What kind of wiring is on a C280?
Take the cover off where you would replace the spark plugs to see the three wires (on a C280) that lead to the 3 coils. These wires are 12V DC, and are the most common failure points. Picture 1 is a view of the part of the harness on my car that failed.
How many wires are in a Mercedes engine harness?
Other Mercedes or Non-Mercedes harness- please contact me for a quote. Engine harness rewire is very labor intensive process. Some harnesses have around 400’ of wires to replace.
What kind of wiring does Mercedes 92 500SEL use?
On 92 500SEL I used heat resistant wiring, heat shrink tubing, friction tape, epoxy. The job was very labor extensive and took me around 8 hours. Some plugs could no be saved as plastic was very brittle. Metal contacts were reused and new wires soldered directly to them. Finished harness looked close to factory and worked without any flaws.
Why is my engine wiring harness cracked on my Mercedes?
The engine wiring harness suffers from a cracked insulation in several places, including connections to the ECU. You’re better off replacing the darn thing. The engine wiring harness suffers from a cracked insulation in several places, including connections to the ECU. You’re better off replacing the darn thing.
What was the defect in the Mercedes wire harness?
The Defect… Mercedes-Benz made an engineering blunder of gigantic proportions when it decided to use an inferior and unsuitable material for the insulation on the electrical wires of their vehicles. This insulation prematurely disintegrates under normal use causing the wires it is designed to protect and insulate, to short causing many problems.
What should I do if my engine wiring harness is not working?
Connect everything back up, making sure to have the air tube that crosses over the engine back in place, and then start her up. She should fire on all cylinders now, but if she doesn’t then just jiggle the two wires around a bit near the plug and rubber until it works.
How long does it take to make a c-280 harness?
Made a new harness for my C-280, used the original connectors, spliced the wires (automotive heat ressistent) next to the plugs (connections) with solder and heat shrink tubing, took about 4 days to complete the project, car started on the first try, no trouble codes present, car is performing GREAT, car now has a steady idle of 550 rpm.
The Defect… Mercedes-Benz made an engineering blunder of gigantic proportions when it decided to use an inferior and unsuitable material for the insulation on the electrical wires of their vehicles. This insulation prematurely disintegrates under normal use causing the wires it is designed to protect and insulate, to short causing many problems.
How are the wires connected to the engine harness?
The main engine harness is a series of wires that connects all of the motor’s electrical components. There are several wires, all of which are bundled together in a wire loom and electrical tape. Specific areas, such as the fuel injector clips, have plastic pieces that properly route the wires to its proper location.
Are there any exact OEM reproduction wiring harnesses?
Our Original Design Series™ wiring harnesses are manufactured exactly as the wiring was made when your vehicle left the factory. These harnesses are made to the exact O.E.M. (original equipment manufacturer) specifications, using the original factory blueprints, and are factory-correct in every way.
What are the symptoms of a bad ECU?
Many other symptoms may occur that can drastically lead to an ECU failure such as: 1 Erratic idle 2 Stalling 3 Poor running condition 4 Excessive fuel usage More
How can I repair my engine wiring harness?
… As requested by several people, here’s a short DIY to repair your engine wiring harness so you don’t have to spend $800-$1500 to replace it. Take the cover off where you would replace the spark plugs to see the three wires (on a C280) that lead to the 3 coils. These wires are 12V DC, and are the most common failure points.
Take the cover off where you would replace the spark plugs to see the three wires (on a C280) that lead to the 3 coils. These wires are 12V DC, and are the most common failure points. Picture 1 is a view of the part of the harness on my car that failed.
Made a new harness for my C-280, used the original connectors, spliced the wires (automotive heat ressistent) next to the plugs (connections) with solder and heat shrink tubing, took about 4 days to complete the project, car started on the first try, no trouble codes present, car is performing GREAT, car now has a steady idle of 550 rpm.
Other Mercedes or Non-Mercedes harness- please contact me for a quote. Engine harness rewire is very labor intensive process. Some harnesses have around 400’ of wires to replace.
… As requested by several people, here’s a short DIY to repair your engine wiring harness so you don’t have to spend $800-$1500 to replace it. Take the cover off where you would replace the spark plugs to see the three wires (on a C280) that lead to the 3 coils. These wires are 12V DC, and are the most common failure points.