2014 Mercedes-Benz AMG CLA45 reliability: common problems
Owners of the 2014 Mercedes-Benz AMG CLA45 filed 16 complaints with NHTSA, most often about air bags and electrical system. Details by component below, with sources.
Key figures
- Owner complaints
- 16
What fails most often
- 1 Air bags 19% of all complaints
- 2 Electrical system 19% of all complaints
- 3 Powertrain 19% of all complaints
- 4 Structure 19% of all complaints
- 5 Engine 13% of all complaints
- 6 Fuel/propulsion system 13% of all complaints
- 7 Tires 13% of all complaints
- 8 Visibility 13% of all complaints
- Air bags: 3 complaints (19% of all).
- Electrical system: 3 complaints (19% of all).
- Powertrain: 3 complaints (19% of all).
- Structure: 3 complaints (19% of all).
- Engine: 2 complaints (13% of all).
Symptoms owners describe
How many of the 16 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Air bags | 3 | 0 | 0 |
| Electrical system | 3 | 0 | 0 |
| Powertrain | 3 | 0 | 0 |
| Structure | 3 | 0 | 0 |
| Engine | 2 | 0 | 0 |
| Fuel/propulsion system | 2 | 0 | 0 |
| Tires | 2 | 0 | 0 |
| Visibility | 2 | 0 | 0 |
| Other | 2 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The contact stated that while driving approximately 65 MPH, the glass panel between the front windshield and the sunroof suddenly detached. The contact inspected the vehicle and found information on NHTSA Campaign Number: 23V854000 (Structure).
The âSunroof shadeâ malfunctioned. Just randomly came off-track. Yes, it is still available to inspect. Shade now hangs down and rises a safety concern for visibility. Not inspected by a dealer or other representative yet. No warning lights or failure notices are present.
.I purchased brand new vehicle from carmax of oaklawn , who imported the vehicle from naperville il it came with 90 day gaurantee or money back.I then drove to florida 2 weeks after purchase of the vehicle of which my boyfriend [xxx] at the time can attest the vehicle drove amazing.upon my arrival I was having…
They offer a 90 day guarantee on anything that will go wrong with the vehicle full coverage. My daughter was having my grandchild so what a great opportunity but to drive my new vehicle from Chicago to Florida to give it a good run when I arrived I was having problems with the Eco drive, which is the start stop…
Vehicle appears to be a different vehicle or possibly a cloned vehicle according to fbi records . Safety does not match up nor specs with the vehicles vin report or carfax . Possibly a duped vehicle. Claims rear cam no camera specs show vehicle to be electric or blue liquid propeled .
Tire tread tore from the inseam of tire causing me to be stranded out of state for 2 days waiting on means of a new tire . The vehicle pulls and now has needed a second tire replacemnt on same side. Consistant warning from tpm rim bent causing rim leak on current tire.
New tire replacement after a faulty tire. Tpms not registering correctly, rim leak from imporper sealing and now tire had a small tear had to be pluggled
While driving on the freeway the glass piece between the windshield and sunroof flew off of the car, causing a major safety hazard.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 8,547 of 32,257 model years in the NHTSA data (top 26% most complained about).
On average one model year of the AMG CLA45 has 3 complaints (11 years in the data). This year has 16, above average.
What to check before buying
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Other years of this model
Questions and answers
What are the most common problems with the 2014 Mercedes-Benz AMG CLA45?
Owner complaints to NHTSA most often mention: air bags, electrical system, powertrain. Total complaints: 16. The most frequent symptoms in complaint texts: windows, sunroof (31%), warning lights, check engine (13%), knocking, grinding or other noise (6%).
How many service bulletins (TSB) were issued for the 2014 Mercedes-Benz AMG CLA45?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2014 Mercedes-Benz AMG CLA45 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2014 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.