W208 430 vs 320 throttle body and injectors

Discussion in 'General Discussion' started by GingerAlyx, Apr 25, 2017.

  1. GingerAlyx

    GingerAlyx New Member

    Messages:
    20
    Joined:
    Apr 2, 2017
    Car:
    CLK 430 1999 W208 Convertible
    Any idea if they are compatible???

    Need a new s/h TB and hard to find a 430 one that isnt stupid price... but easy to find a 320 one around £30

    Also are the injectors the same???


    Im doubtful that they are the same... but you guys seem to know what i dont so thought i would ask!

    Suns out... cars away :(

    Cheers guys...

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  2. Charles Morgan

    Charles Morgan MB Club Veteran

    Messages:
    8,207
    Joined:
    Feb 2, 2010
    Car:
    Mercedes 250CE W114, Alfa Romeo GT Coupe 3.2 V6
    Injectors are definitely different - MB 1130780049 / Bosch 0280155721 for the 430 and MB 1120780049 / Bosch 0280155471 for the 320.

    Throttle bodies have different part numbers too - I'd be very surprised if they are the same or compatible - the V8 is 33% larger so the air flow will be commensurately higher too.
     
  3. OP
    OP
    GingerAlyx

    GingerAlyx New Member

    Messages:
    20
    Joined:
    Apr 2, 2017
    Car:
    CLK 430 1999 W208 Convertible
    Thank you very much!!!!

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  4. OP
    OP
    GingerAlyx

    GingerAlyx New Member

    Messages:
    20
    Joined:
    Apr 2, 2017
    Car:
    CLK 430 1999 W208 Convertible
    Any way to check if the throttle body is faulty?? Cleaned it with carb cleaner as in soaked it to get all the crud off and think ive fecked it :( opens up slowly when come off the pedal :( throttle wire has slack... havent touched the tps.. didn't have the problem before...

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  5. grober

    grober MB Club Veteran

    Messages:
    27,247
    Joined:
    Jun 22, 2003
    Location:
    Perth, Scotland
    Car:
    W204 C200CDI Estate
    If there were O rings/seals on the throttle plate spindle they may have gone soft/sticky with the carb cleaner?
     
  6. OP
    OP
    GingerAlyx

    GingerAlyx New Member

    Messages:
    20
    Joined:
    Apr 2, 2017
    Car:
    CLK 430 1999 W208 Convertible
    Tis what i am thinking... it doesnt *stick* open.. more like revs up slowly and you can see the plastic bit on the side turning slowly open...

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