2019 Mercedes-Benz S-Class Reliability ReportKeepScore 78/100 · top failure points · buy or avoid
Quick Facts · 2019 Mercedes-Benz S-Class
- Scores 5 points below the strongest nearby year — the 2020 Mercedes-Benz S-Class earns a 83.
- The system most likely to surface first: airmatic / magic body control suspension (major severity).
- No active NHTSA safety recalls on record — a clean recall slate for the 2019 model year.
2019 Mercedes-Benz S-Class: Buy or Avoid?
The 2019 Mercedes-Benz S-Class remains a pinnacle of luxury and technology, a testament to German engineering, but its sophisticated systems inherently introduce a moderate risk profile for long-term ownership. While impeccably built, be prepared for high maintenance costs and complex repairs that can quickly become prohibitively expensive if preventative care is neglected.
The 2019 S-Class is an exceptional luxury vehicle, offering an unparalleled experience. However, prospective buyers must understand and be financially prepared for its demanding maintenance schedule and the significant cost of potential repairs due to its highly complex and advanced systems. It's a rewarding purchas…
Best Model Years
2018-2020 (post-facelift W222 models offer refined tech and fewer early model quirks)
Years to Avoid
None explicitly, but earlier pre-facelift W222 (2014-2017) might have more early-gen electrical quirks.
Biggest Strengths
- Exceptional build quality and materials
- Refined and powerful powertrain options
- Advanced safety and comfort technologies
2019 Mercedes-Benz S-Class — Known Trouble Spots
The systems that tend to fail first on the 2019 Mercedes-Benz S-Class, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
Air springs/struts are prone to leaks, especially with age, leading to ride height inconsistencies or complete failure. Compressors can also fail from overwork. These components are extremely expensive to replace.
The sophisticated COMAND/MBUX system, various driver assistance sensors, and auxiliary battery management can experience glitches, freezing, or module failures. Diagnosing electrical issues is complex and time-consuming.
On some V8 and V12 models, turbocharger coolant or oil lines can develop leaks. Valve cover gaskets and cam plug seals on V6/V8 engines can also seep oil. Engine mounts, while robust, will eventually require replacement.
2019 Mercedes-Benz S-Class Mileage Danger Zones
The mileage windows when the 2019 Mercedes-Benz S-Class most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the vehicle is still relatively new. Focus on routine oil changes, tire rotations, and addressing any minor infotainment glitches or software updates that may arise.
Maintenance Zone
This is a critical service interval. Ensure transmission fluid and filter service is completed, along with spark plugs and air filters. Keep a close eye on air suspension health and brake condition.
Elevated Risk Zone
Beyond this point, components are aging. Increased likelihood of air suspension issues, engine accessory wear, and electrical module failures. Budget for potential higher-cost repairs.
High Risk Zone
At this mileage, expect more significant component wear and potential failures. Major systems like the engine, transmission, and advanced electronics become more susceptible to requiring expensive intervention.
2019 Mercedes-Benz S-Class Ownership Cost Outlook
What it typically costs to keep the 2019 Mercedes-Benz S-Class on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$800-1,500 (routine service)
Moderate Repairs
$1,500-4,000 occasionally (e.g., air strut, electrical module)
How Long Does the 2019 Mercedes-Benz S-Class Last?
Prioritize preventative maintenance religiously and address any warning lights or unusual noises immediately; deferring even minor issues will almost certainly lead to compounded, far more expensive problems with an S-Class.
What 2019 Mercedes-Benz S-Class Owners Actually Say
What Owners Love
- Unmatched ride comfort and cabin isolation, even over rough roads.
- Powerful and refined engine options that deliver effortless acceleration.
- Luxurious, spacious, and exquisitely crafted interior with premium materials.
- Cutting-edge technology and advanced safety features for a confident driving experience.
Common Frustrations
- Extremely high cost of parts and labor for repairs.
- Complex electronic systems can be prone to intermittent glitches.
- Rapid depreciation from new, although this can make used models attractive.
- Air suspension longevity is a significant concern for many owners.
Who Should Buy the 2019 Mercedes-Benz S-Class?
Best For
- Luxury sedan enthusiasts seeking ultimate comfort and prestige.
- Executives and long-distance commuters desiring a refined driving experience.
- Buyers with a substantial disposable income for premium maintenance and repairs.
Not Ideal For
- Budget-conscious buyers seeking minimal ownership costs.
- DIY mechanics without specialized Mercedes-Benz diagnostic equipment.
How the 2019 Mercedes-Benz S-Class Compares to Rivals
The S-Class consistently sets the benchmark for luxury and technology in its class, often surpassing rivals in features and interior opulence. However, this sophistication often translates to higher long-term ownership costs compared to simpler, albeit less opulent, alternatives.
More Reliable Than
- BMW 7 Series (certain G11/G12 models with early iDrive 7 issues)
- Cadillac CT6 (less refinement, fewer advanced features)
Comparable To
- Audi A8
- Porsche Panamera
Safety Recalls on the 2019 Mercedes-Benz S-Class
No active NHTSA safety recalls on file for the 2019 Mercedes-Benz S-Class. Always verify with your VIN atnhtsa.gov.
What breaks on the 2019 Mercedes-Benz S-Class?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Mercedes-Benz S-Class — Year-by-Year Comparison
Compare KeepScores across nearby years of the Mercedes-Benz S-Class. Click any year for its full report.
Competing 2019s Worth a Look
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 2019 Mercedes-Benz S-Class
Parts and accessories matched to your 2019 Mercedes-Benz S-Class
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Frequently Asked Questions
Just bought a 2019 Mercedes-Benz S-Class? Keep it that way.
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