Wrong fuel in a Mercedes CLA 250? Diesel in your Petrol Mercedes?

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Filling Diesel in a Petrol Mercedes is a fairly typical mistake. And its remedy depends upon a number of factors. If perhaps you want to find out what you should do about this then stay with me.
Here are the key factors to to consider whenever making a decision whether or not to get the car drained:

  1. Exactly how much Diesel did you put in to the Mercedes, considering that the fuel capacity of the Mercedes CLA 250 is normally around 50 litres?
    1. Hardly any Diesel, as little as 2.5 litres of Diesel in a Petrol CLA 250 will generally not necessarily be a significant problem. Experience has taught us that an amount under 2.5 litres (which is approximately 5% of the overall fuel tank) is in many instances capable of being sufficiently diluted by entirely filling the remainder of the tank with the right fuel.
      It is highly unusual to come across a car going through difficulties due to lower than 5% incorrect fuel contamination. Please remember it is very uncommon - definitely not impossible to find. You will discover certain motor vehicles that don't endure any quantity of fuel contamination whatsoever.
    2. Somewhere between 2.5 and 5 litres of Diesel in the Mercedes (from 5 to 10%) is really a 50/50 condition. Our working experience has confirmed that as many motorists get away with this as all those who break down. Any time you are deciding whether to chance it and simply fill it up recognise that it is just like wagering all of it on black - you have a 50/50 chance of it working.
    3. Anything above 5 litres of Diesel in a Petrol CLA 250 should really as soon as possible be drained since your likelihood of succeeding with this quantity of contamination is probably lower than one in 50 - definitely big odds.
  2. Put some Diesel in a Petrol Mercedes and drove it: Have you noticed any performance concerns after putting the wrong fuel in the CLA 250? If so, get it emptied irrespective of the quantity of Diesel or the contamination percentage. Continuing to run driving a car that is beginning to suffer from the effect of wrong fuel contamination will probably typically lead to more and more harm affecting your fuel system.
  3. Do you want assurance?
    Then get it emptied. Regardless of the contamination percentage, there is always some extent of danger linked with running a Petrol vehicle on fuel contaminated with Diesel. Possible outcomes of driving on the wrong fuel include the engine refusing to start, running lumpy, loss of power, wearing of the high-pressure pump, worn out or bunged injectors, and so on. These are a few of the most frequently seen Diesel in Petrol signs or symptoms, and should you notice any of them stop and get it removed right now.

Avoid having any untrained so-and-so to try to drain your automobile. We are Mercedes specialists and have the credentials and practical experience needed to make certain you get back on the road with minimum hassle or trouble.

Put Diesel in a Petrol Mercedes

Inadvertently put Diesel in a Petrol Mercedes? Or even put contaminated fuel in your Mercedes CLA 250?

Call us for Assistance & Guidance

Contact us and receive straightforward guidance and sensible assistance for your exact circumstance

We arrive and do a fuel drain

We would come to you to do the fuel retrieval & purge right there on scene

All done & You Get Going Once again

As soon as we have finished you will be able to get back on the road and get on with your day

Wrong Fuel Drain Specialists

We are the leading wrong fuel drain authorities in the UK, offering nationwide service, for Mercedes motorists particularly. We typically fix:

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

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

The Process

The procedure of getting rid of Diesel from a Petrol car is generally exactly the same for a large number of cars. Of course it can differ somewhat as every brand has their unique distinct fuel system. Nevertheless it still generally observes the following guidelines:

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?

Answer

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?

Answer

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?

Answer

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?

Answer

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?

Answer

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?

Answer

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

If you have any questions or need some help please Contact Us!
We are able to get you on the road 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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