Question about Mercedes-Benz 300-Class

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Looking for a diagram for my 87 mercedes 300e for the high and low valves to convert the a/c from R-12 to R-134.

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Mercedes 2000 E20 shuts off on me why


Mercedes have a bad rep for low amp alternators. 70 amps in my 87 300e, not enough to run headlight, windshield wipers, AC, and high amp stereo at the same time on short trips. Really, worse than that. What I read was that many have switched to much higher amps in alternators, mostly from GM cars, up to 200 amps.

Aug 12, 2014 | Mercedes-Benz E-Class Cars & Trucks

1 Answer

Location of idle control valve 89 mercedes 300e


The 'idle control' on the 300e is bolted to the second intake tunnel and is a large zylinder with a 2 pole wire connection on one end and a hose connection on the other end. It is NOT ADJUSTABLE.

Apr 11, 2013 | 1988 Mercedes-Benz 300

1 Answer

Need vacuum system diagram for 1992 mercedes 300e


Big breather from valve cover to air cleaner, the small vac line runs from there to the FPR.



These next are standing in front of the car:

Intake manifold lower outer runs to EZL

Intake manifold lower inner (right side) goes to switchover vac valve on driver fender. The other side of this vac valve goes to the throttle body

Intake manifold lower inner (left side) goes to switchover vac valves on passenger side fender. These then go back to the EGR valve once making a loop under the distributor cap for whatever reason.

Intake manifold rear runs to a 'three' way valve (or 'Y' connector) on the secondary firewall. This is usually a vac leak.

Jan 20, 2013 | 1992 Mercedes-Benz Mercedes Benz 300 Class

1 Answer

Need diagram for serpintine belt for 1993 mercedes 300E


The ancillary serpentine belt routing diagram for a 1993 Mercedes-Benz 300

tdisline_595.jpg

May 30, 2011 | 1993 Mercedes-Benz Mercedes Benz 300 Class

1 Answer

1987 model 300E the engine stops when the transmission is put gear. The engine idles at about 650 rpm


More info is needed here, but the idle air valve is the first component that comes to mind, followed by vacuum leaks. Is this a '98 or an' 87? The post says both!

Feb 16, 2011 | 1998 Mercedes-Benz S-Class

1 Answer

87 Mercedes Benz 300E thumping issue.


I believe you have a transmission mount that is bad, possibly and engine mount. When you are shifting the engine will raise and bump the firewall, floorpan.
Good luck

May 20, 2010 | 1987 Mercedes-Benz 300-Class

2 Answers

Oil consumption


Not exactly a solution, but check your coolant bottle and see what color your coolant is. See if it looks like it is contaminated with oil or if it looks and smells fine.

Aug 06, 2009 | 1992 Mercedes-Benz Mercedes Benz 300 Class

3 Answers

LOCATE FUEL FILTER ON 92' MERCEDES 300E


There is an in tank fuel screen where the fuel feed line screws into the bottom of the fuel tank. The is also a convertional fuel filter which is located just in front of the rear wheel on left or right side depending on model. I have a wagon and mine is on the right side. There is a plastic panel that you need to remove with a 10mm socket and a long extention. There are three screws to remove before you can get to the fuel pump/fuel filter area.

May 28, 2009 | 1992 Mercedes-Benz Mercedes Benz 300 Class

3 Answers

Engine rough in low idle


I would start by replacing your automatic air intake and throtle body sensor. Check these 2 things out and let me know.

tepfy

Feb 27, 2009 | 1992 Mercedes-Benz Mercedes Benz 300 Class

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