300E won't start

Asked by rdburke77 Oct 19, 2013 at 11:00 AM about the 1989 Mercedes-Benz 300-Class 300TE Wagon

Question type: Maintenance & Repair

Left on vacation for a week and returned and car wouldn't start.Checked fuel pressures,
spark, vacuum leaks, by passed fuel pump shut relay.Sometimes in the past it would be
hard to start if it was wet. changed plugs and cap.Spark at the plugs

1 Answer
6,675

Mick answered 11 years ago

Double check your leads, in my experience just because the lead creates a spark at the plug doesn't always mean a good spark, and fuel needs a good strong spark. Even the slightest split in the lead is a weak spark, change em. It may however be nothing at all to do with the leads. Are yopu getting good fuel delivery to the injectors? Any signs of damp around the fuel head, the gasket sandwiched between the 2 halves can deteriorate. You can strip this part but it's not advised, there's a lot of fiddly stuff in there.

4 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • 300E won't start 1 Answer

    Left on vacation for a week and returned and car wouldn't start.Checked fuel pressures, spark, vacuum leaks, by passed fuel pump shut relay.Sometimes in the past it would be hard to start if it was ...

    1989 Mercedes-Benz 300-Class 300TE Wagon

    -

    Maintenance & Repair

  • My Mercedes 300E won't start not long after getting a new battery. Starter? 2 Answers

    I got a new battery just over a month ago cause I definitely needed it and my car wouldn't start, but of course now it won't start again. I used to put in neutral and back in park and it'd usually st...

    1988 Mercedes-Benz 300-Class 300E Sedan

    -

    Maintenance & Repair

  • Won't Start 1 Answer

    I have spark, fuel, cranks good but won't fire. I checked injector spray pattern good. Good spark. Like a choked carb, could I be getting too much fuel? When I first checked plugs they were wet. Prio...

    1989 Mercedes-Benz 300-Class

    -

    Maintenance & Repair

  • Se300 won't start 1 Answer

    I have a 1992 Mercedes SE300 at first was overheating but as you drive it would level out then one day as I was driving on the hwy it started to over heat to the max as I was getting off the exit ...

    1992 Mercedes-Benz 300-Class 4 Dr 300SE Sedan

    -

    Maintenance & Repair

  • no start 2 Answers

    1986 300e gas car turns over but wont start i changed plugs wires cap rotor coil (used coil) fuel dist block checked all fuses any ideas?

    Mercedes-Benz 300-Class

    -

    Maintenance & Repair

Shortcuts

Search Mercedes-Benz 300-Class Questions

CarGurus Experts

  • #1
    James Ramond
    Reputation
    310
  • #2
    Paul
    Reputation
    300
  • #3
    Storm_2308
    Reputation
    260
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used BMW 3 Series
65 Great Deals out of 1,229 listings starting at $2,500
Used Mercedes-Benz 500-Class
1 listing
Used Mercedes-Benz 420-Class
1 listing
Used Mercedes-Benz G-Class
11 Great Deals out of 204 listings starting at $32,800
Used Mercedes-Benz SL-Class
10 Great Deals out of 141 listings starting at $13,869

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.