Question about 1988 Mercedes-Benz 300
Could well be a balance weight on the inside rim of wheel just catching the brake caliper, take wheel/s off and look for signs of rubbing on the wheel and the caliper , the caliper will be the highest point so would be the part that i'd expect to come in contact with something
Posted on May 17, 2014
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Posted on Jan 02, 2017
First the sensor in the rear gearbox may be bad or corroded for sensing wheel speed. Also the engine wiring harness may be falling apart. From 1991-1995 the US made MB use biodegradable material on the wiring. When the insulation cracks you get shorts in the system. The same wires are in your EHA on the air inlet area. Check and replace as needed.
Posted on Jun 16, 2009
remove center console lower wood and switches, remove ash tray, remove 2 screws to remove ash tray unit. Pop off face of radio, push in plastic tabs holding radio in console and pull unit out.
Posted on Jul 07, 2009
I had the same problem, my car would not start after parking it on the street. I followed protocol by checking vital components like spark to the plugs - OK had spark ...next was there fuel to the injectors - not sure because plug should be wet...but where dry. This can be misleading because injectors are mechanical and opens with vacuum from compression. Then I checked the two fuel pumps and one was bad, so I replaced both with a fuel filter also. The fuel relay was fine but I replaced it anyways. Now you would think it would start but no go.
At this point I was confused so I double checked all the connections electrical, fuel and so on. Luckily I stumbled onto a vacuum hose that connects from the IAC valve to the bottom of the fuel distributor that was disconnected. Wow the car started and the car is running fine, or even better. I think my problem was a combination of a bad fuel pump, vacuum leak and neglect. So try checking some of the things I did and maybe it will fix your problem.
Posted on Sep 29, 2010
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