The 2009 Mercedes-Benz S-class has 13 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are electrical system and service brakes. Owners most often flag airmatic suspension failure (struts, air pump, valve block): frequency: very frequent.
Source: NHTSA complaints and recalls filed for 2009 Mercedes-Benz S-class vehicles (US, public record).
Across the 17 S-class model years we track, complaint volume runs from 13 (2009) to 133 (2002). With 13 complaints, the 2009 S-class sits belowthe model's median of 33.
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.
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. The dominant sentiment is that the purchase
Owner insights for the W221 S-class. Read the full W221 owner report.
Compare every S-class year side by side to see how 2009 ranks against the rest.