Last updated: 2026-03-04

Lexus RX vs Mercedes-Benz GLC: Reliability Compared

Choosing between the Lexus RX 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 midsize suvs.

Our reliability scores are based on NHTSA recall and complaint data, independent repair cost estimates, and sales-normalized complaint rates. The Lexus RX currently leads with an average score of 85/100 compared to 68/100. Scroll down for the full year-by-year breakdown, common problem areas, and repair cost comparison.

How Do the Lexus RX and Mercedes-Benz GLC Generations Compare?

As of 2023, the Lexus RX is in its fifth generation, which began in 2022. Being early in its generation cycle, potential buyers should be mindful of possible first-year issues typical of new platforms. The previous fourth generation (2016–2022) was well-regarded for its reliability, especially after its 2019 facelift, which refined its features and performance. In contrast, the Mercedes-Benz GLC is in its second generation, which also started in 2022. The first generation (2016–2022) received a significant facelift in 2020, enhancing its maturity and reliability. Generally, mature platforms like the earlier RX generations are often more reliable, while new models like the current GLC and RX may require time to prove their dependability.

Verdict

The Lexus RX is more reliable than the Mercedes-Benz GLC, scoring 85/100 vs 68/100.

The Lexus RX demonstrates superior reliability with an impressive average reliability score of 99/100 compared to the Mercedes-Benz GLC's 70/100. Despite having a slightly higher owner complaint rate per 10,000 sold at 7.5 compared to the GLC's 7.1, the RX's significantly lower recall count of 42 over nine years contrasts sharply with the GLC's 110 over eight years. The Lexus RX also benefits from a lack of specific repair cost data, suggesting potentially lower maintenance expenses than the GLC's estimated annual repair cost of $807. Overall, the Lexus RX emerges as the more reliable option, particularly when considering recall history and reliability score.

Key Differences

  1. 1Lexus RX has 68 fewer total recalls
  2. 2Lexus RX scores 17 points higher in reliability
  3. 3Mercedes-Benz GLC has 0.4 fewer complaints per 10k sold

Category Scoreboard

2Lexus RX
1Mercedes-Benz GLC
Reliability ScoreTotal RecallsComplaint Rate

Lexus RX vs Mercedes-Benz GLC: Which Is More Reliable?

Lexus RX vs Mercedes-Benz GLC at-a-glance reliability comparison
MetricLexus RXMercedes-Benz GLC
Reliability Score85/10068/100
Years Tracked98
Total Recalls42110
Complaints per 10k Sold7.57.1
Year Wins70

What Are the Common Problems With the Lexus RX and Mercedes-Benz GLC?

The Lexus RX and Mercedes-Benz GLC exhibit distinct problem profiles, with the Lexus RX having a higher total complaint count at 729 compared to the GLC's 543. The RX's most significant issues are with the air bags, which include 73 complaints and 11 crash-linked, indicating a critical safety concern. Conversely, the GLC's most reported issue is the electrical system, with 77 complaints, though only 3 are crash-linked, suggesting less immediate safety implications. While the GLC shows a relatively higher number of engine complaints (68) than the RX (16), the RX's air bag-related concerns potentially represent a more severe safety risk.

Lexus RX vs Mercedes-Benz GLC common problem areas comparison
ComponentLexus RXMercedes-Benz GLC
ELECTRICAL SYSTEM0.5Very Low1Very Low
UNKNOWN OR OTHER0.6Very Low0.8Very Low
ENGINE0.2Very Low0.9Very Low
AIR BAGS0.8Very Low0.1Very Low
POWER TRAIN0.2Very Low0.4Very Low
STRUCTURE0.2Very Low0.3Very Low
FUEL/PROPULSION SYSTEM0.2Very Low0.2Very Low
STEERINGNone0.4Very Low
SERVICE BRAKES0.2Very Low0.1Very Low
FUEL SYSTEM0.1Very Low0.1Very Low
VEHICLE SPEED CONTROL0.1Very Low0.1Very Low
EXTERIOR LIGHTINGNone0.2Very Low
TIRES0.1Very LowNone
VISIBILITY/WIPER0.1Very LowNone
SEAT BELTSNone0.1Very Low
FORWARD COLLISION AVOIDANCENone0.1Very Low
BACK OVER PREVENTIONNone0.1Very Low
LANE DEPARTURENoneNone
VISIBILITYNoneNone

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

Which Is Cheaper to Maintain: Lexus RX or Mercedes-Benz GLC?

Independent repair cost data indicates that the Mercedes-Benz GLC has an annual repair cost of $807, with an average of 0.6 repair visits per year. Unfortunately, specific data for the Lexus RX is unavailable, making a direct comparison challenging. However, the GLC's repair frequency suggests a relatively low need for maintenance visits, which could imply a similar expectation for the Lexus RX, given its reputation for reliability. For cost-conscious buyers, the lack of concrete data on the Lexus RX makes it difficult to determine its value against the GLC. However, considering the GLC's moderate repair costs and frequency, it may offer predictable maintenance expenses, making it a potentially better choice if reliability aligns with the Lexus RX.

How Does Lexus RX vs Mercedes-Benz GLC Reliability Compare by Year?

Lexus RX vs Mercedes-Benz GLC year-by-year reliability scores
YearLexus RXMercedes-Benz GLCEdge
202485/1009R / 48C72/1007R / 20CLexus RX
202385/1005R / 45C67/10011R / 57CLexus RX
202290/1000R / 35C73/1002R / 51CLexus RX
202186/1005R / 209C68/1009R / 55CLexus RX
202086/1005R / 130C64/10036R / 143CLexus RX
201982/1009R / 166C68/10028R / 119CLexus RX
201885/1003R / 87C65/10015R / 95CLexus RX
2026(predicted)84/100(predicted)71/100(predicted)Lexus RX

Best years to cross-shop: The 2022 Lexus RX scored 90/100 and the 2022 Mercedes-Benz GLC scored 73/100 — these represent the strongest model years in our tracking range.

Who Should Buy the Lexus RX vs the Mercedes-Benz GLC?

If you prioritize reliability above all else, the Lexus RX is your best bet. With an impressive reliability score of 99/100, it promises fewer headaches over time. Although it has 42 recalls, which is not insignificant, the owner complaints are relatively low at 7.5 per 10,000 sold. This suggests that while recalls exist, they may not severely impact everyday user experience. The top issues like air bags and electrical systems are important to note, but overall, the peace of mind from its high reliability score makes it a strong contender for those seeking dependability. On the other hand, if you're drawn to luxury and willing to manage higher maintenance costs, consider the Mercedes-Benz GLC. With a reliability score of 70/100 and 110 recalls, it may demand more attention. However, if you can handle the estimated $807 annual repair cost and a repair frequency of 0.6 times per year, you might appreciate its advanced features and brand prestige. Those who don’t mind occasional service visits for a premium driving experience may find the GLC appealing.

Lexus RX vs Mercedes-Benz GLC: Common Questions

Is the Lexus RX more reliable than the Mercedes-Benz GLC?
Based on our data, the Lexus RX is more reliable with an average score of 85/100 compared to 68/100. That's a significant difference worth considering.
Which has more recalls, the Lexus RX or the Mercedes-Benz GLC?
The Mercedes-Benz GLC has more recalls (110) compared to the Lexus RX (42). 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 Lexus RX or the Mercedes-Benz GLC?
Adjusted for sales volume, the Mercedes-Benz GLC has a lower complaint rate at 7.1 per 10,000 sold versus 7.5 for the Lexus RX. This per-sales normalization gives a fairer comparison than raw totals.

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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