2011 Mercedes-Benz Alliado

Introduction

The 2011 Mercedes-Benz Allianzo is a mid-size sedan that was offered with a range of engine and transmission options. The 2.2L turbodiesel engine produced 177 horsepower and 340 lb-ft of torque, while the 3.0L V6 engine produced 292 horsepower and 295 lb-ft of torque. The 2.2L engine was paired with a 7-speed automatic transmission, while the 3.0L engine was paired with a 5-speed automatic transmission.

Owners of the Mercedes-Benz Allianzo generally praise the vehicle for its luxurious interior, comfortable ride, and powerful engines. However, the vehicle has also been plagued by a number of issues.

Engine

• 2.2L Turbodiesel Engine
  • EGR Valve Failure
    • Description/Symptoms: The EGR valve fails, causing the engine to run rough, stall, and produce excessive emissions.
    • Solution: Replace the EGR valve.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: NHTSA Recall Number 15V-583
  • Turbocharger Failure
    • Description/Symptoms: The turbocharger fails, causing the engine to lose power and produce excessive smoke.
    • Solution: Replace the turbocharger.
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found
• 3.0L V6 Engine
  • Timing Chain Failure
    • Description/Symptoms: The timing chain fails, causing the engine to make a rattling noise and eventually seize up.
    • Solution: Replace the timing chain.
    • Estimated Cost to Fix: $2,500 - $4,000+
    • Recalls: None Found

Transmission

• 7-Speed Automatic Transmission
  • Shifting Problems
    • Description/Symptoms: The transmission shifts gears harshly or hesitates to shift.
    • Solution: Replace the transmission fluid and filter. In some cases, the transmission may need to be replaced.
    • Estimated Cost to Fix: $1,000 - $3,000+
    • Recalls: NHTSA Recall Number 15V-583
• 5-Speed Automatic Transmission
  • Transmission Slipping
    • Description/Symptoms: The transmission slips gears when shifting, causing the vehicle to lose power.
    • Solution: Replace the transmission fluid and filter. In some cases, the transmission may need to be replaced.
    • Estimated Cost to Fix: $1,500 - $4,000+
    • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Battery Drain
  • Description/Symptoms: The battery drains quickly, even when the vehicle is not in use.
  • Solution: Replace the battery. In some cases, the alternator may also need to be replaced.
    • Estimated Cost to Fix: $200 - $1,000+
    • Recalls: None Found
• Electrical System Malfunction
  • Description/Symptoms: The electrical system malfunctions, causing the vehicle to experience a variety of problems, such as flickering lights, power window failure, and engine stalling.
  • Solution: Diagnose and repair the electrical system.
    • Estimated Cost to Fix: $500 - $2,000+
    • Recalls: None Found

Exterior

• No Issues Found

Interior

• Climate Control Failure
  • Description/Symptoms: The climate control system fails, causing the vehicle to overheat or freeze up.
  • Solution: Replace the climate control module.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found
• Power Seat Failure
  • Description/Symptoms: The power seat fails to move or adjust.
  • Solution: Replace the power seat motor or switch.
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: None Found

Summary

The Mercedes-Benz Allianzo is a luxurious and comfortable vehicle, but it has been plagued by a number of reliability issues. The most severe and expensive issue is the timing chain failure on the 3.0L V6 engine, which can cost over $4,000 to repair. The 7-speed automatic transmission is also known to have problems, including shifting issues and transmission slippage. Other common issues include EGR valve failure, turbocharger failure, battery drain, and electrical system malfunctions. Overall, the Mercedes-Benz Allianzo is not a reliable vehicle and should be avoided by potential buyers.