2014 Mercedes-Benz A45 AMG
The 2014 Mercedes-Benz A45 AMG is a performance-oriented hatchback known for its potent engine and sporty driving dynamics. The A45 AMG came standard with a 2.0-liter turbocharged inline-4 engine, which produced 355 horsepower and 332 lb-ft of torque. It was exclusively paired with a 7-speed dual-clutch automatic transmission. People generally appreciate the A45 AMG’s powerful engine, agile handling, and premium interior. Some criticisms include a firm ride and relatively high price point for a hatchback. This information focuses specifically on the 2014 model year A45 AMG.
Engine
2.0L Turbocharged Inline-4 (M133)
- High-Pressure Fuel Pump Failure
- Description/Symptoms: Engine misfires, rough idling, loss of power, fuel smell, and a potential check engine light.
- Solution: Replacement of the high-pressure fuel pump.
- Estimated Cost to Fix: $800 - $1500+
- Recalls: None Found
- Turbocharger Failure
- Description/Symptoms: Whining noises from the engine bay, loss of power, check engine light. Can be caused by oil starvation, or wear and tear of the internal components.
- Solution: Replacement or rebuild of the turbocharger.
- Estimated Cost to Fix: $2500 - $4500+
- Recalls: None Found
Transmission
7-Speed Dual-Clutch Automatic (AMG SPEEDSHIFT DCT 7)
- Rough Shifting/Hesitation
- Description/Symptoms: Jerky gear changes, especially at low speeds. Hesitation when accelerating, particularly when shifting from a stop.
- Solution: Transmission software update. If the problem persists, a transmission service (fluid and filter change) may be required, or potentially replacement of the valve body.
- Estimated Cost to Fix: Software update: $200-500, Transmission service: $400 - $800, Valve body replacement $1500 - $3000+
- Recalls: None Found
- Clutch Wear
- Description/Symptoms: Slipping during acceleration, especially in higher gears. Difficulty engaging gears.
- Solution: Replacement of the dual-clutch assembly.
- Estimated Cost to Fix: $3000 - $6000+
- Recalls: None Found
Suspension
- Damper Failure (AMG Ride Control)
- Description/Symptoms: Excessive bouncing, poor handling, uneven tire wear, clunking noises from the suspension. Primarily affects vehicles equipped with the optional AMG Ride Control adjustable suspension.
- Solution: Replacement of the faulty damper(s).
- Estimated Cost to Fix: $800 - $2000+ per damper
- Recalls: None Found
Electrical
- Battery Drain
- Description/Symptoms: Car failing to start, especially after sitting for a few days. Warning messages about low battery voltage.
- Solution: Diagnose parasitic drain. Could be due to a faulty module, improperly installed aftermarket components, or a failing battery.
- Estimated Cost to Fix: $100 - $1000+ depending on the source of the drain.
- Recalls: None Found
- COMAND System Malfunctions
- Description/Symptoms: Screen freezing, system rebooting, navigation issues, Bluetooth connectivity problems.
- Solution: Software update, or replacement of the COMAND unit.
- Estimated Cost to Fix: $300 - $2000+
- Recalls: None Found
Exterior
- No Issues Found
Interior
- Airbag Warning Light
- Description/Symptoms: Airbag warning light illuminated on the dashboard. This could be due to a faulty sensor, wiring issue, or a problem with the airbag module.
- Solution: Diagnosis and repair of the airbag system, which may involve replacing a sensor, repairing wiring, or replacing the airbag module.
- Estimated Cost to Fix: $200 - $1000+
- Recalls: None Found
Summary
The 2014 Mercedes-Benz A45 AMG presents a mix of performance-related and general vehicle issues. Engine and transmission problems, while not overwhelmingly common, can be costly due to the high-performance nature of the components. Electrical gremlins and suspension issues can also contribute to ownership costs. Overall, potential buyers should be aware of these potential issues and conduct thorough pre-purchase inspections. Repair costs can range from a few hundred dollars for minor fixes to several thousand for major component replacements.