Bad fuel in a Mercedes S500 L? Diesel in your Petrol Mercedes?

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Mercedes Fuel Drain

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Putting Diesel in a Petrol Mercedes is a regular mistake. And its solution will depend on several different things. If you want to know what it is advisable to do to fix it then continue reading.
Right here are the main factors to keep in mind when choosing whether to get a fuel drain:

  1. What level of Diesel did you put into the Mercedes, bearing in mind that the fuel tank capacity of your Mercedes S500 L is probably about 100 litres?
    1. A modest amount of Diesel, as little as 5 litres of Diesel in a Petrol S500 L will most of the time not necessarily be a major problem. Experience has proven to us that quantities less than 5 litres (which is almost 5% of the whole fuel tank capacity) is generally capable of being sufficiently diluted simply by completely topping up the rest of the tank with the correct fuel.
      It's highly uncommon to find a motor vehicle experiencing difficulties because of lower than 5% incorrect fuel contamination. Remember that it's rare - in no way impossible to find. You can get certain motor vehicles that will not endure any amount of fuel contamination in the slightest.
    2. Somewhere between 5 and 10 litres of Diesel in the Mercedes (5 to 10%) is a 50/50 situation. Our working experience has shown us that as many drivers get away with this as those who break down. Whenever figuring out whether to risk it and just fill it up recognise that it is much like betting your car on black - you will have a 50/50 chance of it being ok.
    3. Anything above 10 litres of Diesel in your Petrol S500 L should as soon as possible be drained seeing as your likelihood of driving with this amount of contamination is almost certainly lower than one in fifty - really long odds.
  2. Put Diesel in a Petrol Mercedes and drove it: Have you detected any kind of performance concerns since putting the wrong fuel in the S500 L? If that's the case, have it removed irrespective of the volume of Diesel or even the contamination ratio. Continuing to run driving a motor vehicle that is starting to suffer the consequences of fuel contamination can only lead to more and more damage affecting the fuel system.
  3. Would you like peace of mind?
    Then simply just get it emptied. No matter the contamination ratio, there is always a certain level of threat caused by operating a Petrol engine on Petrol contaminated with the incorrect fuel. Probable final outcomes of driving a car on the incorrect fuel include things like the engine not starting, running unevenly, reduced power, wearing of the high-pressure pump, worn out or clogged injectors, and the like. These are a few of the most frequently seen Diesel in Petrol signs or symptoms, and should you detect any of them stop driving and have it removed immediately.

Refrain from getting any unqualified mechanic to attend your vehicle. We are Mercedes specialists and possess the accreditation and knowledge needed to ensure you are back on the road with minimal hassle or trouble.

Put Diesel in a Petrol Mercedes

Inadvertently put Diesel in a Petrol Mercedes? Or perhaps even put contaminated fuel in your Mercedes S500 L?

Contact us for Assistance & Recommendations

Call us and get genuine advice and practical help for your particular circumstance

We come out and do a fuel drain

We are able to come to you to carry out the full contaminated fuel drain & purge right there on scene

All done & You Get Moving Again

When we are done you will be able to get back moving and get on with your trip

Wrong Fuel Drain Specialists

We are the leading wrong fuel drain professionals in the UK, boasting countrywide service, for Mercedes motorists especially. We mainly deal with:

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

We are Mercedes specialists and have successfully drained hundreds of Petrol Mercedes vehicles. Even if it's roadside, on a filling station forecourt, or even at your house, we are able to get you on the road once again.

The Process

The process of extracting Diesel from a Petrol car is basically identical for most vehicle makes. As you can imagine it may differ to some extent as every brand has their own different fuel system. However it still fundamentally 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.

Call us

In case you have any questions or need some help please Call us!
We are able to get you going 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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