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Oxygen Sensor for Mercedes E420

Your Mercedes sedan is a finely crafted machine. By keeping your Mercedes E420 oxygen sensor in optimal condition, you can help your vehicle stay that way. A poor sensor can cause surging or hesitating because there is nothing that regulates the amount of oxygen that is in the fuel system.


Too rich of a fuel causes problems, but too poor of a fuel is equally bad for your engine. Unstable fuel can not only cause fuel economy problems, but also can damage the catalytic converter.


When the Mercedes E420 oxygen takes a reading it sends it to the Electronic Control Unit (ECU) which in turn adjusts oxygen levels to control the efficiency of the combustion engine. 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. It is entirely possible to increase your fuel economy by 10 to 15 percent. When you keep your Mercedes E420 oxygen sensor in fabulous condition, you are taking the necessary measures to take care of your sleek and stylish machine. Both your engine’s power and your fuel economy will benefit. Don’t forge that we offer free shipping for any order that equals over $50.We also offer a quality guarantee on all our parts.

 
 Part Name Mercedes Benz E420 Oxygen Sensor Click Image to Enlarge
Oxygen Sensor
Part #USOS-4000
 Brand Replacement
 Fits 1997 Mercedes Benz E420
 Year 1997
 Description "UNIVERSAL OXYGEN SENSOR -- 4 Wires, Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Oxygen Sensors. This May Require Modification Or Other Adjustments To Your Vehicle Upon Installation, Direct Fit Part "
 Your Price $33.48
 Quantity
Mercedes Benz E420 Oxygen Sensor also fits these models:
  • 1997::8Cyl 4.2L Base

 
 Part Name Mercedes Benz E420 Oxygen Sensor Click Image to Enlarge
Oxygen Sensor
Part #USOS-3000
 Brand Replacement
 Fits 1997 Mercedes Benz E420
 Year 1997
 Description "UNIVERSAL OXYGEN SENSOR -- 3 Wires, Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Oxygen Sensors. This May Require Modification Or Other Adjustments To Your Vehicle Upon Installation, Direct Fit Part "
 Your Price $32.33
 Quantity
Mercedes Benz E420 Oxygen Sensor also fits these models:
  • 1997::8Cyl 4.2L Base

 
 Part Name Mercedes Benz E420 Oxygen Sensor Click Image to Enlarge
Oxygen Sensor
Part #USOS-1000
 Brand Replacement
 Fits 1997 Mercedes Benz E420
 Year 1997
 Description "UNIVERSAL OXYGEN SENSOR -- 1 Wire, Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Oxygen Sensors. This May Require Modification Or Other Adjustments To Your Vehicle Upon Installation, Direct Fit Part "
 Your Price $18.02
 Quantity
Mercedes Benz E420 Oxygen Sensor also fits these models:
  • 1997::8Cyl 4.2L Base

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