2018 Mercedes-Benz CLA: common problems and reliability
The 2018 Mercedes-Benz CLA has 44 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are electrical system and engine. Owners most often flag *first generation (2014-2019) specific:.
Safety record for the 2018 model year
44
Owner complaints
0
Recalls
1
Crash reports
1
Fire reports
Source: NHTSA complaints and recalls filed for 2018 Mercedes-Benz CLA vehicles (US, public record).
Where owners report problems
electrical system
12
engine
9
air bags
7
structure
6
power train
4
What owners say across generations
Sentiment is sharply divided and heavily dependent on model year, powertrain, and owner expectations. For the first-generation (approx. 2014-2019) CLA, sentiment is predominantly negative, characterized by widespread criticism of its stiff ride quality, percei
*First Generation (2014-2019) Specific:
Transmission problems (DCT/7G-DCT) — Grinding noise on light acceleration from stop, whining in second gear, erratic RPM behavior, sluggish/unreliable starting. Frequency: very frequent.
Electrical system failures — Entire dashboard lighting up with warnings (ABS, power steering disabled), random failure of exterior lighting controls, start/stop system deactivation, no-crank/no-start conditions. Frequency: very frequent.
Engine reliability issues — Engine dying while driving with no spark (requiring replacement), white smoke from exhaust, coolant system leaks. Frequency: recurrent.
HVAC (A/C) system failures — Blowing hot air regardless of setting, faulty temperature sensors, compressor not receiving power. Frequency: recurrent.
Owner insights cover all generations of the CLA.
Typical used price
Used CLA listings typically run $15,999–$42,397 across 2014 to 2026 model years.