32 was the average over only the first 6,000 miles of ownership. That includes
a tank at 28mpg when I was fighting with summer fuel when I first bought it, so
there was alot of driving up and down my apartment complex street in 1st to get
the fuel warmed up. Then another tank at 26mpg when my Indy was replacing seals
in the IP.
So more recent tanks are much closer to 38, my rough calculation of today's
fillup is 37, It'll probably end up a little low, I put in a quart of motor oil
as a tonic when the tank was nearly empty. I'll put it and the two before it
into my spreadsheet tonight and see what that does to the average.
I'm also blowing out ALOT of crud from the previous owner. I've had those
instances where I left a huge smokescreen. Second oil change on my watch should
be this weekend assuming the filter arrives in time.
-Curt
'85 190D "Dory" 241kmi
Date: Wed, 21 Jun 2006 16:28:40 -0400
From: Marshall Booth <[EMAIL PROTECTED]>
Subject: Re: [MBZ] **wiring harness on the W140 Diesel **
To: Mercedes Discussion List <Mercedes@okiebenz.com>
Message-ID: <[EMAIL PROTECTED]>
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Curt Raymond wrote:
> Is that all? I'd hoped for better since I'd been thinking of building
one someday. My 240D would average around 28mpg but that was almost
exclusively highway driving 80-90 miles a day.
>
> My 190D is averaging only a little better at around 32mpg but that
includes so bad tanks while it was leaking fuel dragging the average
down. I've only just gotten myself out of the habit of driving with the
pedal to the floor which in most cases the 190D doesn't need. I'm also
trying to decrease my average speed which should increase mileage.
>
> -Curt
Is your 190D an automatic? 32 is really quite poor unless it all city
driving. I ALWAYS drive my 190D 2.x s (5 spd or auto) with the pedal to
the floor!! That make remarkably little difference. Highway speeds much
above 60 will lower mileage, but on the highway my auto always did
better than 35 and the 5 spds better than 38.. It took a year or more
(20+kmi) after I switched to synthetic oil before they got there
though!
Had to blow out all the crud that was left from the previous owners I
guess.
Marshall
--
Marshall Booth (who doesn't respond to unsigned questions)
"der Dieseling Doktor" [EMAIL PROTECTED]
'87 300TD 182Kmi, '85 190D 2.0 161Kmi, '87 190D 2.5 turbo 237kmi, '84
190D 2.2 229Kmi (retired)
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Subject: Re: [MBZ] A/C problem on 126
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In a message dated 6/22/2006 6:21:47 A.M. US Mountain Standard Time,
[EMAIL PROTECTED] writes:
The air is not really getting warmer and I can still hear the blower
motor running, but I am not getting good flow from the center vents.
The symptom has not repeated itself in over a week. Perhaps it was just
too hot and I was pushing it too hard.
Donald,
This is purely a vacuum storage problem, could even be normal if your time
on the hill exceeds the volume of vacuum storage. Gas engines do not create
much vacuum with the throttle open like you are likely to have it on the hill.
The AC ducting default is defrost with no vacuum, so you will feel the air
discharge moving to the defrost outlets. I think it is a two stage actuator
so it may not shift 100% to defrost in the condition you describe. A small
vacuum leak in the storage circuit could shorten your time vs low vacuum hill
climb window. My 79's vacuum tank had a couple pin hole leaks that I found
with air pressure, then plugged with epoxy.
Further loss of vacuum might shut off the AC system entirely, as there is a
vacuum switch in the normal AC control circuit. Defrost bypasses the vacuum
switch for safety reasons.
But even at WOT, a gas engine should produce 3-5 inches Hg vacuum, about the
setting of the vacuum switch.
Down shifting will bring the vacuum up some so you have to decide what you
can live with!
Regards,
Jim Friesen
Phoenix AZ
79 300SD, 262 K miles
98 ML 320, 142 K miles
