DPF additives info please

Discussion in 'Engine' started by mbenz1, Mar 11, 2014.

  1. mbenz1

    mbenz1 Hardcore MB Enthusiast

    Messages:
    947
    Joined:
    Jul 27, 2010
    Car:
    '05 C220 CDI Avantgarde SE
    Hi

    We are currently almost in a done deal with a 2008 S320 CDI, which has a DPF, however before putting the payment down we just want some last minute advise on this topic. i checked with my local indie, and he told me about these additive type products, which aid the regen process,

    he said go for a motorway run once a month and add this additive (such as forte dpf cleaner) to the tank once a month also and you should be fine with you're everyday city driving type runs.

    i would like to know what is you're take on this? do these additives really work, and is this scheme of
    city driving + motorway run once a month + additive formula reliable enough? because the car would mainly be used for city stop and go short trips type driving.

    also could you please explain what is actually a good motorway run for reliable regen to take place, how long?, what speed?, non stop? etc

    advise would be much appreciated, as the car is great, it is only this DPF issue which is a bit doubtfull.
     
    Last edited: Mar 11, 2014
  2. ringway

    ringway MB Club Veteran

    Messages:
    6,320
    Joined:
    Nov 29, 2008
    Location:
    In a World of My Own.
    Car:
    Audi A6 Avant 3.0 Bi TDI Brilliant Car! Range Rover Supercharged. Audi Q7 4.2TDI. Also R32 & S4.
    You can regenerate by just revving and holding between (at a guess) 2500-3500 rpm whilst stationary which is how a STAR Machine carries out the process.
    Short runs aren't good for any engine. My 3.0V6 Vito did short runs before I bought it and the EML light kept showing. Had the DPF regenerated but it didn't last for long and I ended up having a new pressure sensor after which there have been no problems.

    I use Millers Power Sport in my Vito and also make sure the engine is put through its paces in the right places. The emissions on the last MOT were remarkably low.

    Our man Johnsco sells the Millers in bulk quantities at a very reasonable rate.
     
  3. flango

    flango MB Club Veteran

    Messages:
    10,991
    Joined:
    Jun 10, 2008
    Location:
    Gods own county
    Car:
    Mercedes SLK R171
    Forte additive is brilliant and works but as Ringway says use Millers Power Sport for diesel in every tank and you won't need the Forte will have a nice clean free revving engine for a long time. we stripped a BWM 530d that had been run on Millers all its life the engine internals were clean as a whistle at 109,000 it was amazing to the normal gunk you see with people who use cheap fuel and Oils. All my cars run Millers and I have never had a problem even on Volvo's whose DPF's are very sensitive and give in easy. Buy, use Millers, Enjoy :thumb:
     
  4. Mickybo

    Mickybo Hardcore MB Enthusiast

    Messages:
    254
    Joined:
    Feb 1, 2013
    Location:
    Northern Ireland
    Car:
    W212 E220cdi AMG sport
    Have the DPF removed and problem solved.
     
  5. kth286

    kth286 Hardcore MB Enthusiast

    Messages:
    2,923
    Joined:
    Feb 4, 2003
    Location:
    Caversham Berks
    Car:
    E320 Coupe
    Why buy a diesel for your type of motoring ?

    Surely a petrol is your answer ?
     
    1 person likes this.
  6. flango

    flango MB Club Veteran

    Messages:
    10,991
    Joined:
    Jun 10, 2008
    Location:
    Gods own county
    Car:
    Mercedes SLK R171
    as long as you have a friendly MOT Tester ;)
     
  7. OP
    OP
    mbenz1

    mbenz1 Hardcore MB Enthusiast

    Messages:
    947
    Joined:
    Jul 27, 2010
    Car:
    '05 C220 CDI Avantgarde SE
    :D i wish i could, it would make life very easy..thanks to that new law introduced last month it seems impossible now.

    thanks for you're input, however can someone shed some light on the DPF additive issue, and the fact that i am using the car for mainly city driving please.
     
    Last edited: Mar 12, 2014
  8. OP
    OP
    mbenz1

    mbenz1 Hardcore MB Enthusiast

    Messages:
    947
    Joined:
    Jul 27, 2010
    Car:
    '05 C220 CDI Avantgarde SE
    even i would prefer a petrol, however unfortunatley they are thirsty (S350), and very rare, so the 320 CDI would have to do.
     
  9. ricardo62

    ricardo62 Hardcore MB Enthusiast

    Messages:
    350
    Joined:
    Feb 22, 2013
    Location:
    ipswich
    Car:
    e320
    oh dear ive gt a 320 diesel and I use it 4 local deliverys , it hardly gets above 30 mph all day and wen I stop I leave it running while I deliver parcel , it is not switched off for 5 hours , looks like im doing exactly the opposite of whats recommended its all local work no fast roads just residential sometimes driving less than 250 yards between houses I hope im not storing up problems , its a v reg e320 diesel
     
  10. Chalpkin

    Chalpkin Hardcore MB Enthusiast

    Messages:
    267
    Joined:
    Oct 15, 2012
    Location:
    Surrey
    Car:
    2001 C320 Petrol Avantgarde
    Hi,
    Your car is far too early to have a dpf!
     
  11. ricardo62

    ricardo62 Hardcore MB Enthusiast

    Messages:
    350
    Joined:
    Feb 22, 2013
    Location:
    ipswich
    Car:
    e320
    that's good 2 know
     
  12. neilrr

    neilrr MB Club Veteran

    Messages:
    6,194
    Joined:
    Jul 20, 2004
    Car:
    Various.
    I'm pretty sure your Owner's Handbook will tell you not to add ANY aftermarket additives.
     
  13. brabD3S

    brabD3S Member

    Messages:
    41
    Joined:
    Nov 7, 2013
    Car:
    s204 cdi amg sport
    i have a 10 plate c220 cdi sport(d3s) and it only gets used for short runs (school run) i had dpf light come on as it was not regenerating due to the lack of use.
    i used dpf power clean from turbo diesel solutions uk it was the only 1 tuv approved i could find and german made.
    i used this with a full tank of fuel and took the car for a motorway run.
    they say run the car over 40mph for 20 min i did this for about half an hour around 70mph i actually seen the soot and ash come out of the exhaust on the motorway after returning home and restarting the car the light had gone out and car has been spot on ever since.
    its still only used for short runs.
    apparently the additive rises the burning temperature of the fuel forcing the car into a regen at any speed.

    hope this helps.
     
  14. Mickybo

    Mickybo Hardcore MB Enthusiast

    Messages:
    254
    Joined:
    Feb 1, 2013
    Location:
    Northern Ireland
    Car:
    W212 E220cdi AMG sport
    You can have DPF removed without anyone knowing any different, have the DPF taken out of the car and cut neatly open, then remove all the insides and weld it back up and it still appears that is is there as they only inspect that it is fitted, then have the car remapped for the removal of the DPF. My local performance tuners do it all the time when cars come in with blocked DPF's, problem solved forever.
     
  15. neilrr

    neilrr MB Club Veteran

    Messages:
    6,194
    Joined:
    Jul 20, 2004
    Car:
    Various.
    Wouldn't running the car for 20 mins @ 70 mph clear the DPF anyway, without adding the snake oil?
     
  16. flango

    flango MB Club Veteran

    Messages:
    10,991
    Joined:
    Jun 10, 2008
    Location:
    Gods own county
    Car:
    Mercedes SLK R171
    That's the way to do it, it has to be present but doesn't have to have any internals, another farcical feature of the MOT :wallbash:
     
  17. flango

    flango MB Club Veteran

    Messages:
    10,991
    Joined:
    Jun 10, 2008
    Location:
    Gods own county
    Car:
    Mercedes SLK R171
    Nope, you have to give it a serious high speed motorway run to regen the DPF. You have to remember the design of DPF is based on countries with higher motorway speeds than ours which suits regen, despite what anyone says a 20 minute 70 mph run will do nothing for the DPF, we had seen and replaced loads of failures even on high mileage motorway cars where the DPF had gone before 80,000. If you want to regen the DPF it needs a high speed long motorway run.

    I usually do mine on the way back from the curry night in Scotland, 247 miles in 2 hours 50 minutes, you can do the maths :D Never had to change a DPF on any of my cars :thumb:
     
  18. OP
    OP
    mbenz1

    mbenz1 Hardcore MB Enthusiast

    Messages:
    947
    Joined:
    Jul 27, 2010
    Car:
    '05 C220 CDI Avantgarde SE
    Thats good to hear. I have seen a DPF additive at Euro Car Parts for circa £12 - TRIPLE QX DPF Additive. It does the exact job as you mentioned about the additive you used.

    I would like to know, after you got your DPF system regenerated, did you still put the additive in the car and take it for scheduled long-runs?? Thanks
     
  19. OP
    OP
    mbenz1

    mbenz1 Hardcore MB Enthusiast

    Messages:
    947
    Joined:
    Jul 27, 2010
    Car:
    '05 C220 CDI Avantgarde SE
    This sounds very attractting but what if in the future the MOT regulation for DPF changes from just a 'visual' inspection to a proper inspection, that can verify that a DPF is actually fitted... Maybe this can be done by checking the exhuast temperatures, pressure or exhuast gas flow characteristics...
     
  20. Sp!ke

    Sp!ke Administrator Staff Member

    Messages:
    12,234
    Joined:
    Jun 2, 2002
    Location:
    West London
    Car:
    SL500 & The Fart Car
    or a smoke test.

    Actually you can tell if a DPF is fitted by simply looking at the tailpipe.
     

Share This Page

  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.