Oxygen Sensor Replacement Estimate for Mercedes-Benz S320

Mercedes-Benz S320 Oxygen Sensor Replacement costs $229 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$195 to $271
Labor: $70 -$80
Parts: $125 -$191
Average Dealer price
$342 to 475
Average Shop price
$239 to 322
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CarServiceYourMechanic PriceShop/Dealer Price
1995 Mercedes-Benz S320L6-3.2LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$276.64Shop/Dealer Price$353.71 - $527.76
1998 Mercedes-Benz S320L6-3.2LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$212.66Shop/Dealer Price$273.86 - $400.00
1996 Mercedes-Benz S320L6-3.2LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$202.24Shop/Dealer Price$260.76 - $379.03
1995 Mercedes-Benz S320L6-3.2LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$263.02Shop/Dealer Price$336.76 - $500.64
1994 Mercedes-Benz S320L6-3.2LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$276.64Shop/Dealer Price$353.73 - $527.79
1999 Mercedes-Benz S320L6-3.2LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$215.35Shop/Dealer Price$277.09 - $405.16
1997 Mercedes-Benz S320L6-3.2LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$216.02Shop/Dealer Price$278.09 - $406.78
1997 Mercedes-Benz S320L6-3.2LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$229.14Shop/Dealer Price$294.45 - $432.95
Show example Mercedes-Benz S320 Oxygen Sensor Replacement prices

Parts required for a Mercedes-Benz S320 Oxygen Sensor Replacement

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145 reviews
James
26 years of experience
He came prepared and came early. Did a lot of tests and discovered that I needed a fuel pump along with some other repairs.
2003 MERCEDES-BENZ C32 AMG - CAR IS NOT STARTING INSPECTION
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111 reviews
Christopher
22 years of experience
Awesome experience!! Chris was great!! I was extremely satisfied with his service. I would recommend him to family and friends. Besides delivering a new battery and installing it, He checked all the fluid levels, checked the tire pressure and made sure all the the malfunction lights went away. He was very professional, knowledgable and friendly.The final bill was less than I was quoted, because he gave me a $20.00 discount.I asked for his card so that I could request him if I need YourMechanic services again. Love this company!!!
2002 MERCEDES-BENZ CLK320 - BATTERY REPLACEMENT
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Shaun
11 years of experience
Shaun is trustworthy I got a referral from my daughter, has done an oil changed for her Mecedez also. I would recommend him to my close family and friends for sure. Thanks Shaun keep up the great of work! Jennyffer
2006 MERCEDES-BENZ R350 - OIL CHANGE
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59 reviews
Steven
16 years of experience
Arrived on time; very well trained; excellent job; cleaned up the area; and super fast. Would recommend this service to anyone.
2009 MERCEDES-BENZ E350 - SPARK PLUG REPLACEMENT
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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