Let's talk reliability of W222 S63
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
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from your link in Post 22
Last edited by PeterUbers; Feb 14, 2025 at 03:59 PM.
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2001 S600 V12 Sold, 2011 Jaguar XFR Sold, 2017 S550 4-Matic, 2018 S63 AMG Sedan
But to share some perspectivve, we're "just" talking about an oil leak, not a sutiation where you'll get stranded on the side of the road. It's messy, and will cost you a bunch of money to fix, but it's not a driveability problem or something that causes other problems. Most people discover it through drops of oil on the driveway or when they go in to replace spark plugs or do some other service. It sucks because it's so costly - very disapponting based on the cost of these cars, puts the car out of commission for a week or more, and it's not something that every little shop can handle.
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https://mbworld.org/forums/c63-c63s-...ml#post8903940
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from your link in Post 22
https://mbworld.org/forums/#
from your link in Post 22
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
Thanks a lot so I did miss it, I wouldn't thought it was immune since it has the M177 but they are so rarely reported or not reported at all until you pointed that one at me. Maybe that isn't the only one and I missed a bunch others, do you happen to come across other posts?
2020 c63
https://www.reddit.com/r/AMG/s/8Z1w1UAQ9q
Last edited by PeterUbers; Feb 14, 2025 at 06:06 PM.
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on reddit there is a case- certainly not as many as the e63
2020 c63
https://www.reddit.com/r/AMG/s/8Z1w1UAQ9q
2020 c63
https://www.reddit.com/r/AMG/s/8Z1w1UAQ9q
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From: unbegrenzt
2017 GLE350 4MATIC
The OVS failure seems to be related to blowby and vehicle installation.
Blowby: more power = more blowby. W222 uses M176 (460hp, least blowby of the M17x family), W205 uses M177 LS1 (500hp, less blowby) and W213 uses M177 LS2 (600hp, more blowby).
Vehicle installation: the OVS system uses cheap plastic tubes and cheap plastic reservoirs (OVS or catch can) with cheap plastic check valves and diaphragms. Temperature and gravity gradients along the flow path cause different behaviors in W205 and W213 as it relates to condensation/impingement and filtration of oil mist and particulates.
From W222 non-AMG to W213 AMG there is a 30% difference in power and nearly no difference in available space (arguably less space in W213) for the OVS system. This is a big engineering error by MB. The OVS system should be proportionally sized to its blowby demand. In a perfect world the tubes should be heated or internal to the engine where waste heat can keep the vapor in suspension while traveling through the tubes.
Without spending alot of time sorting through part numbers, it looks like online sellers are offering OVSs interchangeably for W205, W213, W222 and Aston DBX (DBX has more power than W205 AMG). This suggests that MB mistakenly took a one-size-fits-all approach to the OVS system.
In summary MB failed again. I would avoid any M17x vehicle out of original manufacturer's warranty.
Blowby: more power = more blowby. W222 uses M176 (460hp, least blowby of the M17x family), W205 uses M177 LS1 (500hp, less blowby) and W213 uses M177 LS2 (600hp, more blowby).
Vehicle installation: the OVS system uses cheap plastic tubes and cheap plastic reservoirs (OVS or catch can) with cheap plastic check valves and diaphragms. Temperature and gravity gradients along the flow path cause different behaviors in W205 and W213 as it relates to condensation/impingement and filtration of oil mist and particulates.
From W222 non-AMG to W213 AMG there is a 30% difference in power and nearly no difference in available space (arguably less space in W213) for the OVS system. This is a big engineering error by MB. The OVS system should be proportionally sized to its blowby demand. In a perfect world the tubes should be heated or internal to the engine where waste heat can keep the vapor in suspension while traveling through the tubes.
Without spending alot of time sorting through part numbers, it looks like online sellers are offering OVSs interchangeably for W205, W213, W222 and Aston DBX (DBX has more power than W205 AMG). This suggests that MB mistakenly took a one-size-fits-all approach to the OVS system.
In summary MB failed again. I would avoid any M17x vehicle out of original manufacturer's warranty.
Last edited by chassis; Feb 15, 2025 at 06:52 AM.
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The OVS failure seems to be related to blowby and vehicle installation.
Blowby: more power = more blowby. W222 uses M176 (460hp, least blowby of the M17x family), W205 uses M177 LS1 (500hp, less blowby) and W213 uses M177 LS2 (600hp, more blowby).
Vehicle installation: the OVS system uses cheap plastic tubes and cheap plastic reservoirs (OVS or catch can) with cheap plastic check valves and diaphragms. Temperature and gravity gradients along the flow path cause different behaviors in W205 and W213 as it relates to condensation/impingement and filtration of oil mist and particulates.
From W222 non-AMG to W213 AMG there is a 30% difference in power and nearly no difference in available space (arguably less space in W213) for the OVS system. This is a big engineering error by MB. The OVS system should be proportionally sized to its blowby demand. In a perfect world the tubes should be heated or internal to the engine where waste heat can keep the vapor in suspension while traveling through the tubes.
Without spending alot of time sorting through part numbers, it looks like online sellers are offering OVSs interchangeably for W205, W213, W222 and Aston DBX (DBX has more power than W205 AMG).
In summary MB failed again. I would avoid any M17x vehicle out of original manufacturer's warranty.
Blowby: more power = more blowby. W222 uses M176 (460hp, least blowby of the M17x family), W205 uses M177 LS1 (500hp, less blowby) and W213 uses M177 LS2 (600hp, more blowby).
Vehicle installation: the OVS system uses cheap plastic tubes and cheap plastic reservoirs (OVS or catch can) with cheap plastic check valves and diaphragms. Temperature and gravity gradients along the flow path cause different behaviors in W205 and W213 as it relates to condensation/impingement and filtration of oil mist and particulates.
From W222 non-AMG to W213 AMG there is a 30% difference in power and nearly no difference in available space (arguably less space in W213) for the OVS system. This is a big engineering error by MB. The OVS system should be proportionally sized to its blowby demand. In a perfect world the tubes should be heated or internal to the engine where waste heat can keep the vapor in suspension while traveling through the tubes.
Without spending alot of time sorting through part numbers, it looks like online sellers are offering OVSs interchangeably for W205, W213, W222 and Aston DBX (DBX has more power than W205 AMG).
In summary MB failed again. I would avoid any M17x vehicle out of original manufacturer's warranty.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
The OVS failure seems to be related to blowby and vehicle installation.
Blowby: more power = more blowby. W222 uses M176 (460hp, least blowby of the M17x family), W205 uses M177 LS1 (500hp, less blowby) and W213 uses M177 LS2 (600hp, more blowby).
Vehicle installation: the OVS system uses cheap plastic tubes and cheap plastic reservoirs (OVS or catch can) with cheap plastic check valves and diaphragms. Temperature and gravity gradients along the flow path cause different behaviors in W205 and W213 as it relates to condensation/impingement and filtration of oil mist and particulates.
From W222 non-AMG to W213 AMG there is a 30% difference in power and nearly no difference in available space (arguably less space in W213) for the OVS system. This is a big engineering error by MB. The OVS system should be proportionally sized to its blowby demand. In a perfect world the tubes should be heated or internal to the engine where waste heat can keep the vapor in suspension while traveling through the tubes.
Without spending alot of time sorting through part numbers, it looks like online sellers are offering OVSs interchangeably for W205, W213, W222 and Aston DBX (DBX has more power than W205 AMG).
In summary MB failed again. I would avoid any M17x vehicle out of original manufacturer's warranty.
Blowby: more power = more blowby. W222 uses M176 (460hp, least blowby of the M17x family), W205 uses M177 LS1 (500hp, less blowby) and W213 uses M177 LS2 (600hp, more blowby).
Vehicle installation: the OVS system uses cheap plastic tubes and cheap plastic reservoirs (OVS or catch can) with cheap plastic check valves and diaphragms. Temperature and gravity gradients along the flow path cause different behaviors in W205 and W213 as it relates to condensation/impingement and filtration of oil mist and particulates.
From W222 non-AMG to W213 AMG there is a 30% difference in power and nearly no difference in available space (arguably less space in W213) for the OVS system. This is a big engineering error by MB. The OVS system should be proportionally sized to its blowby demand. In a perfect world the tubes should be heated or internal to the engine where waste heat can keep the vapor in suspension while traveling through the tubes.
Without spending alot of time sorting through part numbers, it looks like online sellers are offering OVSs interchangeably for W205, W213, W222 and Aston DBX (DBX has more power than W205 AMG).
In summary MB failed again. I would avoid any M17x vehicle out of original manufacturer's warranty.
tuned m17X's should be higher risk for OVS fail and RMS leak therefore ... or perhaps counterintuitively these tuned rides are driven harder and get up to temp more frequently ...
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S
My 2018 was a very reliable vehicle for 69k miles. It had the rear seal issue. A few other quirks, but nothing that affected drivability or put it in the shop for major repairs. Should not have sold it. I am considering buying another, but they are not easy to find. You have to maintain them correctly and that is where the expenses add up. Brakes, tires (Michelin 4s only), services - all relatively expensive.
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2001 S600 V12 Sold, 2011 Jaguar XFR Sold, 2017 S550 4-Matic, 2018 S63 AMG Sedan
The prucahse price for my car was $107K less than the factory sticker. I have no idea if the original owner paid that or got a bunch of money off. The car only had 37K miles so I wasn't bothered. I just factored it in as if the RMS WAS going to fail. So in essence I paid purchase price for a used S63, plus $5K for the RMS repair. But the $5k for the repair is in my pocket until I use it. Another option would be to get the warranty from Trenton at Highline Autos, then you're covered for the RMS and any other repair. All "drama" aside, the OP gets to make that decision based on his desire versus risk tolerance calculation.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
I agree with everything said except for the statement about avoiding it without a warranty. I know we don't all look at thiings the same way but if one is considering a W222 S63, you're already saving 50K-100K or more from the sticker price, so an extra $5K shouldn't be the end of the world.
The prucahse price for my car was $107K less than the factory sticker. I have no idea if the original owner paid that or got a bunch of money off. The car only had 37K miles so I wasn't bothered. I just factored it in as if the RMS WAS going to fail. So in essence I paid purchase price for a used S63, plus $5K for the RMS repair. But the $5k for the repair is in my pocket until I use it. Another option would be to get the warranty from Trenton at Highline Autos, then you're covered for the RMS and any other repair. All "drama" aside, the OP gets to make that decision based on his desire versus risk tolerance calculation.
The prucahse price for my car was $107K less than the factory sticker. I have no idea if the original owner paid that or got a bunch of money off. The car only had 37K miles so I wasn't bothered. I just factored it in as if the RMS WAS going to fail. So in essence I paid purchase price for a used S63, plus $5K for the RMS repair. But the $5k for the repair is in my pocket until I use it. Another option would be to get the warranty from Trenton at Highline Autos, then you're covered for the RMS and any other repair. All "drama" aside, the OP gets to make that decision based on his desire versus risk tolerance calculation.
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From: Phoenix
222 S-65
OP are you stuck on the S-63? Find and drive an S-65 if only for the sake of comparison.
No rear main seal or OVS issues for the Bent 12. Bent 12 powered cars get Magic Body control and are found more often with Carbon Ceramic brakes for zero wear in brake rotors and brake pads that live to 100,000 miles. My 2015 with 142,000 miles has been far and away the best S Class I have ever owned. 740lb/ft of torque makes a compelling case. Everything in the S-65 is nicest MB offered with all the options one may spend a lot of time looking for included. Also... the engine can be turned up. Not that anyone in California would ever do such a thing.
No rear main seal or OVS issues for the Bent 12. Bent 12 powered cars get Magic Body control and are found more often with Carbon Ceramic brakes for zero wear in brake rotors and brake pads that live to 100,000 miles. My 2015 with 142,000 miles has been far and away the best S Class I have ever owned. 740lb/ft of torque makes a compelling case. Everything in the S-65 is nicest MB offered with all the options one may spend a lot of time looking for included. Also... the engine can be turned up. Not that anyone in California would ever do such a thing.
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2025 S63. 2022 911 Turbo S, 23 BMW M5C
I have my 2018 S63 up till 41000 miles and I even bought a 100,000 mile 10 year extended Continental Warranty on it but it was TBoned and totalled 2 1/2 mos ago. Never had any issues with it... not one. This guy did though... everyone is different. I'd HIGHLY recommend just getting one, a 2018, 19 or 20 since life is short and you can second guess this forever. You will most likely die one day with hundreds of thousands of dollars in your accounts, spend it now and enjoy. On an internet forum like this you'll hear every issue and problem people have. In real life, these cars are ROCK SOLID.
Just do it, don't think about it anymore, just do it.
Just do it, don't think about it anymore, just do it.
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2001 S600 V12 Sold, 2011 Jaguar XFR Sold, 2017 S550 4-Matic, 2018 S63 AMG Sedan
My '19 S63 has been rock solid since I purchased it new in 2018 except the $7k repair to replace the rear main seal & the oil separators as mentioned. This has been the best MB and best S Class I have owned in the over 30 years I have been buying new Mercedes Benz S class cars. I have on order a '25 S63 and may just keep the '19 as well because I "love" the car so much. But disappointed at the rear main seal as that was an expensive fix for an oil leak!
A warning on the 2018 S63. When they were new the S63 and E63 cars were having lots of Check Engine Lights coming on. If I recall they had engine misses and many of those '18s were lemon lawed. Just an FYI.
A warning on the 2018 S63. When they were new the S63 and E63 cars were having lots of Check Engine Lights coming on. If I recall they had engine misses and many of those '18s were lemon lawed. Just an FYI.
Last edited by carlosinseattle; Feb 28, 2025 at 02:16 PM. Reason: added pin
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2019 S63 AMG (Current), 2015 E63S, 2008 E63, 2005 E55
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From: Los Angeles, CA
2019 S63 AMG (Current), 2015 E63S, 2008 E63, 2005 E55
I have only heard of the RMS issue in the M177 and M178 motors. I have a 2019 S63 and at 44K miles it has been great. They are awsome cars, almost a 2 in one car. In comfort mode it is an awesome road trip car. In Sport+ it is a beast. I have done, brakes, tires, oil changes and services on mine. When I purchased mine used it had 9K miles on it and was 2 years old so it was still basically a new car. It did have a faulty rear radar sensor that would cause the brakes to randomly lock up and swerve the car so that was terrifying but the dealer fixed that under warranty. At 40K miles I decided to get a Fidelity warranty that will last through my ownership of the car just so I do not have any major surprises including the RMS and suspension issues that can arise this platform. I would not hesitate to buy another one though. I have had 3 S Classes in the past 10 years and I was a Toyota guy before that and every one of my S Classes has been as reliable as any Toyota or Lexus product I have owned.
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From: Scottsdale, Arizona
2001 E55AMG
15 years or newer / under 105K miles, however the lower the mileage, the cheaper the coverage. My information is below for Fidelity extended warranty information for your Mercedes-Benz!
Trenton O. Gibson
tgibson@highline-autos.com
Highline Autos
Direct: 602.909.9216
Office: 480.348.0777
Trenton O. Gibson
tgibson@highline-autos.com
Highline Autos
Direct: 602.909.9216
Office: 480.348.0777
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Posts: 517
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From: Los Angeles, CA
2019 S63 AMG (Current), 2015 E63S, 2008 E63, 2005 E55
15 years or newer / under 105K miles, however the lower the mileage, the cheaper the coverage. My information is below for Fidelity extended warranty information for your Mercedes-Benz!
Trenton O. Gibson
tgibson@highline-autos.com
Highline Autos
Direct: 602.909.9216
Office: 480.348.0777
Trenton O. Gibson
tgibson@highline-autos.com
Highline Autos
Direct: 602.909.9216
Office: 480.348.0777
SPONSOR
Joined: Apr 2021
Posts: 1,570
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From: Scottsdale, Arizona
2001 E55AMG
Trenton O. Gibson
tgibson@highline-autos.com
Highline Autos
Direct: 602.909.9216
Office: 480.348.0777
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