One problem related to engine knocking noise has been reported for the 2009 Smart Fortwo. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Smart Fortwo based on all problems reported for the 2009 Fortwo.
The contact owns a 2009 Smart Fortwo. The contact heard a knocking sound under the hood of the vehicle and smoke began to fill the vehicle underneath the steering column. The contact parked and turned off the vehicle; however, the knocking sound and smoke continued. The horn and alarm began to sound. The contact disconnected the battery and flames appeared underneath the dashboard. A police report was filed. The vehicle was towed to the dealer where it was declared un-drivable. The manufacturer was made aware of the failure. The approximate failure mileage was 29,000.