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Mercedes 300D Suggestions

2227 messages,  Last post on Nov 09, 2009 at 10:17 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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#13 of 2227 Location in IA by markkkusa Apr 04, 2002 (3:19 pm)
Oskaloosa, Iowa.
#14 of 2227 Difficulty with cold weather starts - oil by markkkusa Apr 04, 2002 (3:24 pm)
I know that oil viscosity plays some part in the difficulty with starting in cold temperatures.   I generally use 10-30 in winter months and 20-50 in summer months.   Someone suggested I go to 5-30 in winter since the lower viscosity should help with the starting. But, I have never been comfortable with 5-30 fearing it will break down rapidly - especially in a diesel engine which seems to be so much harder on oil than a gas engime.   Any thoughts on the oil issue?
#15 of 2227 Ah. by lancerfixer Apr 04, 2002 (4:56 pm)
I recently moved to Cedar Rapids...have NO clue where Oskaloosa is...
#16 of 2227 Ah continued... by markkkusa Apr 05, 2002 (7:26 am)
It wasn't long ago that I moved to Oskaloosa. The joke I tell people is...   Do you remember Radar O'Reilly from M*A*S*H ? Radar was the stereotypical small town boy from rural America. He was from Ottumwa.   I now live in a town that Radar would consider small !   (Oskaloosa is about 30 miles Northwest of Ottumwa and about 60 miles Southeast of Des Moines.)
#17 of 2227 Thanks all by autojunkyjosh Apr 05, 2002 (11:07 am)
Mark how much do you want for the 300SD, I am actually looking to buy another Mercedes. My latest find a 86 560SEL. My e-mail is monettajoshua18cs.com. Thanks for everything Mr. Shiftright. I am still open to suggestions.
#18 of 2227 any suggestions/warnings on a 87 300DT with 199K miles by frankiev Apr 15, 2002 (12:14 pm)
Hello everybody. I've enjoyed the discussion. I have an old bronco and a 10 day old son, hence I've been looking for a more family friendly car. I've come across an '87 300 turbo diesel with 199K miles. They say they have all the maintenance records and has had a recent engine overhaul (valves, timing chain, vacuum pump, drive belt, rear main seal)and new brakes. I live in Atlanta, GA so our winters are not that cold. Any recommendations or warnings? Thanks
#19 of 2227 by Mr_Shiftright HOST Apr 15, 2002 (12:30 pm)
That's a hell of a lot of miles. It may have life left in it, but I hope you are buying it very cheap. Even with an engine overhaul, the rest of the car still has 199K, as does the bottom half of the engine. I'd certainly drop the transmission oil pan and have a look, and lift the car and check the front end, driveline and rear CV joints. These are rugged cars, and not too hard to work on, but not cheap to fix either. Oh, check all the heat and a/c functions thoroughly. Play with everything electric 10X.
#20 of 2227 #14 - oil by markkkusa Apr 17, 2002 (8:18 am)
Mr. Shiftright, when you have time please comment on my oil questions in #14 above? Recently someone recommended that I use motor oils available at truck stops (that are commonly used in semis). Thanks.
#21 of 2227 by Mr_Shiftright HOST Apr 17, 2002 (12:21 pm)
I'm no fan of 5 weight oils, no. I think a 10-40W is just fine and especially oils formulated for diesels.. There are additives and block heaters for easier diesel starting, I would not risk using oils that try to do too much at once. Your little diesel is not a Peterbuilt. Those engines are HUGE. They have a lot more friction to contend with and lots more oil capacity to churn through on cold starts.
#22 of 2227 Mercedes 300SD by montaig Apr 27, 2002 (11:14 am)
I'm a newcomer to this forum & to Mercedes Benz. Any advice would be most welcomed. Presently I am in the market for an older sedan. Aside from the price of a new MB, I truly much prefer the classic look & style. Today I drove a 1979 ~ 300SD with 119,000 miles. The dealer was asking $8,900, and when I did some research, this appeared to be way out of line. What do you suggest?   Another thing ~ after reading all of the discussion about start-up difficulty in the winter, I am now feeling somewhat hesitant, because I live in PA!!

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