Incorrect fuel in your Mercedes E250 CGI? Diesel in a Petrol Mercedes?

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Mercedes Fuel Drain


Putting Diesel in a Petrol Mercedes is a fairly typical mistake to make. And its remedy will depend on several different things. If perhaps you would like to know what you have to do to fix it then keep reading.
Here are the key variables to be aware of when choosing whether or not to get it drained:

  1. What level of Diesel have you put into the Mercedes, taking into consideration that the fuel tank capacity of your Mercedes E250 CGI is probably about 59 litres?
    1. A small amount of Diesel, less than 2.95 litres of Diesel in a Petrol E250 CGI will in most cases not be a significant problem. Experience has proven to us that anything less than 2.95 litres (approximately 5% of the fuel tank) is in many instances capable of being sufficiently diluted by wholly topping up the tank with the correct fuel.
      It's pretty rare to encounter a car experiencing problems with less than 5% incorrect fuel contamination. Keep in mind that it is uncommon - not impossible to find. There are actually a few automobiles that will not endure any degree of fuel contamination at all.
    2. In between 2.95 and 5.9 litres of Diesel in the Mercedes (5 to 10%) is really a 50/50 condition. Our working experience has confirmed that as many drivers get away with this as all those who break down. Whenever you are figuring out whether or not to risk it and simply top it up recognise that it is very much like wagering all of it on black - you have got a 50/50 chance of it being ok.
    3. Anything more than 5.9 litres of Diesel in a Petrol E250 CGI must as soon as possible be removed because your likelihood of succeeding with this level of contamination is more than likely less than one in fifty - definitely huge odds.
  2. Put Diesel in a Petrol Mercedes and drove it: Have you detected any performance concerns after putting the bad fuel in the E250 CGI? If so, get it emptied irrespective of the volume of Diesel or the contamination ratio. Still running an automobile that is currently starting to suffer from the effects of wrong fuel contamination can typically end up in increasing amounts of harm being done to your fuel system.
  3. Are you looking for peace of mind?
    Then get it emptied. Regardless of contamination percentage, there is always some amount of threat connected to driving a Petrol engine on fuel contaminated with Diesel. Possible implications of driving on the wrong fuel include the motor refusing to start, running unevenly, losing power, wearing of the high-pressure pump, damaged or clogged injectors, etc. These are some of the most typical Diesel in Petrol signs or symptoms, and if you notice any of them then stop driving and get it drained right away.

Do not simply get any unqualified so-and-so to try to drain your car. We are Mercedes specialists and have got the qualifications and practical experience required to make certain that you are back on the road with a minimum of hassle or trouble.

Put Diesel in a Petrol Mercedes

By mistake put Diesel in a Petrol Mercedes? Or perhaps even put contaminated fuel in your Mercedes E250 CGI?

Give us a call for Help & Guidance

Call us and obtain honest advice and practical help for your exact circumstances

We come out and drain it

We would go to you to perform the fuel drain & clean there on scene

Once carried out You Get Going Once again

Once we have finished you are able to get back on the road and get on with your day

Wrong Fuel Drain Specialists

We are the primary wrong fuel drain specialists in the UK, boasting national service, for Mercedes motorists particularly. We mostly deal with:

  • Unleaded petrol in your Diesel Auto
  • Diesel in an Unleaded Petrol Auto
  • AdBlue contamination
  • Water contamination

We are Mercedes specialists and have successfully drained thousands of Petrol Mercedes vehicles. Regardless of whether it is at the roadside, on a filling station forecourt, or even at home, we are able to get you on the road again.

The Process

The procedure of extracting Diesel from a Petrol car is generally exactly the same for a large number of vehicle makes. Of course it can vary to some extent as each make has their own fuel system. Having said that it still fundamentally follows the following points:

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.

Call us

Should you have any questions or require some assistance please Contact 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

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