Last updated: 2026-10-10

Mercedes-Benz CLA vs Tesla Model 3: Reliability Compared

Mercedes-Benz CLA reliability comparison

Mercedes-Benz CLA

48
MixedReliability score: 48 out of 100, rated Mixed
VS
More ReliableTesla Model 3 reliability comparison

Tesla Model 3

55
MixedReliability score: 55 out of 100, rated Mixed

On reliability, the Tesla Model 3 beats the Mercedes-Benz CLA by a clear margin. The CLA has far more recalls and more owner complaints per car sold. Both still have serious weak spots, so the model year you buy matters.

How Do the Mercedes-Benz CLA and Tesla Model 3 Generations Compare?

Most used Model 3 shoppers will land in the first generation, which covered US model years 2017 to 2023. A styling update arrived for 2021, and the second generation began in 2024 with a refresh that same year. That puts the weak 2018 and 2021 years inside the first generation. The CLA first generation, the C117, covered 2013 to 2019 and was refreshed in 2017. The second generation, the C118, began in 2019 and ran through 2023, with a facelift in 2023. A used CLA from 2018 or 2019 sits near the handover between generations, so confirm which one you are looking at.

Verdict

The Tesla Model 3 is more reliable than the Mercedes-Benz CLA, scoring 55/100 vs 48/100.

Fewer complaints per car sold and far fewer recalls give the Tesla Model 3 a clear edge over the CLA. Neither car is trouble free, since both sit at a mixed standing. The Model 3 problems center on phantom braking, driver-assist behavior, and front suspension wear. The CLA problems are engine, electrical, and transmission faults that can leave you stalled on the highway. The lower complaint rate is the deciding reason to favor the Model 3.

Key Differences

  1. 1Tesla Model 3 has 493 fewer total recalls
  2. 2Tesla Model 3 has 17.3 fewer complaints per 10k sold
  3. 3Tesla Model 3 scores 7 points higher in reliability

Category Scoreboard

0Mercedes-Benz CLA
—
3Tesla Model 3
Reliability ScoreTotal RecallsComplaint Rate

Mercedes-Benz CLA vs Tesla Model 3: Which Is More Reliable?

Mercedes-Benz CLA vs Tesla Model 3 at-a-glance reliability comparison
MetricMercedes-Benz CLATesla Model 3
Reliability Score48/10055/100
Years Tracked79
Total Recalls606113
Complaints per 10k Sold4628.7
Year Wins2 (1 tied)4 (1 tied)

What Are the Common Problems With the Mercedes-Benz CLA and Tesla Model 3?

Phantom braking on open highway leads the Model 3 reports, and sudden unintended acceleration while parking is the main speed-control complaint. Worn front control arms show up in steering. The CLA fails in other ways: crankcase ventilation code P052E, cracked pistons, a transmission slipping into neutral at highway speed, and shattering panoramic sunroofs. Every Model 3 problem area has crash-linked filings. CLA crash links are concentrated in electrical, power train, and steering, while engine and structure each have only one. Fire appears in CLA electrical reports, though some of those filings name other Mercedes models.

Mercedes-Benz CLA vs Tesla Model 3 common problem areas comparison
ComponentMercedes-Benz CLATesla Model 3
ELECTRICAL SYSTEM6.2Average3Low
UNKNOWN OR OTHER4.1Average3.1Average
FORWARD COLLISION AVOIDANCE0.4Very Low6.1Average
STEERING2.2Low2.6Low
VEHICLE SPEED CONTROL0.9Very Low3.7Average
ENGINE4.5Average—None
POWER TRAIN3Low0.4Very Low
SERVICE BRAKES0.9Very Low2.1Low
AIR BAGS1Very Low1.7Low
STRUCTURE1.4Low0.7Very Low
SUSPENSION0.2Very Low1.6Low
FUEL SYSTEM1Very Low—None
WHEELS0.6Very Low0.1Very Low
TIRES0.6Very Low—None
VISIBILITY0.3Very Low—None
LANE DEPARTURE—None0.3Very Low
BACK OVER PREVENTION0.2Very Low—None
SEATS0.1Very Low0.1Very Low
EXTERIOR LIGHTING—None0.2Very Low
SEAT BELTS0.1Very Low—None

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

How Does Mercedes-Benz CLA vs Tesla Model 3 Reliability Compare by Year?

Mercedes-Benz CLA vs Tesla Model 3 year-by-year reliability scores
YearMercedes-Benz CLATesla Model 3Edge
202664/1000R / 0C59/1001R / 1CMercedes-Benz CLA
202444/1008R / 23C62/1004R / 183CTesla Model 3
202238/10076R / 272C50/10016R / 729CTesla Model 3
202145/100149R / 318C48/10020R / 626CTesla Model 3
202056/10062R / 110C54/10020R / 416CMercedes-Benz CLA
201944/100196R / 523C49/10021R / 569CTesla Model 3
201846/100115R / 529C46/10018R / 951CTie

Best years to cross-shop: The 2020 Mercedes-Benz CLA scored 56/100 and the 2024 Tesla Model 3 scored 62/100 — the strongest shared model years that have been on the road for at least two years, where available.

Who Should Buy the Mercedes-Benz CLA vs the Tesla Model 3?

Pick the Model 3 if you want fewer recalls and fewer complaints per car sold. Skip 2018 and 2021, the weakest years, and check for rusted brake lines on early 2018 builds. Drive it on a highway to see whether phantom braking shows up, and ask whether the front control arms have been replaced. The 2024 and 2025 years score best, but they have had less time to collect complaints, so do not read that as proof. Pick the CLA if you want a compact Mercedes and can accept the risk of a costly repair. Avoid 2022 and 2024, the weakest years. The 2020 year is a strong one with a longer record behind it, while 2026 has had little time to collect complaints. Check for open recalls first, since owners report repairs held up by missing parts. Ask about crankcase ventilation work and any transmission or 48V battery warnings. Budget for an out-of-pocket repair near $2,000 if the engine code appears, and inspect panoramic sunroof glass closely.

Mercedes-Benz CLA vs Tesla Model 3: Common Questions

Is the Tesla Model 3 more reliable than the Mercedes-Benz CLA?
Yes, the Model 3 has a clear edge. Owners file about 28.7 complaints per 10,000 sold, against 46 for the CLA. Both have a mixed standing, though. The Model 3 struggles with phantom braking and suspension wear, while the CLA has engine, transmission, and electrical failures.
Which has more recalls, the Model 3 or the CLA?
The CLA has far more. Federal recall records show 606 across seven model years for the CLA, against 113 across nine model years for the Model 3. Check any specific car for open recalls, because CLA owners report repairs delayed by unavailable parts.
What goes wrong most often on a Tesla Model 3?
Forward collision avoidance leads with 841 complaints. The most common report is phantom braking, where the car stops hard with nothing ahead. Unintended acceleration while parking and worn front control arms are also frequent. Charging failures around 30,000 miles appear in electrical reports.
Does the Mercedes-Benz CLA have engine or transmission problems?
Yes. Engine owners report crankcase ventilation code P052E, with repair quotes around $2,000. A few describe cracked pistons and a replaced engine just past 50,000 miles. Transmission reports include slipping into neutral at highway speed, which dealers often cannot reproduce.
Which model years should I avoid for each car?
For the Model 3, avoid 2018 and 2021, the weakest years. Early 2018 builds also show rusted brake lines. For the CLA, avoid 2022 and 2024. Newer years with few complaints have simply had less time to collect them, so do not treat them as proven.

Related Reliability Comparisons

Decided between Mercedes-Benz CLA and Tesla Model 3? Run a VIN check before you buy — uncover hidden accidents, title issues, and open recalls.

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How we score the Mercedes-Benz CLA and Tesla Model 3

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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