2009 Mercedes-Benz GL500

Introduction

The 2009 Mercedes-Benz GL500 is a luxurious full-size SUV that offers a combination of performance, comfort, and utility. It is powered by a naturally aspirated 5.5-liter V8 engine that produces 382 horsepower and 391 pound-feet of torque, paired with a 7-speed automatic transmission. The GL500 is praised for its spacious cabin, impressive towing capacity, andrefined ride quality. However, it has also been known to have some issues, as detailed below.

Engine

• Engine V8:
  • Valve Stem Seal Failure: Leaking valve stem seals can cause oil consumption, smoking from the tailpipe, and decreased engine performance. Replacing the seals is the solution. Estimated Cost to Fix: $1,000 - $2,000+
  • Intake Manifold Failure: A faulty intake manifold can lead to performance issues, including rough idling, reduced power, and increased fuel consumption. Replacement of the manifold is required. Estimated Cost to Fix: $800 - $1,500+
  • Timing Chain Tensioner Failure: A stretched timing chain tensioner can cause rattling noises from the engine, reduced power, and potential engine damage. Replacing the tensioner is the solution. Estimated Cost to Fix: $600 - $1,200+

Transmission

• 7-Speed Automatic Transmission:
  • Torque Converter Lockup Clutch Failure: The lockup clutch may fail, resulting in shuddering or slipping during gear changes. Replacing the torque converter is necessary. Estimated Cost to Fix: $2,000 - $3,000+

Suspension

• Air Suspension:
  • Air Compressor Failure: The air compressor may fail, leading to a loss of air pressure and a lowered suspension. Replacing the compressor is the solution. Estimated Cost to Fix: $1,500 - $2,500+
  • Air Spring Leaks: Air springs can develop leaks, causing the suspension to sag and affect the vehicle’s stability. Replacing the air springs is required. Estimated Cost to Fix: $800 - $1,200+ per air spring

Electrical

• Battery Discharge: The battery may discharge prematurely due to parasitic drain from electrical components. Identifying and fixing the source of the drain is the solution. Estimated Cost to Fix: Varies depending on the issue
• Alternator Failure: A faulty alternator may fail to charge the battery, leading to electrical problems. Replacing the alternator is necessary. Estimated Cost to Fix: $600 - $1,000+

Exterior

• Sunroof Drain Plugs Clogging: Clogged sunroof drain plugs can lead to water damage inside the cabin. Cleaning or replacing the drain plugs is the solution. Estimated Cost to Fix: $200 - $500+

Interior

• Command Center System Issues: The Command Center infotainment system may experience software glitches, navigation errors, or Bluetooth connectivity issues. Updating the software or replacing specific modules may resolve the problems. Estimated Cost to Fix: $300 - $1,000+
• Climate Control Malfunction: The climate control system may fail to adjust temperature or airflow, requiring repairs or replacement of components. Estimated Cost to Fix: $500 - $1,500+
• Steering Wheel Buttons Sticking: The steering wheel buttons may become stuck or unresponsive, affecting the operation of various functions. Replacing the buttons or steering wheel control module is the solution. Estimated Cost to Fix: $200 - $600+

Recalls

• NHTSA Campaign Number: 14V617000, 14V617000: Airbag Inflator Rupture Risk
• NHTSA Campaign Number: 16V600000, 16V600000: Front Passenger Airbag Non-Deployment Risk
• NHTSA Campaign Number: 17V225000, 17V225000: Hood Latch May Not Engage Properly

Summary

Overall, the 2009 Mercedes-Benz GL500 is a capable and luxurious SUV, but it has been known to experience certain issues. Some of these issues, such as engine valve stem seal failure and suspension air leaks, can be expensive to fix. However, other problems, like sunroof drain plug clogging or infotainment system glitches, are less severe and have lower repair costs. It is important for potential buyers to be aware of these potential issues and factor them into their decision-making process.