2020 Mercedes-Benz A35 AMG

The 2020 Mercedes-Benz A35 AMG is a performance-oriented subcompact car known for its agile handling, potent engine, and luxurious interior. Powered by a turbocharged 2.0-liter inline-4 engine producing 302 horsepower and 295 lb-ft of torque, paired with a 7-speed dual-clutch automatic transmission, it offers brisk acceleration and engaging driving dynamics. What people like about the A35 AMG include its sporty styling, advanced technology features, and comfortable ride. Some common dislikes include the sometimes-complex infotainment system, limited rear passenger space, and the higher price point compared to non-AMG A-Class models. While there are no other engine options for the A35, the A-Class is available with a less powerful engine and different trim levels.

Engine

2.0L Turbocharged Inline-4 (M260)

• Excessive Oil Consumption
  • Description/Symptoms: Owners have reported higher than normal oil consumption, requiring frequent top-offs between oil changes. Visible blue smoke may be seen from the exhaust, especially upon start-up.
  • Solution: The solution varies depending on the severity. It could involve replacing the piston rings or, in more extreme cases, a complete engine rebuild.
  • Estimated Cost to Fix: $2,000 - $8,000+
• Turbocharger Failure
  • Description/Symptoms: Loss of power, whistling sound from the turbocharger, check engine light illuminated.
  • Solution: Turbocharger replacement.
  • Estimated Cost to Fix: $2,500 - $4,500
• Coolant Leaks
  • Description/Symptoms: Low coolant levels, overheating, coolant smell, visible coolant puddles under the car. Often related to the water pump or thermostat housing.
  • Solution: Replacing the faulty water pump or thermostat housing.
  • Estimated Cost to Fix: $800 - $1,500
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch Automatic (DCT)

• Rough Shifting/Hesitation
  • Description/Symptoms: Jerky or delayed shifts, particularly at low speeds. Hesitation when accelerating from a stop.
  • Solution: Software update to the transmission control module (TCM). In some cases, replacing the valve body may be necessary.
  • Estimated Cost to Fix: $200 (software update) - $2,000+ (valve body replacement)
  • Recalls: None Found
• Clutch Slippage
  • Description/Symptoms: Engine revving high without corresponding acceleration, difficulty engaging gears.
  • Solution: Clutch replacement.
  • Estimated Cost to Fix: $3,000 - $6,000

Suspension

• Premature Wear of Suspension Components
  • Description/Symptoms: Clunking noises from the suspension, uneven tire wear, poor handling. Often related to the front control arm bushings.
  • Solution: Replacing the worn suspension components, such as control arms, bushings, or ball joints.
  • Estimated Cost to Fix: $500 - $2,000+
• Adaptive Damper Issues (If Equipped)
  • Description/Symptoms: Stiff or uncomfortable ride, warning lights on the dashboard related to the adaptive damping system.
  • Solution: Replacing the faulty adaptive dampers.
  • Estimated Cost to Fix: $1,500 - $4,000+ per damper.

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The MBUX infotainment system freezes, crashes, or experiences glitches, requiring a restart.
  • Solution: Software update. In some cases, replacement of the head unit may be necessary.
  • Estimated Cost to Fix: $0 (software update) - $2,500+ (head unit replacement)
  • Recalls: None Found
• Sensor Malfunctions
  • Description/Symptoms: Malfunctions with various sensors, such as the parking sensors, blind spot monitoring sensors, or rain sensors, leading to error messages or system inoperability.
  • Solution: Replacing the faulty sensor.
  • Estimated Cost to Fix: $200 - $800 per sensor, depending on the sensor and location.
• Battery Drain
  • Description/Symptoms: The car battery drains quickly, especially when the car is not used for a few days.
  • Solution: Diagnosing and repairing the source of the parasitic drain. This could involve replacing a faulty module or fixing a wiring issue.
  • Estimated Cost to Fix: $200 - $1,000+

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, getting stuck, or making excessive noise.
  • Solution: Repair or replacement of sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $300 - $1,500
  • Recalls: None Found
• Water Leaks
  • Description/Symptoms: Water leaking into the cabin during rain or car washes. Typically around the sunroof, door seals, or trunk.
  • Solution: Repair or replacement of seals, gaskets, or drainage components.
  • Estimated Cost to Fix: $100-$1,000+ depending on location and severity.

Interior

• Malfunctioning Power Seats
  • Description/Symptoms: The power seats do not adjust properly, or make clicking noises when operating.
  • Solution: Replacing the seat motor or repairing the wiring harness.
  • Estimated Cost to Fix: $300 - $1,200
• Dashboard Rattles
  • Description/Symptoms: Rattling or squeaking noises coming from the dashboard area.
  • Solution: Identifying and securing the loose components causing the rattles.
  • Estimated Cost to Fix: $100-$500+ (depending on location and severity)

Summary

The 2020 Mercedes-Benz A35 AMG, while offering a thrilling driving experience, appears to have some potential problem areas. Engine issues such as excessive oil consumption and turbocharger problems can be costly to repair. Transmission issues related to rough shifting could be fixed by software updates, but it may require more expensive valve body/clutch replacements. The electrical system, specifically the MBUX infotainment system, may experience freezing and crashing. Suspension components may also be prone to premature wear. Potential buyers should be aware of these issues and consider a pre-purchase inspection. The severity of these issues ranges from minor inconveniences to major repairs, with costs ranging from a few hundred dollars to several thousand.