MB does not provide manuals for the consumer. The have used microfiche which is very expensive and only a professional mechanic could justify the expense. A mechanic agreed to let me copy the microfiche for my car. Don't waste your time trying to do like I did.
The best source is Alldata. This is an online manual that some mechanics use. One year is around $14. Or, you can buy the CD for your car on eBay. I have done this a couple on times and have never gotten a CD that was completely helpful.
Good luck
GS
The SE is the W126 body style. The 300E is the W124 body style.
Ebay is your best bet.
The question you ask is too involved for a proper answer. You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.
I was told it is on the top to the bell housing
it is right under the glove compartment
Any place that sells rims can tell you exactly what kinds of wheels will fit.
The 1986 Mercedes Benz 300E typically requires 10W-40 or 15W-40 engine oil, which is suitable for a variety of temperatures. It’s important to use high-quality conventional or synthetic oil that meets the required specifications for optimal performance. Always check the owner's manual for specific recommendations and any updates on oil types.
The blower motor resistor on a Mercedes 300e is located beneath the blower motor on the Mercedes 300e, if ever it needs replacing.
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The relay is a black retangular box located between the battery and the firewall.