AutoUtility currently tracks 27 official NHTSA owner defect complaints for the 2017 Mercedes-Benz CLA. Electrical System issues are the most frequently reported category, appearing in 7 complaints (25.9% of submitted records). Among these NHTSA complaint records, 2 filings cite a crash, 2 report one or more injuries. The 2017 Mercedes-Benz CLA belongs to the 1st Generation (C117) platform.

Key Problem Findings
  • Total NHTSA Complaints: 27 reports
  • #1 Reported Problem Area: Electrical System (7 reports • 25.9% of submitted complaints)
  • Secondary Problem Areas: Air Bags & Restraints (5), Powertrain & Transmission (4)
  • Crash-Citing Complaints: 2 filings
  • Fire-Citing Complaints: 0 filings
  • Complaints Reporting Injuries / Fatalities: 2 injury filings • 0 fatality filings
Reporting Methodology: Statistics describe unverified consumer submissions voluntarily filed with NHTSA. Complaint volume is not normalized for vehicle sales volume or miles driven. Multiple components can be cited within a single owner complaint submission.
Total Complaints
27
Submitted to NHTSA ODI
Crash-Citing Complaints
2
Filings citing a collision
Fire-Citing Complaints
0
Filings citing smoke or fire
Complaints Reporting Injuries
2
Filings citing one or more injuries
Complaints Reporting Fatalities
0
Consumer filings citing fatalities

Most Reported Problems for 2017 Mercedes-Benz CLA

Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records

#1 Problem Area 25.9% of complaints

Electrical System

7 owner complaints submitted to NHTSA ODI
⚠️ NHTSA Recall Context

NHTSA records list 3 official safety recall campaigns for this model year involving the same broad component area:

*Component overlap means an official recall exists for the same broad vehicle system. It does not establish that an individual owner complaint was caused by, covered by, or resolved through that recall.
✓ 0 crashes or fires cited
#2 Problem Area 18.5% of complaints

Air Bags & Restraints

5 owner complaints submitted to NHTSA ODI
⚠️ NHTSA Recall Context

NHTSA records list 3 official safety recall campaigns for this model year involving the same broad component area:

*Component overlap means an official recall exists for the same broad vehicle system. It does not establish that an individual owner complaint was caused by, covered by, or resolved through that recall.
⚠️ 1 crash report 🩹 2 injury report entries
#3 Problem Area 14.8% of complaints

Powertrain & Transmission

4 owner complaints submitted to NHTSA ODI
✓ 0 crashes or fires cited
#4 Problem Area 14.8% of complaints

Body & Structure

4 owner complaints submitted to NHTSA ODI
⚠️ NHTSA Recall Context

NHTSA records list 2 official safety recall campaigns for this model year involving the same broad component area:

*Component overlap means an official recall exists for the same broad vehicle system. It does not establish that an individual owner complaint was caused by, covered by, or resolved through that recall.
⚠️ 1 crash report
#5 Problem Area 14.8% of complaints

Engine & Cooling

4 owner complaints submitted to NHTSA ODI
✓ 0 crashes or fires cited
Domain Share Note: Share percentage represents the proportion of unique complaint filings referencing each vehicle system. Because single complaints may cite multiple systems (such as engine and electrical simultaneously), domain percentages represent individual category incidence and may sum to over 100%.

Recent NHTSA Owner Reports for 2017 Mercedes-Benz CLA

Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation

Electrical System NHTSA ODI ID: #11675859
Filed: 07/24/2025

"What component or system failed or malfunctioned, and is it available for inspection upon request? The instrument cluster display intermittently failed, either showing incorrect information or going completely blank while driving. Yes, the component is still installed in the vehicle and available..."

Incident Date: 07/20/2025 • Raw NHTSA Component: ELECTRICAL SYSTEM
Powertrain & Transmission NHTSA ODI ID: #11667130
Filed: 06/16/2025

"Component or System That Failed or Malfunctioned: The component that failed was the partial-load ventilation valve, which is part of the engine’s crankcase ventilation system. This valve is responsible for regulating airflow and pressure within the crankcase during partial engine loads. A..."

Incident Date: 05/22/2025 • Raw NHTSA Component: POWER TRAIN
Fuel & Propulsion System NHTSA ODI ID: #11602367
Filed: 07/15/2024

"Approximately 6 months I noticed my vehicle began to emit an odor and is not responsive immediately when I press on the gas. During this time period a yellow check engine light appeared on my dashboard. My local mechanic recommended Christopher Motors in Warwick Rhode Island and German Motors in..."

Incident Date: 02/13/2024 • Raw NHTSA Component: ENGINE,FUEL/PROPULSION SYSTEM
Electrical System NHTSA ODI ID: #11597926
Filed: 07/01/2024

"1. What component or system failed or malfunctioned, and is it available for inspection upon request? The trunk latch system failed, causing the trunk to open unexpectedly. Yes, the component is available for inspection upon request. 2.How was your safety or the safety of others put at risk? The..."

Incident Date: 06/03/2024 • Raw NHTSA Component: ELECTRICAL SYSTEM,LATCHES/LOCKS/LINKAGES
Visibility, Wipers & Glass NHTSA ODI ID: #11597877
Filed: 07/01/2024

"The contact owns a 2017 Mercedes-Benz CLA250. The contact stated while driving 60 MPH, the contact heard a loud pop inside the vehicle. The vehicle was steered to the side of the road and the contact observed that the sunroof panel was missing. A Police Officer passing by stated that he observed..."

Incident Date: 06/25/2024 • Raw NHTSA Component: VISIBILITY
Consumer Narrative Notice: Excerpts are sanitized text descriptions submitted by vehicle owners to the federal ODI database. They reflect the reporting consumer's observations at the time of filing and have not been independently confirmed by vehicle manufacturers or government investigators.

Complaint History for Mercedes-Benz CLA

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 Current Page 27 2 10 Current
2018 Mercedes-Benz CLA 46 2 10 View 2018 Problems →
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 →
Comparative Disclaimer: Complaint totals are unadjusted historical counts and are not normalized for vehicles sold, active fleet size, or total road mileage. Newer model years naturally have had less calendar exposure time to accumulate owner filings.

Detailed NHTSA Component Breakdown for 2017 Mercedes-Benz CLA

Complete distribution of consumer defect reports across all 16 granular NHTSA system and subsystem classifications

Vehicle Component / System Total Complaints Crash Reports Fire Reports Reported Injury Entries Reported Fatality Entries
Air Bags NHTSA category: AIR BAGS 5 1 0 2 0
Powertrain NHTSA category: POWER TRAIN 3 0 0 0 0
Structure & Body NHTSA category: STRUCTURE 3 1 0 0 0
Electrical System NHTSA category: ELECTRICAL SYSTEM 2 0 0 0 0
ELECTRICAL SYSTEM,ENGINE 2 0 0 0 0
Visibility / Glass NHTSA category: VISIBILITY 2 0 0 0 0
ELECTRICAL SYSTEM,LATCHES/LOCKS/LINKAGES 1 0 0 0 0
Engine NHTSA category: ENGINE 1 0 0 0 0
ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM,EQUIPMENT 1 0 0 0 0
ENGINE,FUEL/PROPULSION SYSTEM 1 0 0 0 0
POWER TRAIN,UNKNOWN OR OTHER 1 0 0 0 0
Steering NHTSA category: STEERING 1 0 0 0 0
STEERING,ELECTRICAL SYSTEM,WHEELS 1 0 0 0 0
Other / Uncategorized NHTSA category: UNKNOWN OR OTHER 1 0 0 0 0
VISIBILITY,UNKNOWN OR OTHER 1 0 0 0 0
Wheels & Hubs NHTSA category: WHEELS 1 0 0 0 0
Data Attribution & Reporting Methodology: Complaints are unverified voluntary submissions to the NHTSA Office of Defects Investigation (ODI). Because multiple vehicle components can be cited within a single owner complaint submission, component-level rollups may sum to more than the unique complaint count (27). Injury and fatality entries in the detailed table reflect raw values entered by reporting consumers across individual submissions; they are not deduplicated casualty statistics and may include duplicate or unverified entries. Complaint volume is not normalized for sales volume or vehicle mileage and does not represent an audited component failure rate.
Official US Government Data Provenance

The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.