Incorrect fuel in your Mercedes C32 AMG? Diesel in a Petrol Mercedes?

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Mercedes Fuel Drain


Putting Diesel in a Petrol Mercedes is a well-known mistake. And its solution will depend on various factors. In case you would like to find out what you have to do to sort it out then stay with me.
These are the key factors to think about when deciding on whether or not to get it drained:

  1. Exactly how much Diesel have you put in to the Mercedes, taking into account that the fuel tank capacity of your Mercedes C32 AMG is most likely roughly 62 litres?
    1. A small amount of Diesel, as little as 3.1 litres of Diesel in a Petrol C32 AMG will most of the time not be a significant problem. Experience has taught us that quantities under 3.1 litres (approximately 5% of the overall fuel tank) is sometimes able to be completely diluted simply by entirely topping the remainder of the tank with the appropriate fuel.
      It's very uncommon to come across a car or truck going through problems with lower than 5% incorrect fuel contamination. Keep in mind that it is very infrequent - certainly not impossible to find. There are certain motor vehicles that will not stand any quantity of contamination at all.
    2. Between 3.1 and 6.2 litres of Diesel in the Mercedes (from 5 to 10%) is more of a 50/50 situation. Our practical experience has shown that as many drivers get away with it as those who break down. Any time you are figuring out whether to risk it and just simply fill it up bear in mind that it is much like gambling your car on black - you will have a 50/50 chance of it working out.
    3. Anything above 6.2 litres of Diesel in a Petrol C32 AMG should right away be drained since your likelihood of succeeding with that level of contamination is very likely below one in 50 - extremely huge odds.
  2. Put some Diesel in a Petrol Mercedes and drove it: Have you seen any performance troubles since putting the wrong fuel in your C32 AMG? If that's the case, get it removed no matter the volume of Diesel or even the contamination ratio. Continually running a car that is now beginning to suffer from the effect of wrong fuel contamination will only lead to progressively more harm being done to the fuel system components.
  3. Do you want assurance?
    Then get it removed. Regardless of contamination ratio, there is inevitably a certain level of threat associated with running a Petrol motor on Petrol contaminated with Diesel. Likely outcomes of driving a car on the incorrect fuel include the motor not starting, running lumpy, loss in power, wearing of the high-pressure pump, worn or clogged injectors, and so forth. These are several of the most typical Diesel in Petrol signs or symptoms, and if you recognise any of them stop and have it drained right now.

Don't just get any unqualified mechanic to attend your automobile. We are Mercedes specialists and hold the qualifications and experience required to ensure that you get back on the road with no hassle or worry.

Put Diesel in a Petrol Mercedes

By mistake put Diesel in a Petrol Mercedes? Or perhaps even put contaminated fuel in your Mercedes C32 AMG?

Contact us for Assistance & Advice

Give us a call and obtain sincere recommendations and practical assistance for your exact circumstance

We show up and do the fuel drain

We can reach you to perform the full fuel removal & purge right there on scene

Once carried out You Get Moving Once again

As soon as we have completed you should be able to get back moving and get on with your day

Wrong Fuel Drain Specialists

We are the top rated wrong fuel drain authorities in the UK, boasting national service, for Mercedes motorists particularly. We principally deal with:

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

We are Mercedes specialists and have successfully drained thousands of Petrol Mercedes vehicles. Whether it is at the roadside, on a petrol station forecourt, or even at your home, we can get you going again.

The Process

The procedure of removing Diesel from a Petrol vehicle is essentially the same for a large number of vehicles. Naturally it does vary a little as every make has their own distinct fuel system. Nevertheless it still fundamentally follows the below principles:

Petrol in Diesel Mercedes

Fuel Drain

Empty the Fuel Tank

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Wrong Fuel Drain Mercedes

System Flush

Clean out the fuel lines & pumps

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Petrol in Diesel Drain Mercedes

Vehicle Restart

Get the car up and running again

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Diesel in Petrol Questions

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.

Get in Touch

In case you have any questions or need some assistance please Contact Us!
We are able to get you moving once 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

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