Mercedes-Benz C320 Mass Airflow Sensor Replacement at your home or office.

Our mobile mechanics offer services 7 days a week. Upfront and transparent pricing.

Estimate price near me

Service Location

Customer Ratings

(60)

Included for free with this service

Online Booking

Mechanic comes to you

12-month / 12k-mile warranty

Free 50 point safety inspection

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

Customer Ratings

(60)

Mass Airflow Sensor Replacement Service

How much does a Mass Airflow Sensor Replacement cost?

On average, the cost for a Mercedes-Benz C320 Mass Airflow Sensor Replacement is $345 with $240 for parts and $104 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2001 Mercedes-Benz C320V6-3.2LService typeMass Airflow Sensor ReplacementEstimate$607.09Shop/Dealer Price$746.49 - $1121.38
2004 Mercedes-Benz C320V6-3.2LService typeMass Airflow Sensor ReplacementEstimate$585.09Shop/Dealer Price$724.53 - $1099.44
2005 Mercedes-Benz C320V6-3.2LService typeMass Airflow Sensor ReplacementEstimate$585.09Shop/Dealer Price$724.52 - $1099.44
2003 Mercedes-Benz C320V6-3.2LService typeMass Airflow Sensor ReplacementEstimate$585.09Shop/Dealer Price$724.48 - $1099.36
2002 Mercedes-Benz C320V6-3.2LService typeMass Airflow Sensor ReplacementEstimate$585.09Shop/Dealer Price$724.55 - $1099.49
Show example Mercedes-Benz C320 Mass Airflow Sensor Replacement prices

What is the Mass Airflow Sensor all about?

The mass airflow sensor is a round tunnel made of plastic with a sensor attached inside. All cars take air from the outside and pass it into the engine through the air filter. The mass airflow sensor measures the amount of air entering the engine. For an engine to perform properly, it needs a specific amount of air-fuel mixture. The computer in the car reads the amount of air coming into the engine from the mass airflow sensor and then calculates the correct amount of fuel needed for proper engine performance. If the sensor goes bad, the engine will not know the right amount of fuel to add, causing problems including poor gas mileage, lack of power and more.

It is common for the mass airflow sensor to get dirty (if the air filter is dirty) and lose the ability to read the amount of air coming in the engine. If the vacuum hoses are leaking, it will give the same error code as mass airflow sensor failure.

When doing this job, the mechanic may recommend changing the electrical connector that connects the mass airflow sensor to the car's computer system. It is possible for the wires in the connector to break, causing the mass airflow sensor to not work.

Keep in mind:

  • Routinely changing your air filter can improve the lifespan of your mass airflow sensor
  • Often mass airflow sensors stop working because of bad connectors or wiring harnesses.
  • Anytime the mass airflow sensor is replaced, the air duct between the sensor and the intake manifold should be inspected.

How it's done:

  • Scan the computer in the car for codes.
  • Verify the problem.
  • Remove and replace the sensor if found faulty.
  • Check vacuum hoses for leaks and cracks.
  • Test drive the vehicle.

Our recommendation:

  • Changing the air filter on a regular basis will ensure that the car is getting cleaner air and hence performing optimally.
  • If the Check Engine light is on, get the car inspected as soon as you can.
  • If the Check Engine light is flashing, pull over and get the car towed to avoid costly repairs.
  • A mechanic should always inspect the vacuum hoses and snorkel attached to the mass airflow sensor when replacing it. It is possible for these items to have leaks. Replacing the sensor without fixing the leaks will not solve the problem.

What common symptoms indicate you may need to replace the Mass Airflow Sensor?

  • Check Engine light is on.
  • Car does not have power.
  • Excessive fuel consumption.
  • Car may not start.

How important is this service?

In order to run optimally, your vehicle needs to have a perfect fuel-to-air ratio. As the vehicle is moving, an uncontrollable amount of air enters the throttle body and heads into the intake manifold. As such, the fuel has to be adjusted to be optimal for the amount of air. The mass airflow sensor measures the mass of the air that is entering the vehicle, and sends the information to the car’s computer management system. This system then controls the amount of fuel that is injected into the cylinders, so that the ideal fuel-to-air ratio is achieved. When the mass airflow sensor stops working, the computer cannot receive information on the air intake, and the fuel-to-air ratio will be wrong. This will cause your engine to run poorly, and sometimes not at all. It will also impact your gas mileage.

Fast and easy service at your home or office

Backed by 12-month, 12.000-mile guarantee


Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating

(60)

Rating Summary
56
0
2
0
2
56
0
2
0
2

Robert

20 years of experience
1109 reviews
Robert
20 years of experience
Mercedes-Benz C320 V6-3.2L - Windshield Wiper Motor Replacement (Front) - Denver, Colorado
Robert was great! He not only replaced my windshield wiper motor, but also gave my car a thorough inspection. Very friendly and professional.

James

15 years of experience
46 reviews
James
15 years of experience
Mercedes-Benz C320 V6-3.2L - Battery - Long Beach, California
Professional and Knowledgeable

Chet

41 years of experience
493 reviews
Chet
41 years of experience
Mercedes-Benz C320 V6-3.2L - Serpentine/Drive Belt - San Diego, California
Chet is great, very knowledgeable, kind, professional & tells it like it is. I was a bit stressed about my repair. After speaking with Chet & considering his suggestions I was at ease. Chet went out of his way to fix my repairs I’m forever grateful for all his hard work & help. I highly recommend Chet!!!

Miguel

21 years of experience
247 reviews
Miguel
21 years of experience
Mercedes-Benz C320 V6-3.2L - Check Engine Light is on - Secaucus, New Jersey
Excellent and efficient work. Found the problem quick, Thanks!

Excellent Rating

(60)

Rating Summary
56
0
2
0
2
56
0
2
0
2
Number of Mercedes-Benz C320 services completed
660+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
experts on our platform

Recent articles & questions

Is It Unsafe to Continue Driving a Vehicle with Broken Wheel Speed Sensors?
Car wheel speed sensors are an important safety feature. It helps the ABS system work when you need to make an emergency stop.
Symptoms of a Bad or Failing Barometric Sensor
Common signs include poor engine performance, like sluggish acceleration, lack of power, and misfires, as well as the Check Engine Light turning on.
Symptoms of a Bad or Failing Transmission Speed Sensor
Common signs include harsh or improper shifting, cruise control not working, and the Check Engine Light coming on.

Difficult startup with a lot of idling when it's cold

One of the main things that can prevent a vehicle from starting in the cold is the battery. Batteries for automobiles are rated by cold cranking amps. This measurement is the amount of amperage the battery can produce at zero...

My car died and won't start what could the problem be?

Hello. A no start condition can be caused by many things. If you believe that the engine may not be getting fuel then I would start with examining the vehicle's fuel system. It may be possible that one of the...

Gas sensor not working; car stalled in intersection

The fuel tank on your vehicle is under the rear passenger seat. There are 2 fuel pumps in the tank, each with a large seal, that must be installed perfectly to avoid fuel/fume leakage. Mercedes is aware of this issue...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (844) 997-3624 · hi@yourmechanic.com