2016 smart Fortwo problems & reliability
21 owner complaints filed with NHTSA for the 2016 smart Fortwo, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
4 complaints report injuries (7 injured).
Federal crash records (FARS 2020–2023): 2016 smart Fortwo vehicles were involved in 2 fatal crashes with 1 occupant death. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine | 8 | 38% |
| Fuel/propulsion System | 7 | 33% |
| Electrical System | 5 | 24% |
| Service Brakes | 4 | 19% |
| Unknown OR Other | 3 | 14% |
| Steering | 2 | 10% |
| Structure | 2 | 10% |
| Engine and Engine Cooling | 1 | 5% |
| Equipment | 1 | 5% |
| Forward Collision Avoidance | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“I have had it for 6 years. And it has been in for repair, at least 7 times in those somewhere around one time per year. Sometimes twice. All for heating 3 times same piece not sure what to do but it always has to do with no heat to car or overheating my insurance through carmax bout to end gonna cost me alot to keep…”
Engine · filed Mar 9, 2026
“Car shuts down while driving. This happens usually after quick stops or sudden starts like at a red light or when a car suddenly stops on front of me. I have had this issue happen to me several times. I have tried contacting Mercedes-Benz and the dealership where I bought tge car but they do nothing. I need help…”
Engine · filed Jul 4, 2024
“The contact owns a 2016 Smart ForTwo. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated with a loud whirring noise. The contact took the vehicle to an independent mechanic who diagnosed that the air intake changeover valves had failed. The independent mechanic…”
Engine · filed Apr 29, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Pedestrian alert sounds
Defect Petition DP22005 · opened Jan 27, 2023 · closed Aug 7, 2023 · led to recall 22V063000
Technical service bulletins
57 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2016 smart Fortwo. The 10 most recent:
Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause…
LI35.30-P-058566 · Service Bulletin/Repair Instructions · issued Jul 14, 2026
Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely (streaking) C: During…
LI82.30-P-059239 · Service Bulletin/Repair Instructions · issued May 19, 2026
Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Apr 16, 2026
Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in…
LI33.30-P-056665 · Service Bulletin/Repair Instructions · issued May 21, 2025
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a…
LI82.10-P-078896 · Service Bulletin/Repair Instructions · issued Apr 28, 2025
Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Apr 28, 2025
Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during a call. It becomes increasingly…
LI82.70-P-077433 · Service Bulletin/Repair Instructions · issued Mar 5, 2025
Complaint Washer fluid system leaks Cause Various possible causes: 1. Washer fluid reservoir itself. 2. Seal on washer fluid pump/washer fluid reservoir. 3. Washer fluid pump. 3.1. Distributor housing leaks. 3.2. Pump…
LI82.35-P-078467 · Service Bulletin/Repair Instructions · issued Oct 23, 2024
Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during a call. It becomes increasingly…
LI82.70-P-077433 · Service Bulletin/Repair Instructions · issued Sep 28, 2024
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a…
LI82.10-P-078307 · Service Bulletin/Repair Instructions · issued Sep 21, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2016 smart Fortwo has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2016 smart Fortwo?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.