2015 Mercedes-Benz ML350

Introduction

The 2015 Mercedes-Benz ML350 is a mid-size luxury SUV powered by a 3.5-liter V6 engine producing 302 horsepower and 273 lb-ft of torque. It comes standard with a 7-speed automatic transmission and four-wheel drive. The ML350 is known for its comfortable ride, spacious interior, and luxurious features. However, it has received some complaints regarding reliability issues.

Engine 3.5L V6

• Intake manifold leaking coolant
  • Description: The intake manifold can develop a leak, causing coolant to seep out. Symptoms include low coolant levels, overheating, and a sweet smell from the engine compartment.
  • Solution: Replace the intake manifold.
  • Estimated Cost to Fix: $1,000 - $1,500
• Oil leak at oil filter housing
  • Description: The oil filter housing can develop a leak, causing oil to leak out. Symptoms include low oil levels and a burning oil smell.
  • Solution: Replace the oil filter housing.
  • Estimated Cost to Fix: $200 - $400

Transmission 7-Speed Automatic (722.9)

• No issues found

Suspension

• Air suspension failure
  • Description: The air suspension system can fail, causing the vehicle to sag or bounce. Symptoms include uneven ride height, difficulty steering, and poor handling.
  • Solution: Replace the air suspension components or upgrade to a conventional suspension system.
  • Estimated Cost to Fix: $1,500 - $3,000+
• Front suspension control arm failure
  • Description: The front suspension control arms can fail, causing the vehicle to pull to one side or experience uneven tire wear. Symptoms include loose or worn control arms.
  • Solution: Replace the control arms.
  • Estimated Cost to Fix: $500 - $1,000

Electrical

• Battery drain
  • Description: The battery can drain prematurely, leaving the vehicle unable to start. Symptoms include the battery warning light illuminating, difficulty starting the engine, and loss of electrical power.
  • Solution: Test the battery and electrical system for parasitic drain.
  • Estimated Cost to Fix: $100 - $500
• Navigation system malfunction
  • Description: The navigation system can malfunction, causing it to freeze, display incorrect information, or become unresponsive.
  • Solution: Update the navigation system software or replace the navigation unit.
  • Estimated Cost to Fix: $500 - $1,500

Exterior

• Rear liftgate latch failure
  • Description: The rear liftgate latch can fail, causing the liftgate to open unexpectedly. Symptoms include loose or broken latch.
  • Solution: Replace the latch mechanism.
  • Estimated Cost to Fix: $200 - $500
• Sunroof leaking water
  • Description: The sunroof can leak water into the vehicle. Symptoms include water stains on the headliner, wet seats, and a musty odor.
  • Solution: Replace the sunroof seals or adjust the sunroof alignment.
  • Estimated Cost to Fix: $500 - $1,000

Interior

• Panoramic sunroof shade malfunction
  • Description: The panoramic sunroof shade can malfunction, causing it to stick or become difficult to operate. Symptoms include loose or broken shade.
  • Solution: Replace the shade mechanism.
  • Estimated Cost to Fix: $500 - $1,000

Recalls

• NHTSA Campaign Number: 15V549000 - Front passenger airbag non-deployment
• NHTSA Campaign Number: 15V491000 - Power steering failure
• NHTSA Campaign Number: 15V249000 - Rear liftgate latch failure

Summary

The 2015 Mercedes-Benz ML350 has received some complaints regarding reliability issues, particularly with the engine, suspension, and electrical systems. The severity of the issues can range from minor inconveniences to potentially dangerous malfunctions. The cost to fix these issues can be significant, ranging from hundreds to thousands of dollars. Overall, the ML350 is a well-rounded luxury SUV, but potential buyers should be aware of the potential reliability issues before making a purchase.