• Hi Guest !

    Welcome to the 500Eboard forum.

    Since its founding in late 2008, 500Eboard has become the leading resource on the Internet for all things related to the Mercedes-Benz 500E and E500. In recent years, we have also expanded to include the 400E and E420 models, which are directly related to the 500E/E500.

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    Sincerely,
    500Eboard Management

rough cold idle

  1. 400Erik

    400E low idle/stalling especially when cold

    Hi guys, I recently experienced some problems with my 93‘ Euro Spec 400E when starting it in the morning. When it’s cold it either jumps directly to 700rpm with the ASR light coming on directly, or it stalls and after it had like 3-4 starts it establishes idle below 500rpm close before cutting...
  2. T

    1994 E420 parked for 6 years and coming back to life. Many questions

    Hello all, Thank you for having this fantastic forum. I have been poring over many many informative threads and guides as I have been working on a new to me 1994 E420 with 154k miles. I bough the car in May 2022 after it sat in a persons front yard for 6 years without being run. I towed it home...
  3. owenj99

    400E Bad Misfire After Idling When Cold

    Hi Everyone, I believe I have a sort of "odd" issue among the M119 ignition system. I've done a lot of looking through the forum and cannot find anything that is similar to what I am experiencing for both the 400's and 500's... Since the colder weather in Maryland has started (and even since we...
    • owenj99
    • Thread
    • 400e cold misfire electrical ignition m119 misfire random misfire rough cold idle rough idle wiring harness
    • Replies: 24
    • Forum: 400E / E420 Discussions
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