Oxygen Sensor Replacement Estimate for Mercedes-Benz R320

Mercedes-Benz R320 Oxygen Sensor Replacement costs $291 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$286 to $309
Labor: $70 -$80
Parts: $216 -$229
Average Dealer price
$525 to 551
Average Shop price
$353 to 370
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CarServiceYourMechanic PriceShop/Dealer Price
2007 Mercedes-Benz R320V6-3.0L Turbo DieselService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$303.44Shop/Dealer Price$387.21 - $581.35
2009 Mercedes-Benz R320V6-3.0L Turbo DieselService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$312.92Shop/Dealer Price$399.18 - $600.51
2008 Mercedes-Benz R320V6-3.0L Turbo DieselService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$299.12Shop/Dealer Price$381.86 - $572.79
2009 Mercedes-Benz R320V6-3.0L Turbo DieselService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$312.92Shop/Dealer Price$399.13 - $600.44
2007 Mercedes-Benz R320V6-3.0L Turbo DieselService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$303.44Shop/Dealer Price$387.23 - $581.39
2008 Mercedes-Benz R320V6-3.0L Turbo DieselService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$303.44Shop/Dealer Price$387.20 - $581.34
Show example Mercedes-Benz R320 Oxygen Sensor Replacement prices

Parts required for a Mercedes-Benz R320 Oxygen Sensor Replacement

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218 reviews
Brandon
13 years of experience
Had two appointments with Brandon, initially was little worried about this service, but he was excellent and very professional by work. Recommended service from Yourmechanic, very reasonable prices compared to the regular service providers.
2009 MERCEDES-BENZ SLK300 - BRAKE PADS REPLACEMENT (REAR)
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132 reviews
Rodney
31 years of experience
This was my first time using a at home service for my car , after reading the comments from other customers I decided to give it a try , and oh my gosh I was totally shocked by the professionalism that Rodney provided he showed up early which I was fine with cause I am a tickler for being on time and on time he was , so that was a big check mark , professionally dressed with company logo uniform . Not only did he find out the problem with my car but also did a inspection of the entire car , let me know that my tires were low and recommended that as soon as i get it running go and get them inflated and told me what pressure for front and the rear . So yes I was very happy with Rodney and the service he provided and the overall attention of the company putting customers first . Looking forward to seeing Rodney next week for the repairs .
2005 MERCEDES-BENZ ML350 - CHECK ENGINE LIGHT IS ON INSPECTION
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87 reviews
Manuel
27 years of experience
great idea, great process, you are fine you have a great service
2010 MERCEDES-BENZ GLK350 - OIL CHANGE
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49 reviews
Andrew
6 years of experience
Great attitude, superb knowledge. I will not have slightest hesitation to book him again if required for my car. Thank you very much for all your work in extreme weather.
2003 MERCEDES-BENZ C240 - ALTERNATOR REPAIR
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All about Oxygen Sensor Replacement

With each new model year, manufacturers are adding more oxygen sensors to better manage engine operation. Some high performance engines have an oxygen sensor for each cylinder as well as one for the rear of each catalytic convertor. The sensors are located either underneath the hood or underneath the car. The oxygen sensors are connected (screwed) to the exhaust pipe, either in front or back of the catalytic converter. The front (upstream) sensors measure the amount of oxygen in the exhaust system. The purpose of the front oxygen sensor(s) is to measure how rich or lean the gases are as the gases exit the combustion chamber. Depending upon whether the exhaust gas is lean (high in oxygen content) or rich (low in oxygen content), the amount of fuel entering the engine is adjusted by the engine management computer to try and maintain an ideal mixture that produces the lowest emissions output from the catalytic convertor. Rear (downstream) sensors are located behind the catalytic converter. The purpose of the rear oxygen sensor(s) is to monitor the oxygen content of the exhaust gases leaving the catalytic convertor. If one or more of the oxygen sensors are faulty, your car may not pass the emissions test. If you drive your car with a faulty oxygen sensor, you may get poor gas mileage and it can damage the catalytic converter.

Oxygen Sensor Replacement Estimates for Popular Mercedes-Benz Models