1993 Mercedes-Benz Mercedes Benz 300 Class "plugs" Questions

could a faulty coolant temp sensor make the glow plugs run all the time on a 1983 Mercedes 300CD? No the glow plugs circuit is separate. They actually are on a timed delay shut off. Check the glow ...

Glow plugs Can anyone tell me if replacing the glow-plugs will improve performance the same as spark plugs do on non-diesel engines? Do glow-plugs serve any purpose besides car starting? no this will ...

Mecedes 1979 300D glow plugs do not glow 1. internal glow light does not come on. 2.  test light + battery to no1 outside of ceramic plug shows light. to inside of Ceramic disk on plug no light. ...

...cover on top of motor , pull wire and remove. Use Bosch F8DC4's as they are the correct plug. Plugs listed at most stores including Mercedes dealership give you a resistor plug which can fry

...use starter fluid on a glow plug diesel engine. (explosive) 2. Most likely 1 or more of your glow plugs is out. They are not too expensive and are fairly easy to change. Facing the engine, look on ...

...how do you check them and were are they located? Thank you.Jking Your problem is likely bad glow plugs or a bad glow plug relay. Glow plugs can be checked, basically, with a continuity test or the ...

car won't start because the glow plugs aren't glowing I need a wiring diagram for a 1979 mercedes 300d. The glow plugs have recently been replaced and the car would start for two weeks and then it ...

1985 Mercedes 300SD Glow plug light does not come on. 1985 300SD Glow plug light does not come on. Worked perfect one day and not the next? Tried another used relay switch and same problem??? Glow ...

...two plastic connectors are clean and on tight. There is one temp. sensor on the block. Near glow plugs 1 and 2. Make sure the connector is on tight. If the car starts after 5-15 seconds of glow ...

rough idle eventually smooths up after it warms up, then yes, you probably need to look at the glow plugs and/or glow plug relay