Contaminated fuel in your Mercedes C36 AMG? Diesel in your Petrol Mercedes?

We can help!
Call us: 0333 366 0103
Mercedes Fuel Drain


Putting Diesel in a Petrol Mercedes is a fairly typical error. And exactly what you should do about it is dependent upon an assortment of things. In case you would like to know what you have to do about it then please read on.
Here are the main factors to think about whenever choosing whether or not to have your car drained:

  1. What level of Diesel did you put into the Mercedes, taking into consideration that the fuel capacity of the Mercedes C36 AMG is probably around 62 litres?
    1. A tiny quantity of Diesel, as little as 3.1 litres of Diesel in a Petrol C36 AMG will most of the time not necessarily be a massive problem. Experience has taught us that quantities under 3.1 litres (5% of the fuel tank capacity) is frequently capable of being sufficiently diluted through entirely topping the tank with Petrol.
      It's very uncommon to encounter a motor vehicle having difficulties due to lower than 5% wrong fuel contamination. Be aware that it is very infrequently found - not impossible to find. There are actually certain automobiles that won't stand any amount of fuel contamination in the slightest.
    2. In between 3.1 and 6.2 litres of Diesel in the Mercedes (from 5 to 10%) is more of a 50/50 scenario. Our experience has revealed that as many people get away with it as those who break down. Whenever you are trying to decide whether or not to chance it and simply top it up recognise that it is the same as wagering all of it on black - you will have a 50/50 possibility of it working out.
    3. Anything in excess of 6.2 litres of Diesel in your Petrol C36 AMG should straight away be drained as your probability of driving with this quantity of contamination is certainly lower than one in fifty - seriously big odds.
  2. Put Diesel in a Petrol Mercedes and drove it: Have you spotted any performance concerns ever since putting the bad fuel in your C36 AMG? In that case, get it emptied irrespective of the volume of Diesel or even the contamination ratio. Still driving a car that is already beginning to suffer the effects of wrong fuel contamination will likely bring about progressively more harm being caused to your fuel system parts.
  3. Are you looking for security?
    Then get it removed. No matter the contamination percentage, there is always a certain level of threat resulting from driving a Petrol motor on fuel contaminated with Diesel. Likely final outcomes of driving on the incorrect fuel normally include the engine not starting, running unevenly, reduced power, wearing of the high-pressure pump, worn out or blocked injectors, and so on. These are some of the most common Diesel in Petrol warning signs, and in the event that you recognise any of them stop driving and get it removed asap.

Keep away from having any jack-of-all-trades to try to fix your car. We are Mercedes specialists and possess the accreditation and working experience necessary to ensure that you get back on the road with minimal hassle or worry.

Put Diesel in a Petrol Mercedes

Mistakenly put Diesel in a Petrol Mercedes? Or even put contaminated fuel in your Mercedes C36 AMG?

Call us for Assistance & Recommendations

Call us and get straightforward advice and practical assistance for your specific situation

We show up and do the fuel drain

We are able to come to you to undertake the complete fuel drain & purge right there on scene

Once done You Get Going Once again

Once we are done you will be able to get back on the road and get on with your trip

Wrong Fuel Drain Specialists

We are the primary wrong fuel drain professionals in the UK, offering countrywide cover, for Mercedes motorists especially. We predominantly fix:

  • Unleaded petrol in your Diesel Vehicle
  • Diesel in your Unleaded Petrol Car
  • AdBlue contamination
  • Water fuel contamination

We are Mercedes specialists and have successfully drained hundreds of Petrol Mercedes vehicles. Whether or not it's roadside, on a station forecourt, or even at your home, we can get you on the road once again.

The Procedure

The process of draining Diesel from a Petrol car is basically similar for virtually all vehicle makes. Needless to say it may differ a bit as every brand has their particular distinct fuel system. Nevertheless it still generally adheres to the below guidelines:

Petrol in Diesel Mercedes

Fuel Drain

Empty the Fuel Tank

View more
Wrong Fuel Drain Mercedes

System Flush

Clean out the fuel lines & pumps

View more
Petrol in Diesel Drain Mercedes

Vehicle Restart

Get the car up and running again

View more


Hours a Day


Days a Week





Our Partners

Just some of the few people we work with to bring you the best petrol in diesel service possible

Diesel in Petrol FAQs

When someone has put Diesel in a Petrol car they have a few very common questions. So we have compiled a list of the most Frequently Asked Questions for you

I put Diesel in a Petrol car and drove it. What do I do?


Turn off the car as soon as possible and call us. Continuing to run a vehicle on the wrong fuel can potentially damage it. We will be able to give you advice and assistance based on your circumstances

Will driving a Petrol car on Diesel cause damage to it?


It can. However, if the problem is caught and remedied quickly the risks will be minimal. Of the 1,500 vehicles we attend every month, less than 0.5% have suffered and substantial damage requiring parts replacement.

How much Diesel can I get away with in a Petrol car?


The safe answer is none. However you might be able to get away with a very low contamination ratio. That being said, we always highly recommend draining anything over a 5% contamination ratio asap.

I know about petrol in diesel, but what about Super Unleaded?


Putting Super Unleaded, or Shell V-Power, BP Ultimate Unleaded, etc, will have the exact same effect as putting regular unleaded petrol in your diesel car and will need to be drained out and flushed.

Will getting you to do a fuel drain void my warranty?


No! The EU Block Exemption Regulations clearly state that "the work can be carried out by as long as that garage uses manufacturer approved parts and correctly follows the manufacturer's service schedule."

Can I top it up with Petrol and add some 2-stroke oil?


This might work on some vehicles in some cases, but in the majority on instances it won't and you risk damaging the Lambda sensors as well as fuel pump and injectors, just as a regular misfuel.

Contact Us

Should you have any queries or want some assistance please Call us!
We can get you going again.

24/7 Mercedes Helpline

0333 366 0103

Our Business Office

Fuel Fixer Ltd, Linx House, 147 London Road, East Grinstead, RH19 1ET

Weekdays: 9am to 5pm

Important Info

Fully Insured

VAT Registered

APEX Certified


Fully Mobile

Professionally Trained