Mercedes Mullins
The Mercedes-Benz ML350 Bluetec is a diesel SUV that offers good fuel economy. The 2012 model has an estimated fuel economy of 27 mpg on the highway, although some users have reported achieving a lower fuel economy of 26 mpg. The 2013 model has a reported fuel economy of 22.4 mpg, while the 2014 model has a reported fuel economy of 18.1 mpg. The ML350 Bluetec also has a large fuel tank capacity, with a range of over 380 miles on a single tank. The AdBlue tank, which contains diesel exhaust fluid, is located in the trunk and requires refilling approximately every 10,000 miles. Now, how large is the large fuel tank?
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What You'll Learn
The AdBlue tank takes up space, so Bluetec models don't have a spare tire
The Mercedes-Benz ML350 Bluetec is a diesel SUV that offers great range with its large fuel tank. However, the AdBlue tank takes up space, which means Bluetec models don't have a spare tire. AdBlue is a diesel exhaust fluid that must be added to a separate tank in the trunk about every 10,000 miles. The AdBlue tank is located where the spare tire would typically be, and as a result, Bluetec models only come with run-flat tires.
Run-flat tires are designed to be used temporarily after a puncture, allowing you to drive to a safe place without needing a spare tire. While run-flat tires offer convenience and safety benefits, some people find them uncomfortable due to their harsh ride. Additionally, run-flat tires cannot be repaired and must be replaced if they fail, which can be costly.
Mercedes-Benz dealers are not always easily accessible, and some owners have expressed frustration at not being able to find a replacement tire when needed. This can lead to inconvenient situations, such as having to stop every 30 minutes to refill a run-flat tire with air or being forced to spend the night in a hotel due to a tire issue.
To address these concerns, some owners have opted to replace the run-flat tires with conventional tires and carry a spare. This requires creative solutions, such as using a roof rack or heavy-duty bag to store the spare tire. Others have explored the possibility of retrofitting the AdBlue tank to make space for a spare tire, but this may be a complex process involving moving the tank and associated electronics.
While the absence of a spare tire in Bluetec models is a trade-off for the AdBlue tank, it's important to note that the ML350 Bluetec offers a comfortable ride and excellent fuel economy, making it a popular choice for long-distance trips.
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The fuel economy is 26 mpg, less than the estimated 27 mpg
The 2012 Mercedes-Benz ML350 Bluetec is a diesel SUV that offers good fuel economy. While the EPA estimates the vehicle's fuel economy to be 27 mpg on the highway, real-world driving tests have shown that the car can achieve 26 mpg. This small difference in fuel economy can be attributed to various factors, including driving style, road conditions, and vehicle maintenance.
During a road trip from San Francisco to Los Angeles, the Mercedes-Benz ML350 Bluetec demonstrated its fuel efficiency. The car travelled the 380-mile distance without any issues, only displaying the fuel light after halfway through the return trip. While the car fell short of its estimated fuel economy, it still performed admirably, providing a stress-free driving experience.
The ML350 Bluetec is designed to provide efficient and economical performance. However, some owners have reported higher fuel consumption than expected. In one instance, an owner experienced a 25% decrease in fuel economy due to contaminated fuel. This issue was resolved by using a fuel system and injector cleaner, returning the car to its normal fuel economy.
It is important to note that fuel economy can be influenced by various factors. Driving habits, such as aggressive acceleration or high cruising speeds, can impact mileage. Additionally, environmental factors like road conditions, weather, and terrain can also affect fuel efficiency. Proper vehicle maintenance, including regular oil changes and fuel injector inspections, can help optimize fuel economy.
The Mercedes-Benz ML350 Bluetec is designed to provide a balance between performance and fuel efficiency. While the EPA estimate of 27 mpg serves as a guideline, real-world factors can impact the actual mileage achieved. By understanding the variables that affect fuel economy, owners can take steps to optimize their vehicle's performance and efficiency.
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The car can go 50 miles after the 'fill the tank' message
The 2012 Mercedes-Benz ML350 Bluetec is a diesel SUV with a large fuel tank capacity of around 7 gallons. While the EPA estimates the vehicle's fuel economy to be 27 mpg on the highway, it is common to achieve a higher range in real-world driving.
In one instance, the car was driven from San Francisco to Los Angeles, a distance of about 380 miles, before the fuel light came on. Even after the "fill the tank" message appeared, the car was estimated to still be able to go about 50 miles.
However, it is important to note that fuel consumption can vary depending on various factors such as driving conditions, speed, and the quality of fuel used. For example, on a road trip to Montreal, the car's average fuel economy dropped from the usual 10.5L to 12.8L due to the use of bad gas, resulting in higher fuel consumption.
To ensure optimal fuel efficiency and engine performance, it is recommended to use recommended fuel types and regular maintenance, including changing the oil every 10,000 miles and servicing the transmission as needed. Additionally, the AdBlue diesel exhaust fluid should be topped up about every 10,000 miles to ensure the proper functioning of the vehicle.
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Bad gas can cause higher fuel consumption
The Mercedes ML350 BlueTec is a diesel SUV that offers good fuel economy. However, some users have reported higher fuel consumption than expected. One user who took their ML350 BlueTec on a road trip from Toronto to Montreal (525km) experienced higher fuel consumption after pumping some bad 91-octane gas at a Shell station. As a result, their fuel economy dropped from the usual 10.5L to 12.8L, and they had to stop before reaching their destination to refuel.
There are several factors that can contribute to higher fuel consumption, and it is important to identify and address these issues to optimise fuel efficiency and avoid excessive fuel costs. One key factor is the quality of fuel used. Using lower-quality or dirty fuel can lead to increased fuel consumption as the engine struggles to maintain optimal performance. In addition, issues with fuel injectors, such as leaks or internal damage resulting in bad spray patterns, can cause a reduction in fuel efficiency as less fuel reaches the engine.
Another factor that can impact fuel consumption is the condition of the engine air filters. Old or dirty air filters can restrict airflow to the engine, causing it to burn more fuel to maintain the same level of performance. Similarly, clogged fuel filters can lower fuel pressure, leading to inefficient engine operation. Oxygen sensors also play a crucial role in maintaining the proper air-fuel mixture, and faulty sensors can lead to an imbalance, resulting in decreased fuel efficiency.
To maintain optimal fuel efficiency in the ML350 BlueTec, it is recommended to use high-quality fuel and regularly inspect and replace the air filters, fuel filters, and oxygen sensors as necessary. Additionally, ensuring proper tyre pressure is crucial, as underinflated tyres can increase rolling resistance, reducing fuel economy. By addressing these factors, owners of the ML350 BlueTec can help minimise the risk of higher fuel consumption and maximise their vehicle's performance and efficiency.
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Fuel injectors may be the cause of high consumption
The 2012 Mercedes-Benz ML350 Bluetec is a diesel SUV that offers an estimated 27 mpg on the highway. However, some users have reported higher-than-expected fuel consumption with this vehicle.
One possible explanation for high fuel consumption in the ML350 Bluetec could be related to the fuel injectors. Fuel injectors play a crucial role in supplying the correct amount of fuel to the engine, and any malfunction or blockage in the injectors can lead to increased fuel consumption. Deposits can build up on the fuel injectors over time, causing an imbalance in their performance and affecting fuel efficiency.
In some cases, issues with fuel injectors may manifest as rough idling, loss of power, or engine misfires. Additionally, external leaks from faulty injectors can pose a fire hazard and should be addressed promptly. To maintain optimal performance and fuel efficiency, it is recommended to use high-quality (Tier One) gasoline, which can help reduce deposits on the fuel injectors and prolong their lifespan.
If you suspect that your ML350 Bluetec's fuel injectors may be contributing to high fuel consumption, it is advisable to have them inspected and serviced by a qualified mechanic. They can perform a thorough diagnosis, including checking the Mass Airflow Sensors, to ensure accurate fuel injection and improve fuel economy.
It is worth noting that other factors, such as the quality of fuel used and variations in driving conditions, can also influence fuel consumption. Ensuring that you use the recommended type of fuel and maintaining regular vehicle maintenance can help optimize fuel efficiency in your ML350 Bluetec.
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