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Mercedes-Benz E430 Oxygen Sensor Replacement

As is always the case, the cost of the repair depends on the make, model, and year of your car.

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$90.58 $1010.5
Average Shop Price $428
RepairSmith Price $243
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This range covers an average oxygen sensor replacement. Tell us your car to get a guaranteed price from RepairSmith.

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Mercedes-Benz E430 Oxygen Sensor Replacement

RepairSmith offers upfront and competitive pricing. The average cost for Mercedes-Benz E430 Oxygen Sensor Replacement is $258. Drop it off at our shop and pick it up a few hours later, or save time and have our Delivery mechanics come to you.

Car
Location
Quoted on
Price
2000 Mercedes-Benz E430
4.3L V8 Base • 277,000 miles
Berkeley CA 94704
Nov 23, 2020
$201 - $245
2002 Mercedes-Benz E430
4.3L V8 4Matic • 45,000 miles
Torrance CA 90508
Nov 11, 2020
$279 - $341
2001 Mercedes-Benz E430
4.3L V8 Base • 171,000 miles
Penryn CA 95663
Nov 10, 2020
$266 - $325
2000 Mercedes-Benz E430
4.3L V8 4Matic • 226,000 miles
Lynwood CA 90262
Oct 29, 2020
$270 - $330
2002 Mercedes-Benz E430
4.3L V8 Base • 65,000 miles
San Joaquin CA 93660
Oct 22, 2020
$179 - $219
2000 Mercedes-Benz E430
4.3L V8 Base • 21,000 miles
La Quinta CA 92253
Oct 19, 2020
$180 - $220
2001 Mercedes-Benz E430
4.3L V8 Base • 179,000 miles
Lancaster CA 93534
Oct 16, 2020
$212 - $260
2001 Mercedes-Benz E430
4.3L V8 4Matic • 204,000 miles
Sacramento CA 95838
Oct 6, 2020
$195 - $239
1999 Mercedes-Benz E430
4.3L V8 Base • 151,000 miles
San Diego CA 92126
Sep 19, 2020
$242 - $296
2001 Mercedes-Benz E430
4.3L V8 • 195,000 miles
San Jose CA 95110
Jul 22, 2020
$297 - $363
Last Updated:
Dec 17, 2020 6:25 PM
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What is an Oxygen Sensor?

Would you be shocked if I said it’s a sensor to measure oxygen? Okay, but it’s a bit more than that. Cars have both upstream and downstream sensors (also known as O2 sensors). Upstream oxygen sensors are placed in front of the catalytic converter, and measure the amount of oxygen in the exhaust. The car’s computer then uses that data to determine the proper air to fuel ratio.  Downstream oxygen sensors are located behind the catalytic converter, and measure the efficiency of the converter.

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Signs of a faulty Oxygen Sensor

Poor performance

No one likes poor performance. That includes you, and it certainly includes your car. Faulty O2 sensors will feed misinformation to your car’s computer. The computer will then alter the engine in a way that leads to less power, some hesitation and jerkiness, and running rough. Which means you’ll be embarrassed the next time you try to show off at a green light.

Check engine light

Oh, the check engine warning light. That light that you pretend isn’t there when it lights up. How has that worked out for you? Try as you might, ignoring a check engine light won’t make it go away. And oxygen sensor failure is a common cause of the light illuminating.

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How urgent is an Oxygen Sensor replacement?

You’re not really in any danger driving around with a busted O2 sensor. Your car will still be safe to drive. But the performance won’t be ideal, and you may fail an emissions test. You don’t need to drop everything and run straight to a repair, but get around to it when you can.

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