Last updated: 2026-03-04

BMW X3 vs Mercedes-Benz GLC: Reliability Compared

BMW X3 reliability comparison

BMW X3

61
GoodReliability score: 61 out of 100, rated Good
VS
More ReliableMercedes-Benz GLC reliability comparison

Mercedes-Benz GLC

68
GoodReliability score: 68 out of 100, rated Good

Choosing between the BMW X3 and the Mercedes-Benz GLC? This page compares their reliability scores, NHTSA recall history, owner-reported complaints, and estimated annual repair costs so you can make a confident long-term ownership decision between these two compact suvs.

Our reliability scores are based on NHTSA recall and complaint data, independent repair cost estimates, and sales-normalized complaint rates. The Mercedes-Benz GLC currently leads with an average score of 68/100 compared to 61/100. Scroll down for the full year-by-year breakdown, common problem areas, and repair cost comparison.

How Do the BMW X3 and Mercedes-Benz GLC Generations Compare?

The Mercedes-Benz GLC is currently in its second generation (X254/C254), having been redesigned for the 2023 model year. This makes it relatively early in its generation cycle, which can sometimes mean that first-year issues may arise as new platforms are refined. The previous generation (X253/C253) ran from 2016 to 2022, with a significant facelift in 2020, indicating a well-sorted platform by the end of its cycle. In contrast, the BMW X3 is in its third generation (G01), which started in 2018 and is set to continue until 2024. A facelift was introduced in 2022, suggesting the platform is mature and likely more reliable due to iterative improvements. Buyers might find the X3's established third-generation platform offers a more refined experience compared to the newly launched GLC.

Verdict

The Mercedes-Benz GLC is more reliable than the BMW X3, scoring 68/100 vs 61/100.

The Mercedes-Benz GLC outperforms the BMW X3 in reliability, with an average score of 70/100 compared to the X3's 57/100. Despite having a higher number of recalls at 110 versus the X3's 58 over eight years, the GLC has a lower owner complaint rate of 7.1 per 10,000 sold compared to the X3's 5.7. The GLC also benefits from a lower estimated annual repair cost of $807, in contrast to the X3's $1034. While both models share common issues related to the electrical system and engine, the GLC's better reliability score and lower maintenance costs make it the preferable choice for those prioritizing long-term dependability.

Key Differences

  1. 1Mercedes-Benz GLC costs $227 less per year to repair
  2. 2BMW X3 has 52 fewer total recalls
  3. 3Mercedes-Benz GLC scores 7 points higher in reliability

Category Scoreboard

2BMW X3
—
3Mercedes-Benz GLC
Reliability ScoreTotal RecallsComplaint RateAnnual Repair CostRepair Frequency

BMW X3 vs Mercedes-Benz GLC: Which Is More Reliable?

BMW X3 vs Mercedes-Benz GLC at-a-glance reliability comparison
MetricBMW X3Mercedes-Benz GLC
Reliability Score61/10068/100
Years Tracked88
Total Recalls58110
Complaints per 10k Sold5.77.1
Annual Repair Cost$1034/yr$807/yr
Repair Frequency0.8/yr0.6/yr
Year Wins0 (1 tied)5 (1 tied)

What Are the Common Problems With the BMW X3 and Mercedes-Benz GLC?

The Mercedes-Benz GLC and BMW X3 both exhibit issues with their electrical systems, but the BMW X3 has a higher number of complaints in this category with 102 instances, including 5 crash-linked, compared to the GLC's 77 instances with 3 crash-linked. While the GLC shows a considerable number of complaints related to the engine (68) and steering (28), the BMW X3 has a notably higher number of complaints regarding the vehicle structure (50) and forward collision avoidance (15), with the latter having 3 crash-linked incidents. Both models have relatively similar issues with the power train, yet the GLC presents a broader range of complaints across different components, such as exterior lighting and fuel/propulsion systems. Overall, the BMW X3's electrical system and structural concerns stand out, whereas the GLC experiences more diverse issues across multiple systems.

BMW X3 vs Mercedes-Benz GLC common problem areas comparison
ComponentBMW X3Mercedes-Benz GLC
ELECTRICAL SYSTEM1.3Low1Very Low
UNKNOWN OR OTHER0.9Very Low0.8Very Low
ENGINE0.4Very Low0.9Very Low
STRUCTURE0.7Very Low0.3Very Low
POWER TRAIN0.3Very Low0.4Very Low
STEERING0.2Very Low0.4Very Low
SERVICE BRAKES0.2Very Low0.1Very Low
FORWARD COLLISION AVOIDANCE0.2Very Low0.1Very Low
EXTERIOR LIGHTING0.1Very Low0.2Very Low
AIR BAGS0.1Very Low0.1Very Low
BACK OVER PREVENTION0.1Very Low0.1Very Low
VEHICLE SPEED CONTROL0.1Very Low0.1Very Low
FUEL/PROPULSION SYSTEM—None0.2Very Low
ENGINE AND ENGINE COOLING0.1Very Low—None
LATCHES/LOCKS/LINKAGES0.1Very Low—None
LANE DEPARTURE0.1Very Low—None
FUEL SYSTEM—None0.1Very Low
SEAT BELTS—None0.1Very Low
ELECTRONIC STABILITY CONTROL (ESC)—None—None
VISIBILITY—None—None
VISIBILITY/WIPER—None—None

Complaints per 10,000 units sold, aggregated across all tracked model years from NHTSA owner reports.

Which Is Cheaper to Maintain: BMW X3 or Mercedes-Benz GLC?

The Mercedes-Benz GLC has an annual repair cost of $807 and an average of 0.6 repair visits per year, while the BMW X3 incurs $1,034 annually with 0.8 visits. Over five years, the GLC saves owners approximately $1,135 in repair expenses. Additionally, the BMW X3 has a 14% risk of major repairs, adding potential for unexpected costs, unlike the GLC, which has no major repair risk listed. For buyers focused on minimizing long-term expenses and repair visits, the Mercedes-Benz GLC offers better value, providing both lower annual costs and reduced risk of significant repairs.

How Does BMW X3 vs Mercedes-Benz GLC Reliability Compare by Year?

BMW X3 vs Mercedes-Benz GLC year-by-year reliability scores
YearBMW X3Mercedes-Benz GLCEdge
202466/1002R / 28C72/1007R / 20CMercedes-Benz GLC
202367/1004R / 9C67/10011R / 57CTie
202264/1007R / 56C73/1002R / 51CMercedes-Benz GLC
202161/10010R / 79C68/1009R / 55CMercedes-Benz GLC
202059/10016R / 81C64/10036R / 143CMercedes-Benz GLC
201958/10010R / 148C68/10028R / 119CMercedes-Benz GLC
2026(predicted)62/100(predicted)71/100(predicted)Mercedes-Benz GLC

Best years to cross-shop: The 2023 BMW X3 scored 67/100 and the 2022 Mercedes-Benz GLC scored 73/100 — these represent the strongest model years in our tracking range.

Who Should Buy the BMW X3 vs the Mercedes-Benz GLC?

If you prioritize reliability and lower repair frequency, the Mercedes-Benz GLC might be the better choice for you. With a reliability score of 70/100 and a repair frequency of 0.6 times per year, it offers a more dependable experience compared to the BMW X3. Although it has more recalls (110) than the X3, the lower owner complaints per 10,000 sold (7.1) suggest a generally positive owner experience. Plus, with an estimated annual repair cost of $807, it's more budget-friendly in terms of maintenance. On the other hand, if you are concerned about major repair risks, consider the BMW X3, which has a 14% major repair risk. While its reliability score is lower at 57/100, it has fewer total recalls (58) and slightly fewer owner complaints per 10,000 sold (5.7). However, be prepared for a higher estimated annual repair cost of $1034 and a repair frequency of 0.8 times per year. Choose the X3 if you value a potentially lower chance of major issues, but are ready to handle higher maintenance costs.

BMW X3 vs Mercedes-Benz GLC: Common Questions

Is the BMW X3 more reliable than the Mercedes-Benz GLC?
Based on our data, the Mercedes-Benz GLC is more reliable with an average score of 68/100 compared to 61/100. The difference is modest, so both are reasonable choices.
Which has more recalls, the BMW X3 or the Mercedes-Benz GLC?
The Mercedes-Benz GLC has more recalls (110) compared to the BMW X3 (58). More recalls don't always mean worse reliability — some are minor — but it's worth reviewing what each recall covers.
Which has fewer owner complaints, the BMW X3 or the Mercedes-Benz GLC?
Adjusted for sales volume, the BMW X3 has a lower complaint rate at 5.7 per 10,000 sold versus 7.1 for the Mercedes-Benz GLC. This per-sales normalization gives a fairer comparison than raw totals.
Which is cheaper to maintain, the BMW X3 or the Mercedes-Benz GLC?
Based on independent repair cost estimates, the Mercedes-Benz GLC is cheaper to maintain at $807/year versus $1034/year for the BMW X3.

Related Reliability Comparisons

How We Calculate Reliability Scores

Auto Reliability Index scores are calculated on a 0–100 scale using a weighted formula that combines multiple public data sources. Each factor is weighted based on its predictive value for real-world ownership experience.

Key Ranking Factors

1

Complaint Severity

NHTSA owner complaints weighted by component category (e.g., powertrain, safety systems, electronics, cosmetic) — safety-critical issues carry more weight than cosmetic ones. Adjusted for sales volume so high-volume models aren't unfairly penalized.

2

Repair Costs

Independent reliability ratings based on repair frequency, average repair costs, and severity of typical repairs for each model.

3

Recall Impact

Number of NHTSA recalls weighted by severity. “Stop driving” and fire-risk recalls are penalized more heavily than minor software or labeling recalls.

4

Issue Diversity

Measures how many major vehicle systems (engine, transmission, electrical, braking, etc.) have recorded complaints. A vehicle with issues spread across many systems may indicate systemic quality issues.

Scores are grouped into four tiers:

  • 80–100: Excellent — Top-tier reliability, minimal issues
  • 60–79: Good — Reliable with some minor concerns
  • 40–59: Mixed — Notable issues, research before buying
  • 0–39: Risky — Significant problems, proceed with caution

Data is sourced from NHTSA recall records, owner complaint filings, and independent repair databases. Scores are recalculated as new data becomes available. While the weighting model is proprietary, all underlying data sources are public and traceable.

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