2020 Mercedes-Benz Alliado

The 2020 Mercedes-Benz Alliado is a mid-size luxury SUV that offers a combination of performance, style, and comfort. It is powered by a 3.0L V6 engine that produces 329 horsepower and 354 lb-ft of torque, and it comes standard with a 9-speed automatic transmission. The Alliado is also available with a 2.0L turbocharged 4-cylinder engine that produces 255 horsepower and 273 lb-ft of torque, and a 7-speed automatic transmission.

Owners of the 2020 Mercedes-Benz Alliado have reported several issues with their vehicles. Some of the most common problems include:

Engine

• 3.0L V6 Engine
  • Intake manifold runner actuators
    • Description/Symptoms: Intake manifold runner actuators fail, causing a loss of power and a check engine light.
    • Solution: Replace the intake manifold runner actuators.
    • Estimate Cost to Fix: $1,000 - $2,000+
    • Recalls: #20V691000 (US)
• 2.0L I4 Turbo Engine
  • Turbocharger Boost Pressure Sensor
    • Description/Symptoms: Turbocharger Boost Pressure Sensor (Part number: A2789050603) fails, causing a loss of boost pressure and a reduction in engine power.
    • Solution: Replace the Turbocharger Boost Pressure Sensor.
    • Estimate Cost to Fix: $200 - $400+
    • Recalls: None Found

Transmission

• 9-Speed Automatic Transmission
  • Transmission Control Module (
    • Description/Symptoms: The Transmission Control Module (TCM) fails, causing the transmission to shift erratically and eventually fail.
    • Solution: Replace the TCM.
    • Estimate Cost to Fix: $2,000 - $3,000+
    • Recalls: #20V71000 (US)

Suspension

• Front Suspension
  • Lower Control Arm Bushings (
    • Description/Symptoms: The lower control arm bushings wear prematurely, causing the front end of the vehicle to wander and make noise.
    • Solution: Replace the lower control arm bushings.
    • Estimate Cost to Fix: $600 - $1,200+
    • Recalls: None Found
• Rear Suspension
  • Rear Shock Absorbers
    • Description/Symptoms: The rear shock absorbers fail, causing the rear end of the Alliado to bounce excessively.
    • Solution: Replace the rear shock absorbers.
    • Estimate Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Electrical

• Battery
  • Premature Battery Failure
    • Description/Symptoms: The battery fails prematurely, causing the vehicle to lose power and not start.
    • Solution: Replace the battery.
    • Estimate Cost to Fix: $300 - $600+
    • Recalls: None Found
• Electrical System
  • Wiring Harness
    • Description/Symptoms: The wiring harness fails, causing electrical problems throughout the vehicle.
    • Solution: Repair or replace the wiring harness.
    • Estimate Cost to Fix: $500 - $2,000+
    • Recalls: #20V316000 (US)

Exterior

• Headlights
  • Condensation in Headlights
    • Description/Symptoms: Condensation builds up inside the headlights, causing the headlights to dim and eventually fail.
    • Solution: Replace the headlights.
    • Estimate Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Interior

• Climate Control System
  • AC Compressor Failure
    • Description/Symptoms: The AC compressor fails, causing the air conditioning to stop working.
    • Solution: Replace the AC compressor.
    • Estimate Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found
• Infotainment System
  • Touchscreen Malfunction
    • Description/Symptoms: The touchscreen on the infotainment system becomes unresponsive or malfunctions.
    • Solution: Replace the infotainment system.
    • Estimate Cost to Fix: $500 - $2,000+
    • Recalls: None Found
• Steering Wheel
  • Paddle Shifter Malfunction
    • Description/Symptoms: The paddle shifters on the steering wheel become unresponsive or malfunction.
    • Solution: Replace the steering wheel.
    • Estimate Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Summary

The 2020 Mercedes-Benz Alliado is a reliable and comfortable SUV, but it has been plagued by several issues. Some of the most common problems include intake manifold runner actuator failure, turbocharger boost pressure sensor, transmission control module failure, lower control arm bushing wear, premature battery failure, wiring harness failure, condensation in headlights, AC compressor failure, touchscreen malfunction, and paddle shifter malfunction. Overall, the severity of the issues ranges from minor inconveniences to major repairs. The cost of the repairs can also be significant, with some estimates ranging from $1,000 to $2,000 or more.