Mercedes-Benz GLS 450
2018–2020 only
2018–2020 Mercedes-Benz GLS 450 models have 108 classified complaints on record for these years specifically, plus 21 recalls. The most common issue in this range is Driver-assist cameras, radar and calibration, typically surfacing around 8,000 miles.
Computed directly from stored federal records for 2018–2020 model years only — not blended with the rest of this vehicle's production run. See the full Mercedes-Benz GLS 450 report for every year combined.
What breaks, and when — 2018–2020 only
Median onset: 8,000 miles. 5.9% of these reported an injury, a death, or a crash with fire.
Median onset: 8,900 miles.
Onset mileage not consistently reported.
Median onset: 4,200 miles.
Tends to show up earlier than this model's other issues. · Typical repair: $250–$1,030 nationally.
Median onset: 8,000 miles.
Median onset: 33,000 miles.
Tends to show up later than this model's other issues.
Median onset: 22,689 miles.
Tends to show up later than this model's other issues. · Typical repair: $330–$620 nationally.
Onset mileage not consistently reported. 50.0% of these reported an injury, a death, or a crash with fire.
From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see how it works. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.
Cost estimator: what will this one cost you?
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Sources: NHTSA Office of Defects Investigation — complaints and recalls, scoped to 2018–2020 model years. See the full Mercedes-Benz GLS 450 report for every year and full specs/safety data.