2015 Mercedes-Benz AMG CLA45 reliability: common problems
Owners of the 2015 Mercedes-Benz AMG CLA45 filed 3 complaints with NHTSA, most often about air bags and electrical system. Details by component below, with sources.
Key figures
- Owner complaints
- 3
What fails most often
- 1 Air bags 33% of all complaints
- 2 Electrical system 33% of all complaints
- 3 Engine 33% of all complaints
- 4 Structure 33% of all complaints
- Air bags: 1 complaints (33% of all).
- Electrical system: 1 complaints (33% of all).
- Engine: 1 complaints (33% of all).
- Structure: 1 complaints (33% of all).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Air bags | 1 | 0 | 0 |
| Electrical system | 1 | 0 | 0 |
| Engine | 1 | 0 | 0 |
| Structure | 1 | 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 at an undisclosed speed, there was excessive noise coming from the sunroof. The vehicle was taken to a local dealer but was not diagnosed or repaired. The contact stated the failure was related to NHTSA Campaign Number: 21V197000 (Structure) however, the VIN was not included.
I received a safety recall notice from mercedes-benz in february 2019 for the passenger-side airbag (see attached copy). It states that "a passenger-side inflator explosion during deployment could result in sharp metal fragments striking the front passenger or other occupants, possibly causing serious injury or…
Tl* the contact owns a 2015 mercedes-benz cla45 amg. The contact received notification of nhtsa campaign number: 17v114000 (electrical system, engine and engine cooling). The part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair.
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 15,523 of 32,257 model years in the NHTSA data (top 48% most complained about).
On average one model year of the AMG CLA45 has 3 complaints (11 years in the data). This year has 3, 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.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- 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 2015 Mercedes-Benz AMG CLA45?
Owner complaints to NHTSA most often mention: air bags, electrical system, engine. Total complaints: 3. The most frequent symptoms in complaint texts: windows, sunroof (33%).
How many service bulletins (TSB) were issued for the 2015 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 2015 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 2015 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.