Top Mechanics For Mercedes-Benz Catalytic Converter Replacement & Repairs
254 Reviews
Mobile mechanic in Wolverhampton, 38 years of experience
The start of my career I was a trained auto electrician. Then a master technician within a main dealership. And for the last 18 years I’ve been part of a big automotive company. So I have plenty of experienc...
258 Reviews
Mobile mechanic in Cheltenham, 9 years of experience
About Me. I came here from Hungary where i used to work for 3 years at a Volkswagen Dealership. Before that and during these 3 years i was also working at my fathers garage because he is a qualified mechani...
105 Reviews
Garage in Wickford, 13 years of experience
I started my mechanic career when I undertook my apprenticeship at M tech development who were a Volkswagen Audi specialist back in the mid 2000's. Following a great time here I then moved onto numerous inde...
LISA • 28th March 2026
Fiat 500 • Oil leak investigation
76 Reviews
Mobile mechanic in Nunenton, 30 years of experience
I've worked on vehicles for over 30 years from bikes to lorries. In that time I've learnt a lot of skills and don't mind working with different types of vehicles weather thats on or off road type. I have a g...
40 Reviews
Mobile mechanic in Birmingham , 40 years of experience
Volkswagen group, Mercedes Benz, AA Patrol, AA VW Asistance, RAC VW Asistance, RAC Mobile mechanic. Toyota Australia, Volkswagen Australia, Mobile Mechanic Australia
SCOTT • 28th March 2026
Volkswagen Transporter • Diagnostic Inspection
54 Reviews
Garage in Bradford, 15 years of experience
15+ Years Of Experience In The Mechanical Trade | Qualified Apprentice Through City & Guilds | Qualified MOT Tester | Level 3 IMI/Diploma | Level 3 Award in MOT Test Centre Manager/AEDM. Reliable, energe...
TRACY • 28th March 2026
251 Reviews
Garage in Kenilworth , 30 years of experience
30 years experience working for independent garages. Ten years working for myself. Working on all makes of car’s From Brake pads to Engine rebuilds.
5 Reviews
Mobile mechanic in Canterbury, 25 years of experience
Yova Auto Expert is a skilled automotive technician with strong experience in vehicle diagnostics, repair, and maintenance. With years of hands-on experience in the automotive industry, he specialises in eng...
NIMESH • 28th March 2026
BMW 3 Series • Diagnostic Inspection
600 Reviews
Garage in Harlow, 15 years of experience
I have been interested in the car repair industry for almost my entire life. The first few years were spent learning the trade and I went to college to study it properly. I worked at a garage as a BMW specia...
464 Reviews
Garage in Hayes, 12 years of experience
Having being in the motortrade industry for over a decade, I have increased my knowledge dramatically by getting my level 3 in vehicle maintenance, then going onto university to study motorsport engineering ...
237 Reviews
Mobile mechanic in Birmingham, 5 years of experience
I have 5 years experience in my country and about 3 years in UK
26 Reviews
Garage in Manchester, 7 years of experience
All mechanical and bodywork taken, specialist in VAG group cars.
1 Reviews
Garage in Basildon, 7 years of experience
I am a highly experienced and detail-oriented vehicle technician with over 7 years of hands-on experience in the automotive industry. I have extensive knowledge of vehicle systems, including engines, transmi...
PAUL • 28th March 2026
Nissan Qashqai • Brake discs and pads replacement - front (both)
364 Reviews
Mobile mechanic in Stoke-On-Trent, 5 years of experience
As an independent mechanic always aim for the best, always happy to go the extra mile for all our customers.
SIPHIWE • 28th March 2026
Mercedes-Benz GLA-Class • Major Service
46 Reviews
Garage in Somerset, 20 years of experience
At Gerec Recovery Ltd we have four fully qualified mechanics based at our workshop in Bridgwater just off the M5 and also out on the road as technicians diagnosing and fixing vehicles at the roadside. We ...
DAVID • 28th March 2026
Fiat 500 • Timing belt replacement
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
- AA MOT LTD, Sheffield
- BB Automotive, Biggin Hill
- Carma Autocare, St Leonards On Sea
- Daniel Heath, Manchester
- GP AUTOFIX, 0
- Hgf Motors, Wellington
- JCS Autos Ltd, Headley
- Jw Vehicle Repairs, Southampton
- Kg Autos, Glasgow
- Mmac Auto Repairs, Armagh
- Pitstop Garage MK Limited, Milton Keynes
- Richardson’s Service & Repair, Buxton
- Robinwood Autos Ltd, Newport
- S Y Motors Ltd., Balsall Heath, Birmingham
- T S M, Camelford
- Taylor Tunes, Cardiff
- Ted's Garage, Headcorn
- Teyana Ltd, Aylesbury
- WDM Autocare, Etchingham
- WEBS SERVICES LTD, Rotherham
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