Fuel, so i have read a few threads on here but.

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merc estate

MB Enthusiast
Joined
Jul 20, 2013
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1,047
Location
Essex
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C Class w205 220d AMG Premium line 2016
So reading through the threads on here about Premium fuel, for and against. Reading about it can stir a few people up, i have a diesel w205 30000 miles i will put in premium some of the time and sometimes put the cheaper one in, hopefully it will keep everyone happy? and the dpf filter i hope . Now the question, WHY do you always talk about Shell premium Why never Esso ? whats wrong with Esso thanks.
 
I like to spread the Happiness, Surely Esso is ok there are enough stations around.
 
I like to spread the Happiness, Surely Esso is ok there are enough stations around.
You are doing more than enough by thinking about it , if you a decent run every week the car won’t have any problems .
I only use supermarket diesel as it’s cheap . I do add some E2HN cetane to each tank , maybe at a cost of 50p to £1 max . I begrudge paying the premium for the special stuff , it’s like filling up at the motorway services !
But yes all premium diesels will pretty much be the same ....expensive ;)
 
A few people on here call premium diesel "snake oil", never used it myself and never felt the need, I think the jury is still out on this.
 
All fuel sold in the UK meets a recognised standard and comes from one of the 7 UK refineries and is suitable for use in your vehicle. Your only choice is do you wish to buy it with additives pre-mixed or buy them and add yourself? Simple.
 
Cheap petrol no problem. Cheap diesel problem. Don’t expect anybody to believe me so keep buying it and our garage will keep making money out of the problems it causes.
I enjoy a ride on the motorway alongside the techie while we clear/clean the DPF for the next customer. Simple.
 
Cheap petrol no problem. Cheap diesel problem. Don’t expect anybody to believe me so keep buying it and our garage will keep making money out of the problems it causes.
I enjoy a ride on the motorway alongside the techie while we clear/clean the DPF for the next customer. Simple.
Cheap is a relative term comparing prices of similar goods, it is not a description of quality.

A DPF needing to be cleaned is not due to "cheap" Diesel. Which part of "All fuel sold in the UK meets a recognised standard and comes from one of the 7 UK refineries and is suitable for use in your vehicle" was not understood?

Think about it, If your assertion was correct there would be far more problems because the majority of drivers use standard pump Diesel,

DPF blocking will happen if there is a fault in the regeneration system or, because many people buy Diesel cars based on poor advice then use the vehicle primarily for short journies that don't allow the DPF to reach operating temperatures. This has nothing to do with the base fuel or its price.
 
Cheap is a relative term comparing prices of similar goods, it is not a description of quality.

A DPF needing to be cleaned is not due to "cheap" Diesel. Which part of "All fuel sold in the UK meets a recognised standard and comes from one of the 7 UK refineries and is suitable for use in your vehicle" was not understood?

Think about it, If your assertion was correct there would be far more problems because the majority of drivers use standard pump Diesel,

DPF blocking will happen if there is a fault in the regeneration system or, because many people buy Diesel cars based on poor advice then use the vehicle primarily for short journies that don't allow the DPF to reach operating temperatures. This has nothing to do with the base fuel or its price.
Excellent response to misleading statement. If Mercedes or any other major manufacturer wanted us to use premium diesel they would tell us, after all they tell us what oil they insist on, and most have been making engines for 100 years.
 
Cheap is a relative term comparing prices of similar goods, it is not a description of quality.

A DPF needing to be cleaned is not due to "cheap" Diesel. Which part of "All fuel sold in the UK meets a recognised standard and comes from one of the 7 UK refineries and is suitable for use in your vehicle" was not understood?

Think about it, If your assertion was correct there would be far more problems because the majority of drivers use standard pump Diesel,

DPF blocking will happen if there is a fault in the regeneration system or, because many people buy Diesel cars based on poor advice then use the vehicle primarily for short journies that don't allow the DPF to reach operating temperatures. This has nothing to do with the base fuel or its price.
That’s your understanding of the ‘ problem ‘ not mine.
 
I have used all 3 recently in my W204 c220 cdi just as an experiment to compare them and to be honest I haven't noticed any difference between them all and standard diesel on MPG on my daily commute I am getting between 47-53mpg,i find I get more miles out of my tank on BP ultimate but I never run it too low, the Esso fuel is about the same as the BP and the shell v power sets to disappear quite quick but I find the car runs better on v power it appears more responsive and the engine is quieter on idle on the shell compared to the others, the shell is cheaper where I live at 132.9 compared to 139.9 for the other 2 the BP is more convenient as the garage is just a few hundred yards from my work place and I pass it each day the shell and Esso stations are out of my way but I do have a discount card for Esso which brings it down to the same price as the shell v power so all in all its just down to personal preference really like people have said all fuel has to meet a certain standard its all about the additives really .
 
DPF units rarely clog due to bad fuel, you would also have clogged fuel filters if this were the case. They clog due to short journeys in low ambient temperatures which lead to incomplete diesel combustion. Ergo, you bought/were sold the wrong car for how you use it.

However, get ready for filter problems as the EN590 spec is being fully implemented before the year end (despite us leaving the EU) which means it will contain 7% biofuel again (most UK refineries took it out completely or reduced it to less than 4% after lots of filter plugging problems when it was implemented in early 2018). Biofuel is a bain of existence and will be the final death blow for diesel. Get ready for lots of filters looking like this regardless of the season:

Racor Prefilter  FAME diesel.jpg
 
I see that photo was taken of a tractor filter due to waxing of red diesel in extreme winter conditions, is that relevant ?
 
Cheap is a relative term comparing prices of similar goods, it is not a description of quality.

A DPF needing to be cleaned is not due to "cheap" Diesel. Which part of "All fuel sold in the UK meets a recognised standard and comes from one of the 7 UK refineries and is suitable for use in your vehicle" was not understood?

Think about it, If your assertion was correct there would be far more problems because the majority of drivers use standard pump Diesel,

DPF blocking will happen if there is a fault in the regeneration system or, because many people buy Diesel cars based on poor advice then use the vehicle primarily for short journies that don't allow the DPF to reach operating temperatures. This has nothing to do with the base fuel or its price.
I would have agreed with you up until last year when I had cause to take our 120d to a DPF specialist and got chatting to the owner about what causes the issues and he said during his 8 years of being open he’d never had a car in with DPF issues that had been ran on premium fuel.

Granted, the % of people who run premium fuel will be low but he had no skin in the game whatsoever, no reason to lie or embellish so it’s always stuck with me.
 
All great information, thanks for that i better take it out and boot it tomorrow and stop driving like an old girl :D thanks gang.
 
Get them up to temp drop a couple of gears and boot it along a straight or inclined straight and that derv will be right as rain.

All these additives are a loud of old boll.c.s I do give my van a good work out when the time suits and pulls like a train it does. Like our E320 CDI. Give it a good run now and again.

Worst thing for any vehicle not to be driven or given a good run now and then.
 

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