2014 Mercedes-Benz CLA250

The 2014 Mercedes-Benz CLA250 is a stylish and sporty compact sedan, boasting a 2.0-liter turbocharged inline-4 engine producing 208 horsepower and 258 lb-ft of torque. It was offered with a 7-speed dual-clutch automatic transmission. Some owners appreciate its sleek coupe-like design and fuel efficiency, while others find the ride a bit harsh and the rear seat cramped.

Engine

2.0L Turbocharged Inline-4 (M270)

• Timing Chain Issues
  • Description/Symptoms: Some owners report issues with the timing chain stretching or failing prematurely. This can cause a rattling noise upon startup, rough running, and in severe cases, engine damage.
  • Solution: Replacement of the timing chain, tensioner, and guides.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil leaks, especially around the valve cover gasket and timing chain cover, are not uncommon.
  • Solution: Replacement of the affected gasket or seal.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found
• High Pressure Fuel Pump Failure
  • Description/Symptoms: Difficulty starting, long cranks, stalling, and fuel trims showing incorrect readings.
  • Solution: Replacement of the high pressure fuel pump.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch Automatic (7G-DCT)

• Rough Shifting/Hesitation
  • Description/Symptoms: Jerky or delayed shifts, especially at low speeds, and hesitation when accelerating are reported.
  • Solution: Transmission adaptation reset, software update, or in some cases, valve body replacement.
  • Estimated Cost to Fix: $150 - $3,000+ (depending on severity and repair needed)
  • Recalls: None Found
• Mechatronic Unit Failure
  • Description/Symptoms: Complete loss of gear engagement, transmission malfunction warnings, and inability to shift.
  • Solution: Replacement of the mechatronic unit.
  • Estimated Cost to Fix: $2,500 - $4,500+
  • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Battery Drain
  • Description/Symptoms: Premature battery drain can occur, sometimes linked to faulty modules or improper shut-down of electronic systems.
  • Solution: Diagnosis of the source of the drain and replacement of the faulty component.
  • Estimated Cost to Fix: $150 - $1,000+ (depending on the cause)
  • Recalls: None Found
• Malfunctioning Sensors
  • Description/Symptoms: Failure of various sensors, such as oxygen sensors, wheel speed sensors, or crankshaft position sensors, can trigger warning lights and affect vehicle performance.
  • Solution: Diagnosis of the faulty sensor and replacement.
  • Estimated Cost to Fix: $150 - $500+ per sensor
  • Recalls: None Found
• Faulty Window Switch
  • Description/Symptoms: Intermittent or complete failure of the window switch module.
  • Solution: Replacement of the faulty window switch module.
  • Estimated Cost to Fix: $150 - $400+
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof may stick or make noises when opening or closing. In some cases, the sunroof motor or mechanism can fail.
  • Solution: Lubrication of the tracks, repair or replacement of the motor or mechanism.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Some owners have reported cracking on the dashboard, especially in warmer climates.
  • Solution: Dashboard replacement.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Summary: The 2014 Mercedes-Benz CLA250 is prone to some issues, particularly concerning the engine and transmission. Timing chain issues and oil leaks can be costly engine repairs. The dual-clutch transmission can exhibit rough shifting and, more seriously, mechatronic unit failures. Electrical problems, such as battery drains and sensor malfunctions, are also reported. Dashboard cracking has also been reported by some owners. Potential owners should be aware of these potential issues and factor in possible repair costs.