2017 Mercedes-Benz CLA250 Electrical system Problems
- Complaints
- 7about this part
- Share
- 25%of 28 total for the year
- Median mileage
- 29,929miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the electrical system of the 2017 Mercedes-Benz CLA250, 25% of the 28 complaints for this model year. Where a mileage was given, the median is 29,929 miles. 1 recall campaign on record is filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Sensor malfunctions, battery power loss with complete electrical shutdown, faulty wire harnesses, locked up steering wheel while in motion on freeway, head unit defaults, faulty tires with blistering, countless recalls.”
NHTSA complaint #11074020, filed 2018-02, 19,400 miles“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 for inspection upon request. How was your safety or the safety of others put at risk? When the display failed, I was unable to view critical information such as vehicle speed, warning lights, and engine performance data. This posed a significant safety risk, especially while navigating traffic. …”
NHTSA complaint #11675859, filed 2025-07“The contact owns a 2017 Mercedes-Benz CLA250. The contact stated that soon after having her oil changed, a coolant warning light illuminated on the instrument panel. The contact then took the vehicle to an independent mechanic where coolant was added. The contact also mentioned that the home screen would go blank intermittently while driving at various speeds. Upon investigation, the contact linked the failure to NHTSA campaign number: 17v114000 (electrical system, engine and engine cooling) however, the VIN was not included. …”
NHTSA complaint #11383824, filed 2020-12Related recalls
- 17V114000Feb 23, 2017Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300…Covers: Mercedes-Benz CLA250 2015–2017, C300 2015–2017, AMG CLA45 2015–2017 +7 more
Related service bulletins
- 11036142Aug 12, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11036190Aug 6, 2026Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search…
- 11033185May 26, 2026Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the…
- 11032699May 12, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11030088Mar 9, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11029093Feb 28, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11028816Feb 13, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11027904Jan 30, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11026611Dec 11, 2025Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11026020Dec 3, 2025Complaint The check engine light illuminates or the 48 V message is displayed in the instrument cluster Cause Fault code "P0A7F00" stored in the 48 V battery G1/3 and/or is…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 17% |
| 2020 | 5 | 25% |
| 2019 | 2 | 9% |
| 2018 | 10 | 24% |
| 2017 | 7 | 25% |
| 2016 | 9 | 13% |
| 2015 | 6 | 10% |
| 2014 | 44 | 25% |
| 2013 | 1 | 11% |
| 2012 | 2 | 29% |
Other parts of the 2017 Mercedes-Benz CLA250
5 complaintsEngine
4 complaintsOther or unknown
4 complaintsTransmission and drivetrain
4 complaintsBody and structure
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsSteering
2 complaintsWheels
2 complaintsEngine cooling
1 complaintsEquipment
1 complaintsFuel system
1 complaintsLane departure
1 complaints
← All problems reported for the 2017 Mercedes-Benz CLA250
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology