S420 rough idle, hard starting, help - Mercedes-Benz Forum

LinkBack Thread Tools Display Modes
post #1 of 2 (permalink) Old 09-26-2009, 04:19 PM Thread Starter
BenzWorld Newbie
Date registered: Sep 2009
Posts: 3
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
(Thread Starter)
S420 rough idle, hard starting, help

can anyone help, 1999 S420 rough idle, hard starting. changed air filters and fuel filter. no better
thanks awa1201
awa1201 is offline  
Sponsored Links
post #2 of 2 (permalink) Old 09-29-2009, 07:09 PM
BenzWorld Junior Member
Date registered: Jul 2009
Posts: 6
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
If it is hard to start only when hot and chuggs for awhile once started it will be the acumulator(not sure on correct spelling) . hope this helps had the same thing on a 190e and have seen it on a SCL380 as well.
ntbenz is offline  
Sponsored Links

  Mercedes-Benz Forum > General Mercedes-Benz Forums > General Mercedes-Benz

Quick Reply

Register Now

In order to be able to post messages on the Mercedes-Benz Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


  • Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
    Thread Tools
    Show Printable Version Show Printable Version
    Email this Page Email this Page
    Display Modes
    Linear Mode Linear Mode

    Similar Threads
    Topic Author Forum Replies Last Post
    Misfire/Rough Idle 97 S420 kxmills W140 S-Class 11 01-17-2011 09:54 AM
    Rough Idle in my 97 S420 benzgirl13 W140 S-Class 6 06-02-2008 07:34 AM
    S420 rough idle and codes hermanpat W140 S-Class 24 09-07-2007 06:28 PM
    Misfire/Rough Idle 97 S420 kxmills General Mercedes-Benz 5 01-27-2006 12:22 PM
    Rough Idle and hard starting Niz W126 S,SE,SEC,SEL,SD,SDL Class 2 05-21-2003 12:37 PM

    Posting Rules  
    You may post new threads
    You may post replies
    You may not post attachments
    You may not edit your posts

    BB code is On
    Smilies are On
    [IMG] code is On
    HTML code is Off
    Trackbacks are On
    Pingbacks are On
    Refbacks are On


    Title goes here

    video goes here
    description goes here. Read Full Story
    For the best viewing experience please update your browser to Google Chrome