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Mercedes 300D Suggestions

2231 messages,  Last post on Nov 11, 2009 at 9:21 AM

You are in the Classic Cars Forum. Your Host is mr_shiftright

What is this discussion about? Mercedes-Benz 300-Class, Engine, Fuel System, Diesel, Coupe, Sedan


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#2155 of 2231
Re: Mushy brake problem solved... Finally. [jameslei] by Mr_Shiftright HOST
Apr 08, 2009 (7:39 am)
Reply

Replying to: jameslei (Apr 07, 2009 10:33 am)

That's odd they wouldn't measure the rotors prior to replacing the master cylinder, but...oh well--I had presumed they checked that prior to giving you any further advice....but, what the hell, the car's back to normal, and that's great. Maybe that old master was tired anyway.
#2156 of 2231
Re: 85 300D climate control unit [brakeengr] by seh43
Apr 08, 2009 (6:03 pm)
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Replying to: brakeengr (Apr 08, 2009 5:58 am)

I had a friend check the motor, the brushes were shot. He is building new brushes, and he said everything else looks good.
 
Again, thanks
#2157 of 2231
300TD 1982 - Engine mounts & coil springs... by jameslei
Apr 13, 2009 (7:25 pm)
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I'm told that I need new engine mounts on my 1982 300TD. Odd, because I paid a garage to replace them only 2 or 3 years ago. But there was a problem with the engine not switching off recently and there was a whole lot of shaking going on for a while there. My question is:- Is it best to buy mounts (2 of them I think) from Mercedes Benz, or can you suggest an effective and cheaper alternative please?
Also, both of the coil suspension springs at the rear are broken - one quite near the top of the spring and one quite near the bottom. I never noticed until it was pointed out to me, so should I just ignore that fact? Many thanks.]
James.
#2158 of 2231
Cleaning by brillanze
May 11, 2009 (8:03 am)
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I want to clean the engine of my 1983 SD, as there is some accumulated grime, leaves, dirt, etc. Any suggestions on things to be careful of, watch out for, etc?
#2159 of 2231
Re: Cleaning [brillanze] by Mr_Shiftright HOST
May 11, 2009 (8:17 am)
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Replying to: brillanze (May 11, 2009 8:03 am)

Not much to worry about but of course you have to keep the hose out of electrical boxes.
 
Diesel grime is pretty nasty stuff. You might consider a stiff brush and Simple Green to loosen all the dirt and grime and then just a brush and warm water to rinse it down. I'm not keen on high-pressure sprays.
#2160 of 2231
1987 300d turbo by waylandchen
May 15, 2009 (11:47 pm)
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i have some issues with my 300d.
 
when i accelerate, i can hear a rattle through the vents in the front. i fuond out that when i push the shiftknob down alil, but not so much to switch gears, the rattle subsides.
 
also, my transmission is kinda "loose." (is there a correlation?) when i shift from d 3 2, it feels as if i did not shift gears or the click is very faint. occasionally it feels like a jerk rather than a click. doesnt sound normal though. sometimes when i make a turn, i hear a click from my shift knob. ... anything wrong here?
 
when my car runs on the road, i can hear some squeaks near the rear tires. its getting quite annoying and the sound mostly originates from the rightside. what is the cause of this? is it repairable?
 
my air conditioning does not work..the heater (red area) works fine but the cooler (blue area) does not.. i can feel the outside temperature coming in but its not cold on hot days.anyway i can fix this?
 
the handles that i use to close the doors when im inside the car is coming off. is there anyway to reglue or replace this problem?
 
im only 20 years old and got this car as a gift. i rarely check up this car for issues. given the age of the car, is there anything that i should check on constantly to ensure proper functioning?
#2161 of 2231
turning on key to start position encounters a stop (block), alternator and by benzsilver
May 16, 2009 (6:47 am)
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I have 4 issues concerning my MB 300CDT, which i think may be related to poor judgement on my part. 1) i found a pair of keys that i could not identify as to which vehicle they belonged to. I tried it first on my benz as the appeared to be the same as my benz key. First I tried one in the door keyhole. the door did unlock with the found key. then i tried one in the ignition. It two turned on until the alternator and glow plug lights came on. I did not turn it far enough to actuall engage the starter as I was satisfied that the keys that i had found were for the benz. To satisfy my curiosity i went ahead and tried the keys in my 2000 s-10 chevy. to my amasement the key did unlock the s-10 but would not turn on the ignition. i told anita of my discovery. The next day I wanted to drive the benz. It is a 1984 MB 300 CDT. I turned on key to start and the key just hit astop when it got to the start position. I noticed that the glow plug light indicator and alternator light as well as the fuel and battery indicators did not light up. I thought What has happened? to my self. The door buzzer was working and the headlights worked, the signal lights however, did not work. I thought it must be a fuse. On checking the fuse box I discovered that fuse 14 had melted or heated up and blown. I changed the fuse, But that did not have any effect on the problem with the ignition lights or allowing the starter to engage. Also, it seems that the locking mechanism on the steering wheel does not lock the steering wheel in place once the key is removed as in had been locking before trying the found keys. are all these problems related to one event, and where do I start (begin) to isolate or tract down the problem so I can once again enjoy driving my benz. Thank you Bill
#2162 of 2231
Re: turning on key to start position encounters a stop (block), alternator and [benzsilver] by Mr_Shiftright HOST
May 19, 2009 (6:10 am)
Reply

Replying to: benzsilver (May 16, 2009 6:47 am)

I can tell you that using a "made" key -- that is, one cut from a blank by a machine, often will not work in these cars and can in fact screw up the lock mechanism. If you can find the factory key that you've used for years, that might clear up the problem. If you don't have a factory key, then you may have to replace the entire lock cylinder at the locksmith, or if you have the repair manual, you can order the lock from Benz and do it yourself.
 
As a long shot, buy some graphite lock lubricant and work the key and see what happens. Sounds like some of the pins in the lock are jammed.
#2163 of 2231
Re: turning on key to start position encounters a stop (block), alternator and [Mr_Shiftright] by benzsilver
May 19, 2009 (6:36 am)
Reply

Replying to: Mr_Shiftright (May 19, 2009 6:10 am)

thanks for your response, i shall immediately buy some graphite and work the lock. Question, would this situation have caused fuse 14 to melt or blow? the legend in the fuse box cover for #14 is not totally specific to this area. please comment, Mr Joe, Thnnks, Bill
#2164 of 2231
Re: turning on key to start position encounters a stop (block), alternator and [benzsilver] by Mr_Shiftright HOST
May 19, 2009 (6:39 am)
Reply

Replying to: benzsilver (May 19, 2009 6:36 am)

Horns, rear defogger, heated seats.
 
These kind of things could easily be blowing fuses for reasons unrelated to the ignition switch.

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