Defect Summary: Mercedes-Benz USA LLC. (MBUSA) is recalling certain 2017 smart fortwo and smart fortwo Cabriolet vehicles. Casting imperfections may result in the failure of the left front axle steering knuckle.
The 2017 smart fortwo is associated with 9 official NHTSA owner defect complaints and 1 safety recall campaign in the federal safety database. The most frequently reported component area is Electrical System, accounting for 2 reports (22% of total complaints). EPA testing covers 6 certified vehicle configurations spanning 0.9l 3-cyl and all-electric configurations. Gasoline and hybrid variants deliver 34 to 35 MPG combined. All-electric variants deliver up to 108 MPGe with an estimated range of 58 miles.
- • NHTSA Owner Complaints: 9 reports
- • Safety Recall Campaigns: 1 campaign
- • Top Reported Defect Area: Electrical System (2 / 22%)
- • NHTSA Overall Safety Rating: 4 / 5 Stars
- • EPA Efficiency: 34–35 MPG (6 variants)
What is the fuel economy and range of the 2017 smart fortwo?
Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
|---|---|---|---|---|---|---|---|---|
| fortwo cabriolet | 0.9L 3-Cyl | Rear-Wheel Drive | Automatic (AM6) | 33 MPG | 38 MPG | 35 MPG | — | $2,150 / yr |
| fortwo coupe | 0.9L 3-Cyl | Rear-Wheel Drive | Automatic (AM6) | 33 MPG | 39 MPG | 35 MPG | — | $2,150 / yr |
| fortwo cabriolet | 0.9L 3-Cyl | Rear-Wheel Drive | Manual 5-spd | 31 MPG | 38 MPG | 34 MPG | — | $2,250 / yr |
| fortwo coupe | 0.9L 3-Cyl | Rear-Wheel Drive | Manual 5-spd | 31 MPG | 39 MPG | 34 MPG | — | $2,250 / yr |
| fortwo electric drive coupe 100% Electric | Electric Motor | Rear-Wheel Drive | Automatic (A1) | 124 MPGe | 94 MPGe | 108 MPGe | 58 mi | $700 / yr |
| fortwo electric drive convertible 100% Electric | Electric Motor | Rear-Wheel Drive | Automatic (A1) | 112 MPGe | 91 MPGe | 102 MPGe | 57 mi | $750 / yr |
What are the crash test safety ratings for the 2017 smart fortwo?
Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
|---|---|---|---|---|---|
| 2 DR RWD | 14.7% |
Optional and Lane Departure Warning (LDW) is documented as No in official NHTSA records for tested 2017 smart fortwo models.
What defect complaints are reported for the 2017 smart fortwo?
Summary of 9 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2017 smart fortwo problems & component breakdown (7 categories) →Are there open safety recalls on the 2017 smart fortwo?
Manufacturer safety recall campaigns monitored and recorded by NHTSA
The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:
- NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
- NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
- U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.