2021 Mercedes-Benz GLS-Class Maintenance guide

v1.0Updated Ethan Miller4 Sources Analyzed
The 2021 Mercedes-Benz GLS-Class demonstrates exceptional initial reliability with zero recalls or complaints reported to NHTSA. This suggests a robust build quality, minimizing the likelihood of unexpected major component failures.
Reliability Score
Est. Annual Maintenance Cost
$300 - $600
TSBs & Recalls
0 TSBs | 0 Recalls
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Key Takeaways
- Exceptional initial reliability with zero recalls and complaints reported.
- Adherence to the 10,000-mile service interval for oil changes and inspections is crucial.
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Critical service intervals
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MethodologyHow we score →
Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.
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