Is the 2012 Mercedes-Benz E-Class reliable?

The 2012 Mercedes-Benz E-Class scores 78/100 (C+) on OwnerKeep's reliability index, which places it in the moderate risk category. See the full report for the specific strengths and failure points.

What are the common problems with the 2012 Mercedes-Benz E-Class?

See the Common Issues section above for the top failure areas reported by real owners, with typical mileage ranges where problems start showing up.

How much does it cost to maintain a 2012 Mercedes-Benz E-Class?

Expected maintenance costs depend heavily on age, mileage and how well the vehicle was kept up. Run the full report for a year-by-year cost outlook.

What should I check before buying a 2012 Mercedes-Benz E-Class?

Focus on the top risk areas flagged in this report, review service history, and verify the vehicle is not inside one of the mileage danger zones listed above.

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Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2012 Mercedes-Benz E-Class Reliability ReportKeepScore 78/100 · top failure points · buy or avoid

78/ 100

KeepScore

MODERATE RISK

Grade: C+

A comfortable luxury cruiser requiring diligent maintenance and a healthy repair fund to remain dependable.

Full system breakdown + what I would do

Quick Facts · 2012 Mercedes-Benz E-Class

Scores 4 points below the strongest nearby year — the 2014 Mercedes-Benz E-Class earns a 82.
The system most likely to surface first: airmatic suspension system (major severity).
No active NHTSA safety recalls on record — a clean recall slate for the 2012 model year.

2012 Mercedes-Benz E-Class: Buy or Avoid?

The 2012 Mercedes-Benz E-Class is a luxuriously comfortable and safe sedan, but it demands a discerning buyer and a robust maintenance budget. While its core powertrain is generally solid, be prepared for premium repair costs associated with its complex electrical systems and optional advanced features like Airmatic suspension.

Biggest Strengths

Exceptional build quality and interior materials
Robust core engine (especially the diesel) and transmission with diligent maintenance
Superior ride comfort and safety features

2012 Mercedes-Benz E-Class — Known Trouble Spots

The systems that break first on the 2012 Mercedes-Benz E-Class. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

Airmatic Suspension Systemmajor

Engine Oil Leaks & Timing Chain (M276/M278)moderate

Electrical/Sensor Failuresmoderate

Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

Safety Recalls on the 2012 Mercedes-Benz E-Class

No active NHTSA safety recalls on file for the 2012 Mercedes-Benz E-Class. Always verify with your VIN atnhtsa.gov.

What breaks on the 2012 Mercedes-Benz E-Class?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Mercedes-Benz E-Class — Year-by-Year Comparison

Compare KeepScores across nearby years of the Mercedes-Benz E-Class. Click any year for its full report.

All Mercedes-Benz E-Class years ranked →Mercedes-Benz E-Class years to avoid →Mercedes-Benz E-Class common problems →

Competing 2012s Worth a Look

Similar class, similar year range — ranked by KeepScore.

2010 ToyotaLand Cruiser

92/100

2010 ToyotaSienna

88/100

2011 ChevroletCorvette

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Frequently Asked Questions

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