
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Originally Posted by bkdc View Post
The 2017 has the M278 engine, and it is the last year which this 4.7L biturbo engine was used in the S class (S550). It is a tried and true engine and has a reputation for rock-solid performance and durability. Routine recommended service will get you to 200K miles without unusual hiccups. 2015, 2016, 2017 year versions are essentially identical so you're best off with the newest (least wear).

The newer inline-6 M256 and the newer 4L hot-V turbo M176 engine in the 2018+ models are newer engines and do not have long track records. The US version of the S450 was using a V6. However, you get the newest technology upgrades in the 2018 and 2019 models, and with the rapid changes in technology, itís nice to have extra safety.
The V8 4 liter engine has been around for close to 5 years now, so it does have track record. The prior M278 for 7 years in the S and until now in the SL.


Both are solid engines. The newer M176 has been designed by AMG has been great while the M178 AMG engine had some CEL issues in the US which have been resolved via a software update.
It did result in quite a few buybacks, primarily on the E-class due to the slow response time from MB to get this resolved.

Last edited by Wolfman; 06-27-2019 at 09:01 PM.
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Old 06-27-2019, 10:27 PM
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My 16 Maybach now has about 65000 miles on it and its been a good car. Only out of the ordinary repairs are two idler pulleys (cost me less than $200) and an AC system recharge ($70). Add to it a couple early millage minor factory warranty items like a squeaky front end suspension arm thats all. Car runs great.

Last edited by Katie22; 06-28-2019 at 07:40 AM.
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Old 06-29-2019, 05:57 PM
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My 2015 S-600 has not had anything fail, or work other than designed.
It is hard to have fewer than zero issues.
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Old 06-29-2019, 11:40 PM
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Originally Posted by Mitch Alsup View Post
My 2015 S-600 has not had anything fail, or work other than designed.
It is hard to have fewer than zero issues.
That is amazing to hear for a 12 cylinder MB. People have the perception that they are SO expensive to maintain . Good to know...
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Old 07-01-2019, 08:19 PM
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Originally Posted by stever500 View Post
That is amazing to hear for a 12 cylinder MB. People have the perception that they are SO expensive to maintain . Good to know...
I had a 2007 S600 and the only thing that failed was an idler pulley at around 18,000 miles.

Move forward: I now have a 2017 S63 AMG with 77,000 miles!!!!!! Probably the highest mileage 2017 out there, and it has given me no problems at all except one day some misfires. Codes were checked and it never happened again. I think the 2015-2017 S classes are the best models in history of Mercedes Benz.

I nearly traded for a 2019 this past Saturday and declined. I said to myself, it's not giving me one sign of problems, why trade???

So to answer the question: I do agree that the 2017 model S classes have the highest reliability ratings above all other luxury automobiles.
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Old 07-01-2019, 08:20 PM
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2017 S63 AMG, 2016 E350
Originally Posted by Katie22 View Post
My 16 Maybach now has about 65000 miles on it and its been a good car. Only out of the ordinary repairs are two idler pulleys (cost me less than $200) and an AC system recharge ($70). Add to it a couple early millage minor factory warranty items like a squeaky front end suspension arm thats all. Car runs great.
My 2007 S600 had an idler pulley fail at 18,000 miles. Other than that, absolutely no problems at all. Was covered under warranty.
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Old 07-10-2019, 05:42 PM
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Any idea why the 2016 is 'Worse than Average" in Reliability?
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Old 07-10-2019, 10:48 PM
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Originally Posted by S550Joe View Post
Any idea why the 2016 is 'Worse than Average" in Reliability?
Says who? my MY2015 has been flawless for 33K miles. These are pretty reliable cars in my experience.
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Old 07-11-2019, 03:01 PM
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Originally Posted by superpop View Post
Says who? my MY2015 has been flawless for 33K miles. These are pretty reliable cars in my experience.
That must have been something he heard on CNN.
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Old 07-11-2019, 10:22 PM
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Originally Posted by MBS63AMG View Post
That must have been something he heard on CNN.
More than likely FAUX news
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Old 07-12-2019, 06:09 AM
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These days for the most part the only people that talk about a car having reliability issues are the garbage that trys to sell someone an extended warranty on a car. Make up some failures so as to scare the people into buying junk warranties.
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Old 07-12-2019, 04:54 PM
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Consumer Reports rates cars and publishes all the info in their March Issue. Mercedes S Class had an average reliability rating. I think that since there are so few S-Class cars out there, they are getting a small sampling (mostly of people complaining about something) and not getting a true picture. My 2017 S550 has 36,000 miles on it with zero issues. BTW, my lease is up in November and i'm seriously thinking of re-leasing my car or buying it out (I have to see what my buyout is). I love the car. Mine's pretty loaded too which helps.
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Old 07-14-2019, 02:15 PM
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2017 S63 AMG, 2016 E350
Originally Posted by bkdc View Post
The 2017 has the M278 engine,................
Are the AMG motors also coded as an M278 engine??
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Old 07-14-2019, 10:00 PM
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The Thread Starter posted a consumer report attachment which rated the 2016 S Class as 'Worse than Average'.
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Old 07-15-2019, 09:55 PM
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2017 S63 AMG, 2016 E350
Originally Posted by S550Joe View Post
The Thread Starter posted a consumer report attachment which rated the 2016 S Class as 'Worse than Average'.
What I read of that article is the S63AMG ranked in #2 and the S560 ranked #1.
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