Which has more recalls, the RDX or the GLC?

The GLC has far more. Federal recall records show 110 across its eight model years, against 14 for the RDX. Owners also report waiting on a communication system recall where the update or part had not arrived, and others say their VINs were not covered by roof recalls.

Which is cheaper to repair, the RDX or the GLC?

The RDX is cheaper. Independent repair-cost data puts it at $497 a year against $807 for the GLC, a gap of about $1,550 over five years. The RDX also makes 0.4 unscheduled shop visits a year, compared with 0.6 for the GLC.

What is the most common Acura RDX problem?

A vibrating driver side mirror leads, with 148 complaints. It shakes above 35 mph and blurs the view of nearby traffic. Owners say a replacement mirror did not fix it in one case. More serious RDX reports include engine limp mode under hard acceleration and infotainment screens that go black.

What goes wrong with the Mercedes-Benz GLC panoramic roof?

Owners report glass that cracks or shatters while driving, and a front roof panel that lifts or comes off at speed as its adhesive bond fails. Failures cluster between roughly 25,600 and 40,000 miles. One dealer quoted $10,484 for a replacement, and out-of-warranty claims were denied in some cases.

Last updated: 2026-10-10

Acura RDX vs Mercedes-Benz GLC: Reliability Compared

More Reliable

Acura RDX

Good

Mercedes-Benz GLC

Good

On reliability, the Acura RDX holds a clear edge over the Mercedes-Benz GLC, with lower repair costs and far fewer recalls. The GLC draws fewer complaints per car sold, but its reports include fires, cracked pistons, and roof panels that fail at speed.

How Do the Acura RDX and Mercedes-Benz GLC Generations Compare?

Third-generation cars make up most of what you will find on the RDX side. That generation covered model years 2019 through 2023 and was facelifted for 2022. The 2018 model belongs to the second generation, which ran 2013 to 2018. The first two third-generation years, 2019 and 2020, are the weakest, so the facelifted 2022 and 2023 cars are the safer used picks. On the GLC side, the first generation ran from 2016 through 2022 and was facelifted for 2020. A second generation arrived for the 2023 model year. Most used GLCs are first-generation cars, and 2022 is a strong year among them, while 2020 and 2018 are weak.

Verdict

The Acura RDX is more reliable than the Mercedes-Benz GLC, scoring 78/100 vs 69/100.

Reliability favors the RDX, and the edge is clear. It costs less to keep on the road, visits the shop less often, and has far fewer federal recalls. Its biggest complaint group is a vibrating mirror, though the limp-mode engine fault deserves attention. The GLC draws fewer complaints per car sold, but its worst reports are more severe: fires, cracked pistons, and roof panels that lift at speed. Both models stand at good, so neither is a bad buy. The RDX simply carries less risk of an expensive or dangerous surprise.

Key Differences

1Acura RDX costs $310 less per year to repair
2Acura RDX has 96 fewer total recalls
3Acura RDX scores 9 points higher in reliability

Category Scoreboard

4Acura RDX

—

1Mercedes-Benz GLC

Reliability ScoreTotal RecallsComplaint RateAnnual Repair CostRepair Frequency

Acura RDX vs Mercedes-Benz GLC: Which Is More Reliable?

Acura RDX vs Mercedes-Benz GLC at-a-glance reliability comparison
Metric	Acura RDX	Mercedes-Benz GLC
Reliability Score	78/100	69/100
Years Tracked	8	8
Total Recalls	14	110
Complaints per 10k Sold	13	7.1
Annual Repair Cost	$497/yr	$807/yr
Repair Frequency	0.4/yr	0.6/yr
Year Wins	6	1

What Are the Common Problems With the Acura RDX and Mercedes-Benz GLC?

Most RDX complaints are about annoyance and visibility. A driver side mirror vibrates above 35 mph, and the infotainment screen goes black while CarPlay drops out. The more serious RDX reports are limp mode under hard acceleration and a rear hatch glass that shatters on its own. The GLC problems run heavier. Owners report battery fires, sudden power loss with no restart, a cracked piston, and a panoramic roof that breaks at speed. The GLC also has crash-linked reports in electrical (3) and steering (3), while the RDX has none in those areas.

Acura RDX vs Mercedes-Benz GLC common problem areas comparison
Component	Acura RDX	Mercedes-Benz GLC
UNKNOWN OR OTHER	3.1Average	0.8Very Low
VISIBILITY/WIPER	2Low	—None
ENGINE	1.1Low	0.9Very Low
ELECTRICAL SYSTEM	0.8Very Low	1Very Low
POWER TRAIN	1Very Low	0.4Very Low
STRUCTURE	0.8Very Low	0.3Very Low
STEERING	0.4Very Low	0.4Very Low
SERVICE BRAKES	0.5Very Low	0.1Very Low
VISIBILITY	0.5Very Low	—None
FUEL SYSTEM	0.4Very Low	0.1Very Low
AIR BAGS	0.3Very Low	0.1Very Low
VEHICLE SPEED CONTROL	0.3Very Low	0.1Very Low
FUEL/PROPULSION SYSTEM	0.1Very Low	0.2Very Low
EXTERIOR LIGHTING	—None	0.2Very Low
FORWARD COLLISION AVOIDANCE	—None	0.1Very Low
SEAT BELTS	—None	0.1Very Low
BACK OVER PREVENTION	—None	0.1Very Low
SEATS	—None	—None

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

Which Is Cheaper to Maintain: Acura RDX or Mercedes-Benz GLC?

Repairs cost less on the Acura: an estimated $497 a year, against $807 for the GLC. That is $310 less each year, or about $1,550 over five years. The Acura also averages 0.4 unscheduled shop visits a year, versus 0.6 for the Mercedes. Only 6% of RDX repairs are major. No major-repair figure is on file for the GLC, but owners report single bills such as a $10,484 roof quote.

How Does Acura RDX vs Mercedes-Benz GLC Reliability Compare by Year?

Acura RDX vs Mercedes-Benz GLC year-by-year reliability scores
Year	Acura RDX	Mercedes-Benz GLC	Edge
2026	87/1000R / 0C	77/1002R / 3C	Acura RDX
2024	82/1001R / 10C	72/1007R / 20C	Acura RDX
2023	82/1001R / 16C	67/10011R / 57C	Acura RDX
2021	77/1002R / 99C	68/1009R / 55C	Acura RDX
2020	67/1004R / 327C	64/10036R / 143C	Acura RDX
2019	66/1004R / 417C	68/10028R / 119C	Mercedes-Benz GLC
2018	79/1001R / 71C	65/10015R / 95C	Acura RDX

Best years to cross-shop: The 2024 Acura RDX scored 82/100 and the 2024 Mercedes-Benz GLC scored 72/100 — the strongest shared model years that have been on the road for at least two years, where available.

Who Should Buy the Acura RDX vs the Mercedes-Benz GLC?

Pick the RDX if you want the lower running cost and the lighter risk of serious failure. It suits a daily driver who can live with an infotainment glitch or a shaky mirror. Target the later third-generation years, such as 2022 and 2023, and avoid 2019 and 2020, its weakest years. Before buying, test a highway merge for the limp-mode fault and check how the power liftgate reverses when it meets resistance. Pick the GLC only if the Mercedes cabin and drive matter more to you than cost, and you accept the risk. Budget for repairs, since the crankcase ventilation valve alone can top $2K. Avoid 2018 and 2020, the weakest years. Ask whether the panoramic roof and communication system recalls were done, because owners say out-of-warranty claims were denied when their VINs were not covered. Skip any GLC with unresolved electrical warnings or a no-start history, and have a shop inspect it before you pay.

Acura RDX vs Mercedes-Benz GLC: Common Questions

Is the Acura RDX more reliable than the Mercedes-Benz GLC?: Yes, the RDX has a clear edge. It has lower estimated repair costs, fewer shop visits, and far fewer recalls. The GLC draws fewer complaints per car sold, but its reports include fires, cracked pistons, and failing roof panels, which are more serious than the RDX's common mirror and infotainment faults.
Which has more recalls, the RDX or the GLC?: The GLC has far more. Federal recall records show 110 across its eight model years, against 14 for the RDX. Owners also report waiting on a communication system recall where the update or part had not arrived, and others say their VINs were not covered by roof recalls.
Which is cheaper to repair, the RDX or the GLC?: The RDX is cheaper. Independent repair-cost data puts it at $497 a year against $807 for the GLC, a gap of about $1,550 over five years. The RDX also makes 0.4 unscheduled shop visits a year, compared with 0.6 for the GLC.
What is the most common Acura RDX problem?: A vibrating driver side mirror leads, with 148 complaints. It shakes above 35 mph and blurs the view of nearby traffic. Owners say a replacement mirror did not fix it in one case. More serious RDX reports include engine limp mode under hard acceleration and infotainment screens that go black.
What goes wrong with the Mercedes-Benz GLC panoramic roof?: Owners report glass that cracks or shatters while driving, and a front roof panel that lifts or comes off at speed as its adhesive bond fails. Failures cluster between roughly 25,600 and 40,000 miles. One dealer quoted $10,484 for a replacement, and out-of-warranty claims were denied in some cases.

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Decided between Acura RDX and Mercedes-Benz GLC? Run a VIN check before you buy — uncover hidden accidents, title issues, and open recalls.

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How we score the Acura RDX and Mercedes-Benz GLC

Scores weight complaint severity at 35%, repair costs at 30%, recall impact at 20%, and the spread of complaints across systems at 15%, with complaint counts adjusted for US sales. Read the full methodology.

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