AutoUtility currently tracks 46 official NHTSA owner defect complaints for the 2018 Mercedes-Benz CLA. Electrical System issues are the most frequently reported category, appearing in 12 complaints (26.1% of submitted records). Among these NHTSA complaint records, 2 filings cite a crash, 1 cites a fire, 2 report one or more injuries. The 2018 Mercedes-Benz CLA belongs to the 1st Generation (C117) platform.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
12 owner complaints submitted to NHTSA ODI for this subsystem.
8 owner complaints submitted to NHTSA ODI for this subsystem.
8 owner complaints submitted to NHTSA ODI for this subsystem.
6 owner complaints submitted to NHTSA ODI for this subsystem.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Panel flew off on the highway it was terrifying."
"After a hard impact car continued to go then when came to a stop the air bags deployed which resulted in injuring my left arm"
"Water coming into the car through the floor"
"The instrument cluster gauges start giving in accurate information and the whole dash start turning on and off. I found hundreds of people posting complaints about this issue with the 2018 mercedes cla 250 but mercedes refuses to acknowledge this issue and put out a recall probably out of greed and..."
"Corrosion of the fuel system (on a Flex Fuel rated vehicle that had used E85 blend regularly) causing sudden loss of power, misfires, lack of acceleration The vehicle experience sudden loss of power, multiple misfires, and potential damage to the engine. Had the vehicle been on the highway or..."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Mercedes-Benz CLA | 158 | 9 | 7 | View 2015 Problems → |
| 2016 Mercedes-Benz CLA | 66 | 5 | 9 | View 2016 Problems → |
| 2017 Mercedes-Benz CLA | 27 | 2 | 10 | View 2017 Problems → |
| 2018 Mercedes-Benz CLA Current Page | 46 | 2 | 10 | Current |
| 2019 Mercedes-Benz CLA | 51 | 4 | 6 | View 2019 Problems → |
| 2020 Mercedes-Benz CLA | 24 | 1 | 13 | View 2020 Problems → |
| 2021 Mercedes-Benz CLA | 8 | 1 | 6 | View 2021 Problems → |
| 2022 Mercedes-Benz CLA | 4 | 1 | 0 | View 2022 Problems → |
| 2023 Mercedes-Benz CLA | 6 | 2 | 1 | View 2023 Problems → |
| 2024 Mercedes-Benz CLA | 0 | 0 | 0 | View 2024 Problems → |
| 2025 Mercedes-Benz CLA | 1 | 0 | 0 | View 2025 Problems → |
| 2026 Mercedes-Benz CLA | 0 | 0 | 0 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 23 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Air Bags NHTSA category: AIR BAGS | 7 | 2 | 0 | 2 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 5 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 5 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 4 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 4 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,COMMUNICATION | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 2 | 0 | 1 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| ENGINE AND ENGINE COOLING,FUEL SYSTEM, GASOLINE,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Fuel System NHTSA category: FUEL SYSTEM, GASOLINE | 1 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRONIC STABILITY CONTROL (ESC),ENGINE | 1 | 0 | 0 | 0 | 0 |
| Seats & Restraints NHTSA category: SEATS | 1 | 0 | 0 | 0 | 0 |
| STEERING,AIR BAGS | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION | 1 | 0 | 0 | 0 | 0 |
| STRUCTURE,SEATS,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| STRUCTURE,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 1 | 0 | 0 | 0 | 0 |
| Wheels & Hubs NHTSA category: WHEELS | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2018 Mercedes-Benz CLA
In official NHTSA consumer records, the most frequently cited issue area for the 2018 Mercedes-Benz CLA is Electrical System, appearing in 12 records (26.1% of submitted filings).
Secondary reported categories include Air Bags & Restraints (8) and Engine & Cooling (8).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 46 consumer defect complaints and 10 safety recall campaigns for the 2018 Mercedes-Benz CLA.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2018 Mercedes-Benz CLA, 2 filings cite a crash, 1 cite smoke or fire, and 2 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.