2011 Mercedes-Benz G500

The 2011 Mercedes-Benz G500 is a rugged and luxurious SUV known for its off-road capabilities and distinctive boxy design. The G500 for this year is equipped with a 5.5-liter V8 engine producing 382 horsepower and 391 lb-ft of torque, paired with a 7-speed automatic transmission (7G-TRONIC). The G-Wagon’s charm lies in its blend of old-school design with modern amenities, and its go-anywhere attitude. Common praises include its robust build quality, exceptional off-road performance, and iconic styling. Criticisms often center around its fuel economy, somewhat outdated technology, and relatively high price point.

Engine

5.5L V8 Engine

• Camshaft Adjuster Solenoid Failure
  • Description/Symptoms: The engine may experience rough idling, reduced power, and the check engine light may illuminate with codes related to camshaft position.
  • Solution: Replacement of the faulty camshaft adjuster solenoid.
  • Estimated Cost to Fix: $300 - $700+
  • Recalls: None Found
• Oil Leaks (Valve Cover Gaskets)
  • Description/Symptoms: Oil leaking onto the exhaust manifold, causing a burning smell. Oil may also be visible around the valve covers.
  • Solution: Replacement of the valve cover gaskets.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found

Transmission

7G-TRONIC 7-Speed Automatic

• Torque Converter Failure
  • Description/Symptoms: Shuddering during acceleration, especially at lower speeds. May also experience difficulty shifting gears.
  • Solution: Replacement of the torque converter.
  • Estimated Cost to Fix: $1500 - $3500+
  • Recalls: None Found
• Valve Body Issues
  • Description/Symptoms: Harsh or erratic shifting, delayed engagement, or slipping between gears.
  • Solution: Replacement or rebuild of the valve body.
  • Estimated Cost to Fix: $800 - $2000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: The vehicle may sit lower than normal, especially on one side. The air suspension warning light may illuminate. The compressor may be noisy or not function at all.
  • Solution: Replacement of the air suspension compressor.
  • Estimated Cost to Fix: $800 - $1800+
  • Recalls: None Found
• Air Strut Leaks
  • Description/Symptoms: Similar to compressor failure, the vehicle may sit lower than normal, and you may hear a hissing sound from the leaking strut.
  • Solution: Replacement of the leaking air strut(s).
  • Estimated Cost to Fix: $1000 - $2500+ per strut
  • Recalls: None Found

Electrical

• Heater Blower Motor Resistor Failure
  • Description/Symptoms: The heater blower may only work on certain settings, or not at all.
  • Solution: Replacement of the blower motor resistor.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: The battery drains quickly, especially when the vehicle is not in use.
  • Solution: This can be caused by a variety of issues, including a faulty alternator, parasitic draw, or a bad battery. Diagnosis is required to pinpoint the cause.
  • Estimated Cost to Fix: Varies greatly depending on the cause.
  • Recalls: None Found

Exterior

• Rust
  • Description/Symptoms: Rust forming around door seals, hood, hatch, and around trim pieces.
  • Solution: Treatment and repair or panel replacement.
  • Estimated Cost to Fix: Varies greatly depending on the extent of the rust.
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof may not open or close properly, or may make excessive noise when operating.
  • Solution: Lubrication, repair, or replacement of the sunroof motor or associated components.
  • Estimated Cost to Fix: $300 - $1000+
  • Recalls: None Found
• Navigation/Infotainment System Malfunctions
  • Description/Symptoms: System freezes, glitches, or fails to boot up.
  • Solution: Software update, or replacement of the head unit.
  • Estimated Cost to Fix: $200 - $1500+
  • Recalls: None Found

Summary

The 2011 Mercedes-Benz G500, while a capable and desirable vehicle, is known to have some common issues. Engine and transmission issues, especially with the torque converter and camshaft adjusters, can be costly to address. Air suspension problems are also prevalent and can result in significant repair bills. Electrical gremlins and interior component failures add to the list of potential concerns. Addressing these common issues can be moderately to very expensive, so a thorough pre-purchase inspection is crucial.