2012 Smart Fortwo

The 2012 Smart Fortwo is a rear-engine, rear-wheel-drive subcompact car known for its small size and fuel efficiency. It was available as a coupe and a convertible. The only engine option was a 1.0-liter three-cylinder Mitsubishi 3B21 engine producing 70 horsepower and 68 lb-ft of torque. The transmission option was a 5-speed automated manual transmission (AMT). Owners often appreciate the Fortwo for its maneuverability and parking ease in urban environments. Common complaints include its jerky transmission, limited cargo space, and susceptibility to crosswinds on the highway.

Engine

1.0L 3B21 I3

• Oil Leaks
  • Description/Symptoms: Oil leaks may originate from the valve cover gasket, oil pan gasket, or rear main seal. Symptoms include visible oil drips under the car, a burning oil smell, and low oil levels.
  • Solution: Replace the leaking gasket or seal.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Misfires
  • Description/Symptoms: Engine misfires can be caused by faulty spark plugs, ignition coils, or fuel injectors. Symptoms include rough idling, reduced power, and a check engine light.
  • Solution: Replace the faulty spark plugs, ignition coils, or fuel injectors.
  • Estimated Cost to Fix: $50 - $400+
  • Recalls: None Found

Transmission

5-Speed Automated Manual Transmission (AMT)

• Jerky Shifting/Hesitation
  • Description/Symptoms: The automated manual transmission is known for its jerky shifting and hesitation, especially at lower speeds. This is a common complaint and is often described as a lack of smoothness compared to traditional automatic transmissions.
  • Solution: While there’s no definitive “fix”, software updates from Smart may improve the shifting behavior. Some owners report improved performance with transmission adaptation resets using a professional-grade scan tool. In some cases, complete transmission replacement may be necessary.
  • Estimated Cost to Fix: $100 (Software Update) - $3000+ (Transmission Replacement)
  • Recalls: None Found
• Clutch Actuator Failure
  • Description/Symptoms: The clutch actuator is responsible for engaging and disengaging the clutch. Failure can result in difficulty shifting, inability to shift, or complete loss of drive. A clicking noise from the actuator area may also be present.
  • Solution: Replace the clutch actuator.
  • Estimated Cost to Fix: $500 - $1200+
  • Recalls: None Found

Suspension

• Worn Suspension Bushings
  • Description/Symptoms: Worn suspension bushings (control arm bushings, sway bar bushings) can lead to clunking noises, vague steering, and uneven tire wear.
  • Solution: Replace the worn suspension bushings.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Electrical

• Instrument Cluster Issues
  • Description/Symptoms: The instrument cluster may experience flickering lights, inaccurate readings, or complete failure.
  • Solution: Repair or replace the instrument cluster.
  • Estimated Cost to Fix: $100 - $800+
  • Recalls: None Found
• Central Locking System Malfunctions
  • Description/Symptoms: Central locking system may fail to lock or unlock doors properly, or the remote key fob may become unresponsive.
  • Solution: Diagnose and repair the wiring, replace the central locking module, or reprogram the key fob.
  • Estimated Cost to Fix: $50 - $500+
  • Recalls: None Found

Exterior

• Convertible Top Issues (Convertible Model)
  • Description/Symptoms: Problems with the convertible top mechanism can include difficulty opening or closing, leaks, or unusual noises during operation.
  • Solution: Repair or replace the convertible top motor, hydraulic lines, or fabric.
  • Estimated Cost to Fix: $200 - $1500+
  • Recalls: None Found

Interior

• Seat Issues
  • Description/Symptoms: The seat height adjuster can break, or the seat frame can become loose, causing rocking.
  • Solution: Replace the seat or repair the seat frame.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Summary The 2012 Smart Fortwo has several common issues, with the transmission being a major source of complaints due to its jerky shifting and potential for clutch actuator failure. Engine oil leaks and electrical problems are also relatively common. Suspension issues can develop as the car ages. The severity of these issues ranges from minor inconveniences to more significant repairs. Costs can vary depending on the specific problem and the repair shop, but some issues, like transmission replacement or convertible top repairs, can be quite expensive.