2012 Mercedes-Benz S-class

Photo: FotoSleuth / CC BY 2.0 / Wikimedia Commons

2012 Mercedes-Benz S-class: common problems and reliability

· W221

One of the better S-class years.

The best Mercedes-Benz S-class year. All S-class years

14 owner complaints, most about engine. No recalls.

Should I buy a 2012 S-class?

The 2012 Mercedes-Benz S-class has 14 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are engine and fuel/propulsion system. Owners most often flag airmatic suspension failure (struts, air pump, valve block).

Safety record for the 2012 model year

14
Owner complaints
0
Recalls
1
Crash reports
1
Fire reports

Source: NHTSA complaints and recalls filed for 2012 Mercedes-Benz S-class vehicles (US, public record).

The Year Score compares this year with other S-class years only. How we score it

Is 2012 a good year for the S-class?

Across the 24 S-class model years we track, complaint volume runs from 13 (2009) to 133 (2002). With 14 complaints, the 2012 S-class sits below the model's median of 34.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

engine
7
fuel/propulsion system
5
power train
3
electrical system
2
vehicle speed control
2

What owners report on the W221 S-class

Owners consistently describe the W221 S-class as a magnificent highway cruiser with a magic-carpet ride and unmistakable road presence, but they overwhelmingly warn that it is an extremely expensive car to maintain.

  • Very frequentAirmatic suspension failure (struts, air pump, valve block)
  • Very frequentABC (Active Body Control) suspension extremely expensive to repair
  • RecurrentEngine control unit (ECU) failure due to position on top of engine
  • RecurrentTransmission (722.9) rough shifting
  • RecurrentElectrical gremlins (sensors, control units)

Owner insights for the W221 S-class. Read the full W221 owner report.

Other S-class model years

Compare every S-class year side by side to see how 2012 ranks against the rest.

2025 S-class2024 S-class2023 S-class2022 S-class2021 S-class2020 S-class2019 S-class2018 S-class2017 S-class2016 S-class2015 S-class2014 S-class2013 S-class2011 S-class2010 S-class2009 S-class2008 S-class2007 S-class2006 S-class2005 S-class2004 S-class2003 S-class2002 S-class

Compare the S-class against its rivals

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