Top Mechanics For Mercedes-Benz Catalytic Converter Replacement & Repairs
52 Reviews
Garage in Taunton, 23 years of experience
We are a father & daughter run mobile mechanic service based close to Taunton but coverage stretches as far as Weston to Exeter and all in between. I started messing with cars when i turned 8 and have worked...
MIKE • 27th June 2026
Peugeot Expert • Brake discs and pads replacement - front (both)
3 Reviews
Garage in London, 8 years of experience
Worked as a Vehicle Mechanic at Car Fixers, carrying out vehicle servicing, diagnostics, maintenance, and mechanical repairs on a wide range of vehicles. Gained experience in engine repairs, brake and suspen...
381 Reviews
Mobile mechanic in Wellingborough , 10 years of experience
Hi I’m Michal. I've been doing cars for about 10 years specifically for Vehicle Mechanical, Electrical and Trim (MET) Technician last 2.5 years. Had lots of training in recent VW group technology so that’...
ADRIAN • 27th June 2026
413 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.
DEBORAH • 27th June 2026
MG ZS SUV • Full Service
80 Reviews
Mobile mechanic in Sedgemoor, 5 years of experience
Experienced Mobile Mechanic with a strong background in diagnosing, repairing, and maintaining a wide range of vehicles in on-site and roadside settings. Skilled in performing engine diagnostics, brake repai...
ANITA • 27th June 2026
Ford B-Max • Oil sump/pan replacement
11 Reviews
Garage in London, 20 years of experience
With over 20 years of hands-on experience in the motor trade, I have developed strong technical and diagnostic skills across a wide range of vehicles. I specialise in repairs, maintenance, fault finding, eng...
78 Reviews
Garage in Solihull, 14 years of experience
Welcome to NexGen Auto-Serve, we are mobile mechanics that caters to all types of jobs big or small we are happy to help. We are VWAG (vw & audi group) specialist who can also update your digital service...
ALEX • 27th June 2026
Audi A3 Cabriolet • Diagnostic Inspection
15 Reviews
Garage in Leicester, 13 years of experience
Kwikfit - Service Technician Available Car - Diagnostic Technician Evans halshaw - Technician Level 3 hybrid electric qualified.
104 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...
DANIEL • 27th June 2026
Ford Ka+ • Timing belt replacement
151 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 ...
MICHAEL • 27th June 2026
Ford Focus • Air conditioning condenser replacement
271 Reviews
Garage in London, 8 years of experience
I bring over a 8 years of hands-on expertise in the automotive industry, making me a seasoned car mechanic you can trust. Throughout my career, I've worked with a diverse range of vehicles, from compact cars...
146 Reviews
Garage in Reading, 24 years of experience
PopesWood Garage 1998-2003 Mechanical Training TCD cars (self employed) 2004-2012 - Car Repair, maintenance. LACC Country cars 2012-2016 Car repair, maintenance and mechanical prep Japonica Cars 2016-date...
EMILY • 27th June 2026
Vauxhall Insignia • Diesel particulate filter (DPF) chemical clean and regeneration
179 Reviews
Garage in Abbots Road , 25 years of experience
Over 25 years experience in fixing cars,10 years of preparing rally cars. Studies: University and Master in auto vehicle engineering,all mechanical jobs done along my experience as clutches,timing belt,wet ...
5 Reviews
Garage in Hamilton, 11 years of experience
Hi, I’m Andrew, a fully qualified mechanic with over 10 years experience. I’m a fully qualified MOT tester and brand accredited with both Mercedes-Benz and Audi. I firmly believe that every job should be car...
121 Reviews
Mobile mechanic in Knutsford, 15 years of experience
With 10 years experience with Nissan, Renault and Mercedes dealerships and 5 years working for independent workshops on various brands of cars I am in an excellent position to provide you amazing customer se...
KEVIN • 27th June 2026
Jeep Renegade • 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
- A And J Vehicle Services Ltd, Salisbury
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- RL Automotive, Cambridgeshire
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