As part of your exhaust system, the Mercedes ML320 oxygen sensor can help reduce your level of emissions and can help increase fuel economy by as much as 10 to 15 percent. An oxygen sensor is a small electronic device that measures the amount of oxygen that is in your fuel. Some oxygen is good, but too little or too much is bad news.

If your engine is hesitating or surging, it would be a good idea to check your Mercedes ML320 oxygen sensor. The oxygen level readings are fed to the computerized Electronic Control Unit (ECU) which in turn alters the fuel that is in the combustion chamber.

Depending on the year that your particular automobile was made determines how frequently the oxygen sensor should be replaced. For those that have an unheated sensor in a vehicle made between 1976 and the early 1990s, it should be replaced every 30,000 to 50,000 miles. For vehicles with a heated sensor made between the mid 1980s and the mid 1990s, change it every 60,000 miles. For heated sensor vehicles made after the mid 1990s, replace it every 100,000 miles. Since unstable fuel can cause problems in your catalytic converter, it can save you money in the long run to take care of the Mercedes ML320 oxygen sensor as soon as it is necessary. Let us help. We offer 24 hours a day 7 days a week availability at our website or our toll-free telephone number.You can rest assured that when you order at our website, your credit card information is kept safe because we use SSL technology.