Smart/MCC Car Oxygen Sensor replacement made easy

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Car oxygen sensors are also called lambda sensors.

Top Mechanics For Smart/MCC Car Oxygen Sensor Replacement & Repairs

153 Reviews

Garage in Bedfordshire, 27 years of experience

I began my career when I was 17 in an independent garage and gained experience and then I worked in main dealerships for a period of time working with BMW, VW & Ford to name a few. I also worked with the AA ...

4 Reviews

Mobile mechanic in Solihull, 12 years of experience

Worked on various different vehicles for many years and have specialised in volkswagen group for the initial half of my career. Offering mobile mechanics, dpf cleaning, trackers, immobilisers, alarms, an...

6 Reviews

Mobile mechanic in Brighton, 10 years of experience

4 years at Peugeot as a commercial vehicle mechanic 6 Years at Jaguar Land Rover as a diagnostic technician and MOT tester Time served at Bentley & Aston Martin as a technician and MOT tester

75 Reviews

Mobile mechanic in Cardiff , 10 years of experience

Our car repair center has been providing high-quality automotive services for over 10 years, specializing in everything from routine maintenance to complex repairs. We pride ourselves on offering expert diag...

145 Reviews

Mobile mechanic in Cambridge, 10 years of experience

With over 10 years of experience, I am a highly skilled mobile mechanic specialising in general maintenance and vehicle repairs

FIONA 16th September 2025

Peugeot 3008 SUV • Additional work following previous booking

492 Reviews

Mobile mechanic in Leeds, 8 years of experience

IMI level 3 IMI level 2 MOT tester Over 10 years experience in the motor trade covering the Yorkshire area. Working hours Monday-friday: 9am-18.00pm Saturday/sunday: closed

7 Reviews

Garage in Boness, 10 years of experience

Carriden Garage Ltd with over 20 years experience in the motor trade. We provide MOT's, servicing & repairs for all vehilce makes and models as well as a whole host of other services.

72 Reviews

Mobile mechanic in Bacup, 15 years of experience

11 years as a race mechanic- trackside repairs and vehicle setup changes 6 years as a Porsche specialist - clutches, servicing. engine repairs, suspension replacements and wheel alignments amongst other rou...

376 Reviews

Garage in Aylesbury, 7 years of experience

Clutch,diagnostic,brakes,servicing,timing belt and chain,all mechanical jobs,mot’s

52 Reviews

Mobile mechanic in Ipswich, 15 years of experience

Select A Driver Ltd. - Automotive Repair is a small team of mobile mechanics, with loads of experience and knowledge to keep you on the road, with the added benefit of not taking you car to a garage. We will...

120 Reviews

Garage in High Wycombe , 14 years of experience

We are an established automotive garage with more than 10 years experience in the motor trade. From basic servicing and brakes to cambelt, clutches and turbos our mechanics are trained to carry out a number ...

313 Reviews

Garage in Middlesbrough , 12 years of experience

BMW Mini Rolls Royce Independent BMW group dealer level diagnostics and able to write official BMW service history. BMW Master Tech ZF Gearbox Specialist Diagnostics; Smoke Tests ISTA (BMW GROUP...

66 Reviews

Garage in Bargoad, 23 years of experience

I am a well experienced mechanic/technician,I have ten years experience in a main dealer (vauxhall) and also experience in Halfords auto centers to large car sales

70 Reviews

Mobile mechanic in Worthing, 13 years of experience

13 years within the industry both in an independent garage where I qualified through a City & Guilds apprenticeship programme and in main dealerships gaining further qualifications. My aim is to provide a...

Frequently asked questions about Smart/MCC car oxygen sensor replacement & repairs

Read our answers to questions about car oxygen sensor replacement costs, symptoms and more.

What does a oxygen sensor replacement on my Smart/MCC involve?

  • The mechanic will read the ECU for possible fault codes related to the oxygen sensors.
  • The mechanic will inspect the sensor and ancillaries (like the electrical connectors).
  • If necessary, the mechanic will replace the sensor.
  • The mechanic will advise if other components need to be replaced as well.
  • The mechanic will check the sensors again.
  • The mechanic will test drive the car, if necessary the mechanic will make adjustments.

What are the symptoms of a faulty Smart/MCC Oxygen Sensor?

  • When the 'Check Engine' light on your dashboard is on.
  • When the engine won't start or cuts out during operation.
  • When the engine misfires.
  • When the engine runs rough (a rough idle for example).
  • When the engine doesn't perform as well as usual.
  • When the car's fuel consumption is higher than usual.
  • When the car fails an emissions test.

How long does it take to replace an o2 sensor on my Smart/MCC?

A car oxygen sensor replacement usually takes around 1 hour, but can take less or more time. Ultimately, the time that the job will take will depend on a number of factors, like your vehicle's make and model, year, as well as other factors. Select your car at the top of this page for information on job time and cost for your vehicle through ClickMechanic.

How often should you replace an oxygen sensor on my Smart/MCC?

For an optimal combustion of the air / fuel mixture within the engine it is important to service the oxygen sensors as and when stipulated in the guidelines set out by your car's manufacturer. Professional and timely maintenance is essential to prevent further damage of other parts of the engine. Should you experience problems with an oxygen sensor, then it is advisable to have it inspected and, if necessary, have the sensor replaced.

What causes Smart/MCC oxygen sensors to break?

Due to constant exposure to heat being fitted on the exhaust of the car, the oxygen sensor will eventually suffer from wear and tear over time. Contamination from debris and dust can also cause the oxygen sensor to become faulty. Typically, the oxygen or lambda sensor fails due to damage from being in close proximity to extremely high temperatures.

What is the average lifespan of Smart/MCC oxygen sensors?

Oxygen sensors can typically last anywhere from 40,000 to 100,000 miles however they may need to be replaced sooner if damaged or corroded.

Can local garages offer home collection and delivery for Smart/MCC car oxygen sensor replacement?

Yes, many local garages are able to offer collection and delivery for a car oxygen sensor replacement on your Smart/MCC. With ClickMechanic collection & delivery is free if your vehicle is drivable. Once booked a mechanic will pick up the vehicle on the day and time of your choice, do the work, and return the vehicle at a time convenient to you. Simply enter your vehicle registration number and postcode to get an upfront price for a car oxygen sensor replacement on your Smart/MCC.

Can mobile mechanics do Smart/MCC car oxygen sensor replacement at my home or office?

Yes, mobile mechanics can do a car oxygen sensor replacement at your home or office on your Smart/MCC, provided there is a safe and sufficient space to conduct the repair or replacement. With ClickMechanic, once booked for a date and time of your choice, your booking will be offered to vetted mobile mechanics in your area.

How much does a Smart/MCC car oxygen sensor replacement cost?

The cost for a Smart/MCC car oxygen sensor replacement depends on the model of your Smart/MCC. See the averages for different models below. We use industry standard data & millions of data points so you know what you should be paying.

These estimates may include Lambda sensor.

Name Average Cost
Smart fortwo £137 Get exact price
Smart Roadster £200 Get exact price
Smart Smart £194 Get exact price

Estimates on average repair costs, such as the above results for a car oxygen sensor replacement, are based on ClickMechanic's quote data which combines multiple third-party sources. Actual costs may vary. We provide estimates on average repair costs for information only and accept no liability for any inaccuracies or errors. If you think an estimate is incorrect, please contact us to let us know.

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