Comparison · Reliability Ranked

BMW 7 Series vs Mercedes-Benz S-Class

Side-by-side reliability, price, and known-issue comparison for used-car buyers. Composite scores come from TÜV (Germany), ADAC (pan-European), NHTSA (US-sold variants), and DVSA MOT (UK inspections).

B

BMW 7 Series

2015–2017
Reliability composite
88
/ 100
Excellent
MOT
Estimated used price
€22,600–€43,100
Documented issues
0
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M

Mercedes-Benz S-Class

2015–2017
Reliability composite
85
/ 100
Excellent
MOT + NHTSA
Estimated used price
€28,800–€88,000
Documented issues
0
Analyze a listing →Full reliability report →

Bottom Line

These two are statistically tied on reliability composite. Decide based on the issue list, drive preference, and ownership cost projections — both are reasonable buys with similar long-term risk profiles. Plug your specific listing into the analyzer to factor in mileage, asking price, and current service history.

Deep dive →
BMW 7 Series reliability
Deep dive →
Mercedes-Benz S-Class reliability