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Mercedes E350cdi Coupe for tuning

Discussion in 'Tuning, Styling and Performance.' started by GAD Tuning North, Sep 9, 2019.

  1. GAD Tuning North

    GAD Tuning North Senior Member Authorised Forum Supporter

    Messages:
    70
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    41
    Joined:
    Dec 1, 2014
    Location:
    Newcastle upon Tyne
    Your Mercedes:
    2014 c250cdi amg line
    This Mercedes E350 cdi was in today for tuning.

    the older 350cdi engines (231bhp) run Bosch cp10 ECU which still needs removal and tuning on the bench.

    stock power 231bhp & 540nm
    GAD power 300bhp & 720nm

    gains of +69bhp +180nm!!!

    EGR valve closed
    Speed limter removed
    massive torque gain
    gearbox reset ⚙️

    much better performance and great feedback from customer.

    0% finance on our tuning packages!

    For all enquiries, contact us;
    Mobile 07889628971

    E-mail; info@gadtuningnorthltd.co.uk
    Website; www.gadtuningnorthltd.co.uk





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    Wighty, SmartAmg and weds like this.
  2. SmartAmg

    SmartAmg Senior Member

    Messages:
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    816
    Joined:
    May 19, 2018
    Your Mercedes:
    2011 E class coupe 350 CDI
    Great gains. :)
    Nice motor. :D
     
    GAD Tuning North likes this.
  3. myromeo

    myromeo Member

    Messages:
    12
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    13
    Joined:
    Aug 30, 2019
    Location:
    Newcastle upon Tyne
    Your Mercedes:
    2012 CLS 350 CDI AMG Sport
    Nice gains, what torque!

    may I ask, what are the benefits of the EGR delete on the 350 CDI?
     
  4. OP
    GAD Tuning North

    GAD Tuning North Senior Member Authorised Forum Supporter

    Messages:
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    Joined:
    Dec 1, 2014
    Location:
    Newcastle upon Tyne
    Your Mercedes:
    2014 c250cdi amg line
    Yes so the EGR is a Exhaust Gas Re-circulation valve which diverts some exhaust gas back in to the inlet.

    ideally you want cool air in the inlet, the cooler & more oxygen rich the air the better the engine runs.

    by recirculating hot exhaust gas, the inlet receives already combusted air with less oxygen and plenty of carbon.

    as a consequence you also get carbob build up in the EGR valve and inlet.

    speaking from my own experience I have owned a C350cdi & E350cdi both with less than 60,000 miles on which I had a carbon clean and there was a considerable build up.


    so by closing the valve the car runs much better overall.


    kind regards


    Nass

    GAD Tuning North
     
    Last edited: Sep 10, 2019
    Wighty likes this.
  5. dry run

    dry run Senior Member

    Messages:
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    Joined:
    Aug 1, 2014
    Location:
    Portsmouth
    Your Mercedes:
    2013 C207 E 350 CDi Coupe
    Pardon my ignorance, but what then is the point of the EGR if the car runs better without it?
     
  6. V6Matty

    V6Matty Senior Member

    Messages:
    5,783
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    771
    Joined:
    Aug 1, 2012
    Location:
    Newark, Notts
    Your Mercedes:
    S212/10/E350(His) W169/2005/A180 (Hers)
    Emissions control, nothing more
     
    GAD Tuning North likes this.
  7. Blobcat

    Blobcat Moderator

    Messages:
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    3,907
    Joined:
    Feb 8, 2006
    Location:
    Near Grange Moor (not Wakefield...)
    Your Mercedes:
    R171 SLK280 3.0, Land Rover 110 County SW
    Exactly the same as AdBlue - car will run perfectly without it, but you'll be hung if the system isn't working...
     
    GAD Tuning North and V6Matty like this.
  8. fabes

    fabes Senior Member

    Messages:
    354
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    136
    Joined:
    Nov 14, 2015
    Location:
    Southampton
    Your Mercedes:
    E 350CGI Coupe
    or is found to be not working......

    Nice car, just like mine (except a diesel)
    Am still thinking about a remap :rolleyes:
     
    GAD Tuning North likes this.
  9. dry run

    dry run Senior Member

    Messages:
    843
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    490
    Joined:
    Aug 1, 2014
    Location:
    Portsmouth
    Your Mercedes:
    2013 C207 E 350 CDi Coupe
    God missed a trick. He should have made us so that if we farted 50% should be fed back into our lungs to reduce emissions and remind us of the sin we havew commited :)
     
    GAD Tuning North and Wighty like this.
  10. Wighty

    Wighty Senior Member

    Messages:
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    Joined:
    Aug 4, 2016
    Location:
    Sunny Essex
    Your Mercedes:
    W211/E320cdi/2009 and CLK200k 2009
    The people that are around you are the ones that inhale and therefore recycle your gases :eek::rolleyes: . Thank them for their environmental assistance :D
     
  11. myromeo

    myromeo Member

    Messages:
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    Joined:
    Aug 30, 2019
    Location:
    Newcastle upon Tyne
    Your Mercedes:
    2012 CLS 350 CDI AMG Sport
    Is it right that disabling the EGR causes the engine to take a little longer to reach running temperature? I use my 350 for a lot of short journeys so this would be bad
     
  12. LostKiwi

    LostKiwi Senior Member

    Messages:
    19,099
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    Joined:
    Aug 25, 2006
    Location:
    Midlands / Charente-Maritime
    Your Mercedes:
    '93 500SL-32, '01 W210 Estate E240, 02 R230 SL500 (Malcolm Spec), 04 Smart Roadster Coupe
    NOx reduction.
    NOx is one of the more harmful emissions from both diesel and (to a lesser extent) petrol engines.
     
  13. Jimbo1959

    Jimbo1959 Senior Member

    Messages:
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    Joined:
    Mar 22, 2018
    Location:
    Ayrshire
    Your Mercedes:
    E350 CDi Blue Efficiency Sport Coupe, fast, smooth, comfortable, what more does one need?
    Does by passing the EGR valve mean the car will no longer pass an MOT?


    Sent from my iPhone using Tapatalk
     
    V6Matty likes this.
  14. V6Matty

    V6Matty Senior Member

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    Joined:
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    Location:
    Newark, Notts
    Your Mercedes:
    S212/10/E350(His) W169/2005/A180 (Hers)
    If found to have been bypassed then yes, it would fail. If however it’s just via the current smoke/Co2 test then most cars will still happily pass without it closed, my previous 211 had 4 mots with a map, egr delete and Cat removal, it never came close to failing the test.
     
    Jimbo1959 likes this.
  15. V6Matty

    V6Matty Senior Member

    Messages:
    5,783
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    Joined:
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    Location:
    Newark, Notts
    Your Mercedes:
    S212/10/E350(His) W169/2005/A180 (Hers)
    Yes it would take a little longer and it’s a factor that you have to take into consideration, however, if your mainly doing short journeys then diesel with and egr/DPF is always going to have issues, they weren’t designed to do short trips. I don’t have that issue as 90% of my journeys were well over and hour in any direction.
     
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