How do you start a 407D Van??! - Mercedes-Benz Forum

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post #1 of 4 (permalink) Old 01-26-2008, 11:37 PM Thread Starter
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Question How do you start a 407D Van??!

My apologies for looking so stupid however I am after some help. My friend has said I could use his 407D van to move some furniture while he is away in the states at the moment. (The sofa won't fit in the SLK!!)

I've driven vans before so no issue there - my simple problem is how do you start a 407D?

It's a 25 year old 407D and as far as I can see there are the following options. You can put the ignition key in and turn it but that does nothing. To the left of that is a big knob / dial that looks like you can pull it out and twist it. Is that anything to do with it or is that the choke or something? I'm lost.

Didn't want to expirement with what I didn't know! If anyone can help then would really appreciate it.

PS - I take it switching the engine off once you've started is more simple?!
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post #2 of 4 (permalink) Old 01-27-2008, 12:00 AM
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So long since I've driven one of the kind, cannot remember how it even looks like. This old vans should have a separate pre-glow/start/stop switch, so it likely isn't just a dead battery. The stop switch could be a separate one too.

A photo could help but a switch that can be pulled and turned sounds more like an idle rpm adjuster.

If the ignition switch turns all the way clockwise and stays there, then the starter switch should be somewhere else. Put ignition on and try other (biggish) switches that would ignite the starter. If you find one, you should probably stop and do it again to pre-glow first and then start.

If it has a separate stop switch, that one may stay at stop-position and the car would not start even if the starter works. If it sounds like this, look after a stop switch and push it off.

I guess you did not find the manual anywhere from the van?

I had a look at the parts figures, looks like there would be two options for the cluster, in any case based on the parts figure the pre-glow/start switch is likely the one you found, idle rpm may be combined on that. The parts figure does not show it but it probably stops from the same switch.

Last edited by Diesel Benz; 01-27-2008 at 12:29 AM.
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post #3 of 4 (permalink) Old 01-27-2008, 11:45 AM
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I once owned a 220D 74- To start it i had to pull a big knob on the dash. first i pulled the knob half way out to heat the glow plugs for 30seconds, then all the way out to engage the starter. turning the knob adjusted the idle.. As for stopping the engine m memor is alittle unclear, i think it was by pushing the knob or by turning the ignition key.
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post #4 of 4 (permalink) Old 01-27-2008, 04:04 PM
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I had similar dilemma helping a widow to move an older van, that I was posting here for sale. The one I was dealing with had direct injection on only 30+ years old engine.
Meaning no glow plugs. After the same deal with ignition key not turning the engine, I discovered push switch on the dashboard. Than how do you kill it? Turning the key is turning the lights off, but the engine still runs. On the center of the dashboard there was a big knob with kind of wings. It is a "throttle" When you push it all the way down it is killing the engine. To start the engine you need to pull it up a notch and when the engine starts you can adjust high idle with it. Sounds like you have already found something similiar.

Last edited by Kajtek1; 01-27-2008 at 04:09 PM.
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