Top Mechanics For Mercedes-Benz Catalytic Converter Replacement & Repairs
250 Reviews
Garage in Cupar, 20 years of experience
Over 20 years experience in independent garages including bodyshop mechanic and also fiat and kia main dealer carrying out all types of repairs and mot testing
15 Reviews
Garage in Midhurst, 24 years of experience
At J&L Auto Care and Transport solutions we strive to provide a solution for all your motoring needs, to keep you on the road. As a fully qualified Technician, having previously worked for main dealers and...
17 Reviews
Garage in Leeds, 16 years of experience
At rapid rubber we have been trading since 2012 covering Leeds and surrounding areas for mobile tyre replacement and repairs for car, van truck and plant, and we also have a retail outlet in the LS12 area wh...
11 Reviews
Garage in Whittlesey, 6 years of experience
Test Technician - Cambustion, Cambridge - 08/2023 - Present Vehicle Technician - BMW UK, Doncaster - 03/2023 - 06/2023 Automotive Technician - Aston Martin, Gaydon Warwick - 11/2022 - 03/2023 Automotive T...
4 Reviews
Garage in Warrington, 23 years of experience
VR AutoTech Warrington Ltd is part of VR EPS Warrington—the northwest's boutique supercar dealer. VR AutoTech Warrington offers vehicle servicing, MOTs, diagnostics, and repairs. We are just off junction 8...
CHRISTOPHER • 21st March 2026
Ford Focus • MOT with collection & delivery
9 Reviews
Mobile mechanic in Cleethorpes, 5 years of experience
Welcome to L&L AUTOS- We cover Grimsby, Cleethorpes and surrounding areas. Our services range from doing Clutches, Brakes, Diagnostics, Suspension issues, Servicing and more!
DONNA • 21st March 2026
Ford Focus • Full Service
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Garage in Bournemouth, 16 years of experience
My journey as a mechanic started 16 years ago, where i started my first job in an independent garage in London. I was working in multiple independent garages across 10 years. Then in 2018, I made my first mo...
10 Reviews
Garage in Bristol , 10 years of experience
I have three years’ experience at a Mercedes main dealer and two years at a Vauxhall main dealer, alongside experience working within independent garages. I am now in my second year as a mobile mechanic, pro...
JONATHAN • 21st March 2026
102 Reviews
Garage in Bristol, 15 years of experience
At Ottos Group, we strive to look after all your vehicle needs. Whether you are a business requiring fleet maintenance or a member of the public. We have facilities to cater for cars all the way up to large ...
REMMEL • 21st March 2026
19 Reviews
Mobile mechanic in London, 8 years of experience
I started as an apprentice in the motor trade in 2018, where I completed a level 2 qualification, I had a short stint working with HGVs and trailers I then came back to light vehicles where I completed my ...
239 Reviews
Mobile mechanic in Telford, 11 years of experience
Our mobile mechanics save the hassle of driving your car to a garage. Book your mobile car service online and we'll come to your home or office.
183 Reviews
Mobile mechanic in Basingstoke , 14 years of experience
Throughout my career, I've consistently valued honesty and transparency, catering to customers with varying levels of mechanical knowledge. My commitment is to ensure clients comprehend necessary work and fe...
105 Reviews
Garage in Romsey , 12 years of experience
I am a qualified and experienced motor vehicle mechanic with over 12 years of experience with in-depth hands-on experience in all vehicle service repairs, and Engine Rebuilds for all European car models such...
DAVID • 21st March 2026
Volkswagen Touran • Diagnostic Inspection
48 Reviews
Mobile mechanic in Pontefract , 10 years of experience
Thank you for choosing us . My name is Matt i am the founder of M.J.H autos . I have worked in garages for a lot of years now . And I have finally took the plunge and left the 9-5 . I guarantee every custom...
JOANNE • 21st March 2026
Citroen Dispatch • Plug-in Diagnostic Inspection
10 Reviews
Garage in Lockerbie, 11 years of experience
Ford Dealership 2013 - 15 Independent Garage 2016 - 18 BMW Dealership 2018 - 2019 Fast fit/Free lance 2019 - Current
IAN • 21st March 2026
Frequently asked questions about Mercedes-Benz catalytic converter replacement & repairs
Read our answers to questions about catalytic converter replacement costs, symptoms and more.
What does a catalytic converter replacement on my Mercedes-Benz involve?
- Mechanic will read the ECU for catalytic converter and oxygen sensor related problems.
- Mechanic will inspect the catalytic converter for damage.
- Mechanic removes oxygen sensor for further check and removal of catalytic converter.
- If necessary, the catalytic converter will be replaced.
- Mechanic will advise if other parts need to be replaced.
- Mechanic will run engine, check catalytic converter operation.
- Mechanic will make adjustments where necessary.
What are the symptoms of a bad Mercedes-Benz catalytic converter?
You'll know something might be wrong with your car's catalytic converter:
- When dark smoke is coming from the exhaust
- When the engine performance is significantly reduced
- When fuel efficiency is decreasing
- When you experience issues while accelerating
- When the smell of sulfur (rotten eggs) is coming from your car
- When the check engine light flashes up
How long does it take to replace a catalytic converter on my Mercedes-Benz?
On average, catalytic converter replacement times can range from just over 1 hour to 1.7 hours with an average of around 1.2 hours. The time that the job takes 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 I replace the catalytic converter on my Mercedes-Benz?
Catalytic converters are built to have a long lifetime, however over time the pores can become clogged, or overheating can cause physical damage. A damaged catalytic converter will emit more toxic pollution into the atmosphere. It is important to ensure the catalytic converter is always serviced as and when stipulated in the guidelines set out by your car's manufacturer.
How to protect your Mercedes-Benz Catalytic Converter from theft
There are ways to prevent the theft of your catalytic converter, mainly by making it harder to access and remove it. Below are a few suggestions on how to deter thieves or at least slow them down:
- Parking closer to walls, other vehicles or close to the kerb, to make climbing under your car more difficult.
- Marking the catalytic converter with an engraved serial number can allow easier tracing as well making it harder to sell
- Welding the bolts if the converter is bolted on. This does not stop thieves but makes it harder to remove the converter using only a spanner. The downside to consider is that it not only makes it harder for thieves but also mechanics when they are working on your exhaust system.
- Get a protective cover fitted to make it more difficult for thieves to remove the converter
- Get a catalytic converter alarm which is set off when the catalytic converter is tampered with
- Increased security measures, e.g. if possible park in a lockable garage, fencing, park in well-lit areas or CCTV ?
What is the average lifespan of Mercedes-Benz catalytic converters?
Catalytics converters usually last 100,000 miles or even the entire lifetime of the vehicle, however this can differ depending on how and where you drive, and other internal and external factors.
Can local garages offer home collection and delivery for Mercedes-Benz catalytic converter replacement?
Yes, many local garages are able to offer collection and delivery for a catalytic converter replacement on your Mercedes-Benz. 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 catalytic converter replacement on your Mercedes-Benz.
Can mobile mechanics do Mercedes-Benz catalytic converter replacement at my home or office?
Yes, mobile mechanics can do a catalytic converter replacement at your home or office on your Mercedes-Benz, 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 Mercedes-Benz catalytic converter replacement cost?
The cost for a Mercedes-Benz catalytic converter replacement depends on the model of your Mercedes-Benz. 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 Clamps and paste and Catalytic converter.
| Name | Average Cost | |
|---|---|---|
| Mercedes-Benz A-Class | £376 | Get exact price |
| Mercedes-Benz B-Class | £332 | Get exact price |
| Mercedes-Benz C-Class | £429 | Get exact price |
| Mercedes-Benz Citan | £186 | Get exact price |
| Mercedes-Benz CLC-Class | £644 | Get exact price |
| Mercedes-Benz CL-Class | £734 | Get exact price |
| Mercedes-Benz CL Coupe | £734 | Get exact price |
| Mercedes-Benz CLK | £450 | Get exact price |
| Mercedes-Benz CLS-Class | £553 | Get exact price |
| Mercedes-Benz E-Class | £632 | Get exact price |
| Mercedes-Benz GLA-Class | £127 | Get exact price |
| Mercedes-Benz M-Class | £446 | Get exact price |
| Mercedes-Benz SL-Class | £664 | Get exact price |
| Mercedes-Benz SL-Class R129 | £411 | Get exact price |
| Mercedes-Benz SLK | £259 | Get exact price |
| Mercedes-Benz Sprinter | £562 | Get exact price |
| Mercedes-Benz Vito | £495 | Get exact price |
Average costs for 17 models not shown due to insufficient data. Show ∨
- Mercedes-Benz CLA-Class
- Mercedes-Benz GLC-Class
- Mercedes-Benz GLE Class
- Mercedes-Benz SLR McLaren
- Mercedes-Benz G Wagen
- Mercedes-Benz Viano
- Mercedes-Benz GLK
- Mercedes-Benz S-Class
- Mercedes-Benz GL-Class
- Mercedes-Benz R-Class
- Mercedes-Benz S-Class Coupe
- Mercedes-Benz G-Class
- Mercedes-Benz SLS
- Mercedes-Benz 814
- Mercedes-Benz Vario
- Mercedes-Benz Vaneo
- Mercedes-Benz V-Class
Estimates on average repair costs, such as the above results for a catalytic converter 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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Mechanics that work on Mercedes-Benzs
- Ascot Car Mechanic, Ascot
- Autotech Centre Garage Ltd, Chesham
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- Car M.D. Mossley Ltd, Mossley
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- Mustafa, London
- Owens Autos Ltd, Glasgow
- Pr Autotec Mobile Mechanic, Rotherham
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- Summerland Commercials And Mot Centre, Leicestershire
- Sussex Vehicle Services, Burgess Hill
- T S M, Camelford
- Treeway Motor Repairs, Gloucester
- V And H Services, Dagenham
He faced the challenges of correcting shody workmanship such as- seized, overtiightened engine bolts etc.. He calmly worked to resolve these without a fuss.”