How reliable is the Smart (mcc) Forfour?
Owner-reported reliability data: inspection results, typical mileage, and the most common failures.
The Smart (mcc) Forfour passes first-time inspections at roughly the European average. The most commonly reported issues are a suspension pin, bush or joint excessively worn, stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, tyre tread depth not in accordance with the requirements. Typical mileage by age and a year-by-year breakdown of reliability are shown below. All figures are owner-reported real-world data, not a marketing rating.
Average reliability
Based on 13,426 inspection tests. First-time pass rate: 75.8%.
Smart (mcc) Forfour reliability by year
How the Smart (mcc) Forfour performs at first-time inspection, broken down by the year cohort. Empty cells mean we don't have enough owner-reported data for that year yet.
| Year cohort | Pass rate | Typical mileage @ 5 yrs |
|---|---|---|
| 2004 | 61.1% | – |
| 2005 | 66.3% | – |
| 2006 | 65.2% | – |
| 2007 | 62.3% | – |
| 2015 | 75.8% | – |
| 2016 | 79.1% | – |
| 2017 | 83.2% | 45,835 km |
| 2018 | 87.1% | 42,479 km |
| 2019 | 87.8% | 41,133 km |
Model-level pattern, not per-car prediction
These figures describe the Smart (mcc) Forfour as a model. The reliability of any individual Smart (mcc) Forfour also depends on service history, accident history, and how it was driven. Run a free VIN check to see the records attached to a specific car you're considering.
Frequently asked questions
Is the Smart (mcc) Forfour reliable?
Based on owner-reported inspection records, the Smart (mcc) Forfour passes first-time inspections at roughly the European average. Its first-time inspection pass rate sits around 76%. Reliability varies by year and engine: see the year-by-year breakdown on this page for the specific cohort you're considering.
What are the common problems on the Smart (mcc) Forfour?
The most common owner-reported issues are: A suspension pin, bush or joint excessively worn (2.8% of inspections); Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning (2.6% of inspections); Tyre tread depth not in accordance with the requirements (2.5% of inspections); Lambda coefficient outside the default limits or the range specified by the manufacturer (1.8% of inspections); Wiper blade missing or obviously not clearing the windscreen (1.5% of inspections).
What mileage is normal for a Smart (mcc) Forfour?
For a typical Smart (mcc) Forfour, owner-reported average mileage works out to about – at 3 years, – at 5 years, and 92,946 km at 10 years. The mileage section on this page shows the full distribution, high-use vs low-use cars often differ by a factor of three.
How do I check a specific Smart (mcc) Forfour before buying?
Enter the 17-character VIN on Carlytics. The free check shows decoded specs and open safety recalls. The full vehicle history report (from EUR 8.90) cross-references owner-reported issues, mileage records, and stolen-vehicle databases for the specific car, model-level reliability tells you the pattern, the VIN check tells you the car.