2023 mazda CX-9 vs 2023 mercedes-benz GLS-Class
Reliability comparison based on NHTSA recall and complaint records.
2023 mazda CX-9
2023 mercedes-benz GLS-Class
Stories from the shop
Look, these two are running close enough that you'd be fine either way. Reliability scores are within rounding distance (4.4 for the 2023 mazda CX-9, 4.4 for the 2023 mercedes-benz GLS-Class), and they've each got their own laundry list of weak spots. There's no clean winner here on the data alone.
Going with the 2023 mercedes-benz GLS-Class? Watch the brakes. The 2023 mazda CX-9 has fewer reports in those categories, so you'd be trading one set of weak spots for another.
Bottom line: pick based on use case more than the spec sheet. If you tow heavy and don't want to think about it, that's one calculation. If you're a daily driver and want the cheapest path forward, that's another. Both of these will get you down the road. We're just telling you where each one is most likely to break.
Side-by-side by problem area
Common questions
Which is more reliable, the 2023 Mazda CX-9 or the 2023 Mercedes-Benz GLS-Class?
It's close to a tie. Both vehicles score within 0.2 points on our reliability index (4.4 vs 4.4). At this margin, either choice is defensible — base your decision on the specific failure modes that matter to you.
What goes wrong more often on the 2023 Mazda CX-9?
On the categories we tracked, the 2023 Mazda CX-9 doesn't show meaningfully more complaints than the 2023 Mercedes-Benz GLS-Class. Both have similar issue patterns.
What goes wrong more often on the 2023 Mercedes-Benz GLS-Class?
Compared to the 2023 Mazda CX-9, the 2023 Mercedes-Benz GLS-Class has more complaints in brakes. Whether that's a deal-breaker depends on the cost and severity — see the comparison table above for repair cost ranges.
Which has more recalls?
Both vehicles have 0 active recalls. Total recall count alone isn't a great signal — what matters is severity. See the recall counts by severity in the comparison table.
Is an extended warranty worth it on either of these?
Both vehicles are out of factory bumper-to-bumper coverage at this point. Combined repair exposure across the top problem categories runs around $450 on the higher-risk vehicle. A quality service contract typically costs $1,800–3,500 over 3 years, so a single major failure usually pays for the contract. The math favors warranty coverage on whichever vehicle you choose, especially if you plan to keep it past 100,000 miles.