• 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.

    We invite you to browse and take advantage of the information and resources here on the site. If you find helpful information, please register for full membership, and you'll find even more resources available. Feel free to ask questions, and make liberal use of the "Search" function to find answers.

    We hope you will become an active contributor to the community!

    Sincerely,
    500Eboard Management

ignition

  1. P

    Losing ignition gradually after warm up.

    My 1994 E420 starts smoothly and runs well for about 7–8 minutes and then begins to sporadically misfire. This continues to worsen until the engine stalls and will not restart. After an hour or so the engine fires up normally. I need some suggestions for diagnosing this. My experience says...
  2. 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
  3. C

    E500 is shaky when parked, spark plugs?

    Hello guys, I am probably the newest guy in your forum and very pleased for being here. I just recently bought an E500 Limited Edition 1995 in Mexico, yes! the only one here! it has 225K KMS a lot but not for the unbeatable W124. Before changing distributor caps, rotors, cables, engine harness...
    • cheinze
    • Thread
    • electrical ignition shaky sparks
    • Replies: 9
    • Forum: M119 Engine
  4. gerryvz

    HOW-TO: Replacing M104 coil pack & spark plug boot

    Recently, my wife's 1995 E320 wagon, which has 187K miles on it and runs perfectly, starting having a few problems: occasional difficult (stumbling) starting, particularly when not driven for 2-3 days one day, extremely rough running and rotten-egg smell coming from the exhaust The...
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