2011 Mercedes-benz Ml320 problems

Common 2011 Mercedes-benz Ml320 problems

The Mercedes-Benz ML320, produced between 2005 and 2011, is known for its luxurious design and powerful performance. However, like any vehicle, it is not without its common problems. This article will discuss the most frequently reported issues by ML320 owners, focusing on the OM642 engine and other components.

OM642 Engine Problems

The OM642 engine, used in both the 280 CDI and 320 CDI versions of the ML, is prone to several issues. These problems are not exclusive to the ML320, as the OM642 engine is also used in other Mercedes-Benz models from the same period.

• Positive Crankcase Ventilation (PCV) Problems: The PCV system is responsible for recirculating gases from the crankcase back into the engine. Faulty PCV systems can lead to increased oil consumption and reduced engine performance.

• Fuel Injector Issues: The OM642 engine's fuel injectors can suffer from various problems, including clogging and leaking. These issues can result in reduced engine performance, increased fuel consumption, and potential engine damage.

• Turbo Inlet Seal Leaks: Turbo inlet seal leaks can cause a loss of engine power and increased emissions. This issue is often accompanied by a hissing or whistling noise from the engine bay.

• Timing Chain and Tensioner Problems: The timing chain and tensioner system in the OM642 engine can fail prematurely, leading to engine misfires, reduced performance, and potential engine damage. This issue is often indicated by a rattling noise from the engine.

• Turbo Actuator Problems: Turbo actuator issues can result in reduced engine performance and increased emissions. This problem is often indicated by a decrease in acceleration and a check engine light.

• Swirl Flap Motor Problems: The swirl flap motor, which helps regulate the air-fuel mixture in the engine, can fail. This issue can lead to reduced engine performance, increased emissions, and potential engine damage.

• Engine Carbon Deposit Problems: The OM642 engine is prone to carbon buildup on the intake valves, which can lead to reduced engine performance and increased emissions. This issue is often indicated by a rough idle and decreased fuel efficiency.

• Engine Oil Level Rising (Fuel Dilution) Problems: Fuel dilution in the engine oil can occur due to various issues, including faulty fuel injectors and PCV systems. This problem can lead to reduced engine performance and potential engine damage.

Airmatic Air Suspension Problems

The ML320's Airmatic air suspension system is also known for its issues. These problems can result in a decrease in ride quality, reduced stability, and potential failure of the suspension system.

• Air Suspension Compressor Failure: The air suspension compressor, which is responsible for maintaining the correct ride height, can fail. This issue can lead to a decrease in ride quality and reduced stability.

• Air Spring Failure: The air springs, which support the vehicle's weight, can fail. This issue can result in a decrease in ride quality and reduced stability.

• Air Strut Failure: The air struts, which connect the air springs to the vehicle, can fail. This issue can lead to a decrease in ride quality and reduced stability.

• Air Line Leaks: Air line leaks can cause a loss of air pressure in the suspension system, leading to a decrease in ride quality and reduced stability.

Additional Common Problems

In addition to the OM642 engine and Airmatic air suspension issues, the ML320 is known for several other common problems.

• 7G 722.9 Automatic Transmission Problems: The 7G 722.9 automatic transmission, used in the ML320, can suffer from various issues, including gear selector and conductor plate problems. These issues can lead to reduced transmission performance and potential transmission failure.

• 4Matic Part-Time 4WD Problems: The 4Matic part-time 4WD system, used in the ML320, can suffer from various issues, including reduced traction and potential 4WD failure.

• Body Rust Problems: The ML320 is prone to body rust, particularly in areas such as the rocker panels and wheel arches. This issue can lead to reduced vehicle appearance and potential structural damage.

• Steering Wheel Clunking and Button Problems: The ML320's steering wheel can develop clunking noises and button issues. These problems can lead to reduced steering feel and potential steering system failure.

• Interior Problems: The ML320's interior can suffer from various issues, including electrical problems, seat comfort problems, and panel fit and finish problems.

In conclusion, the Mercedes-Benz ML320, while known for its luxurious design and powerful performance, is not without its common problems. The OM642 engine and Airmatic air suspension system are particularly prone to issues, which can lead to reduced vehicle performance and potential engine or suspension failure. Additionally, the ML320 can suffer from various other common problems, including transmission issues, 4WD problems, body rust, steering wheel problems, and interior issues. Prospective ML320 owners should be aware of these common problems and consider them when purchasing and maintaining this vehicle.

What is the life expectancy of a Mercedes ML320?

about 300,000-500,000 miles

Generally, you can expect to get about 300,000-500,000 miles out of a care if you perform all scheduled maintenance at proper intervals and make sure that any work you don't do yourself is done by a very good mechanic.

What are the common problems with Mercedes ML320 w164?

The most common customer complaint is a loss of shift quality or the transmission remains in gear. Most of these problems are related to the solenoids and the electrical connections from the vehicle to the transmission control module, and connections to the shift solenoids on the conductor plate.

Is Mercedes-Benz ML reliable?

Enginepatrol.com also indicates that the Mercedes-Benz M-Class vehicles are generally reliable, particularly the newer vehicles. For example, the Mercedes ML350 has high-reliability ratings, usually four out of five or higher (or equivalent).

What is a common Mercedes problem?

Engine misfires are one of the most common problems we see in Mercedes-Benz vehicles.

What is the life expectancy of a Mercedes ML320?

about 300,000-500,000 miles

Generally, you can expect to get about 300,000-500,000 miles out of a care if you perform all scheduled maintenance at proper intervals and make sure that any work you don't do yourself is done by a very good mechanic.

What are the common problems with Mercedes ML320 w164?

The most common customer complaint is a loss of shift quality or the transmission remains in gear. Most of these problems are related to the solenoids and the electrical connections from the vehicle to the transmission control module, and connections to the shift solenoids on the conductor plate.

Is Mercedes-Benz ML reliable?

Enginepatrol.com also indicates that the Mercedes-Benz M-Class vehicles are generally reliable, particularly the newer vehicles. For example, the Mercedes ML350 has high-reliability ratings, usually four out of five or higher (or equivalent).

What is the fuel consumption of ML320 petrol?

Mercedes-Benz ML320 2000 Fuel consumption

Mercedes-Benz ML 320 Model	Body Type	Fuel Consumption
ML320 (4X4)	SUV	13L/100km
ML320 Luxury (4X4)	SUV	13L/100km
ML320 Luxury (4X4)	SUV	13L/100km