What causes a 2002 Mercedes C270 CDI to leak?
A 2002 Mercedes C270 CDI has an occasional diesel leak, when the engine is cold, that makes a bit of diesel trickle down the front of the engine, what could cause this? What could cause a 2002 Mercedes C270 CDI to leak diesel down the front of an engine when the engine is cold?
Are there any problems with the Mercedes C270?
As is the case with every other model in this line, the C270 comes with its own range of amazing features and high quality specifications. Yet, customers have faced problems with this car from time to time. Some of these issues include gas leaks, air conditioning problems and trouble with cruise control.
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A 2002 Mercedes C270 CDI has an occasional diesel leak, when the engine is cold, that makes a bit of diesel trickle down the front of the engine, what could cause this? What could cause a 2002 Mercedes C270 CDI to leak diesel down the front of an engine when the engine is cold?
As is the case with every other model in this line, the C270 comes with its own range of amazing features and high quality specifications. Yet, customers have faced problems with this car from time to time. Some of these issues include gas leaks, air conditioning problems and trouble with cruise control.
What’s the problem with the Mercedes diesel injector?
Having rectified many ‘chuffing’ injectors and dealt with the famed ‘black-death’ on many sprinter engines and its close derivatives used across the complete range of Mercedes Diesel vehicles, I can honestly say that the hold down mechanism used to secure the injector in the head is definitely the engines number one Achilles heel.
What to use to clean Mercedes diesel injector seat?
Use a torch to inspect the injector seat in the cylinder head, it will likely be blackened and carbonised, this needs to be cleaned off and in severe cases re-cut to present a perfect sealing surface. I have in the past had great success using a wooden dowel, rather like the ones used on a valve grinding hand tool.
Why is the AC not working on my C270?
The AC not working is usually a problem of low system pressure so it should be fine once it is checked with a diagnostic tool. Why would the diesel fuel consumption suddenly drop in a Mercedes C270, 2003 model from about 33 mpg to about 26 mpg?
When did the Mercedes C270 model come out?
The Mercedes C270 belongs to the C-Class line of cars that was introduced by the company in 1993. As is the case with every other model in this line, the C270 comes with its own range of amazing features and high quality specifications.
Why does the cruise control not work on a Mercedes C270?
The cruise control in a Mercedes C270 works only up to 60mph. Any idea why? This occasionally happens if tire sizes are mismatched. Also, when driving with a mix of worn and new tires, the circumference difference can cause the cruise to cut out at a high speed.
How can I tell if my CDI machine is AC or DC?
Most machines (especially the newer they are) are AC. DC CDI boxes are larger than AC CDI boxes. The easiest way to tell if your machine is AC or DC is to turn on the headlights with the machine turned off and the ignition in the “ON” position. If the headlight comes on, it is a DC machine; if it does not, it is an AC machine.
How are the pins on a CDI 5 sorted?
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What causes vacuum leak in Mercedes Benz W210?
A faulty crankcase ventilation system can be seen by oil sludging on the oil filler cap, inside the valve cover or on the camshaft position sensor. A nonfunctioning crankcase ventilation increases the load of the engine oil due to organic nitrates.
Is there a problem with Mercedes BlueEFFICIENCY injector?
It takes no time at all to undo a hard-won reputation (as Mercedes have already found out once to their cost) and, despite Mercedes’ assurance that they are addressing this problem, Cars UK readers are not convinced. So what do Mercedes say? We asked them for a statement and received the following:
What kind of injector does Mercedes Benz use?
Mercedes use Delphi to supply the injectors and it seems they are unable to source sufficient parts to resolve the issues, with many of our readers reporting their cars off the road for months. True, Mercedes do seem to be offering loan cars to owners who have had more than one injector failure (surely they should be doing it for everyone?).
How can I find out if my injector is bad?
There are two ways to locate a bad injector without spending the money taking it to the dealer for a diagnosis. Start the engine and allow it to reach normal operating temperature. Check each cylinder temperature by taking the temperature of each exhaust manifold runner as close to each cylinder as possible.
How to check check engine light on Mercedes medic?
If you want to do more research then use Search function on Mercedes Medic or any other search engine to get a better idea of the problem. On any search engine enter the manufacturer and the code you got from the scanner. For example: Mercedes-Benz P0300
What are the common problems with Mercedes diesels?
Here are some common problems that affect many Mercedes-Benz diesel models including E350, ML350, GL350, R350, Sprinter, R320 CDI and BlueTec models. Common problems Diesel Particulate Filter. As Mercedes DPF traps and holds soot, with time it reaches a point when it needs to be ‘emptied out’. This is done by regeneration.
Where is the OBD II scanner on my Mercedes?
Here are some of the bestselling OBD II scanners on Amazon, several of them selling for under $15. Scanner plugged into the OBD II port right under the steering wheel, above the brake and gas pedals. LocateOBD II port. Look under the steering wheel, in the drivers footwell.
Where is the exhaust pressure sensor on a Mercedes?
In most cases, the sensor will stop operating. This will give a ‘check engine’ light and a corresponding code. This usually triggers limp home mode, so you can expect a noticeable loss of power. DPF exhaust pressure sensor is not expensive. It is located underneath your Mercedes, next to the DPF. It is relatively easy to replace.
What kind of car is 2003 Mercedes-Benz 270CDI?
2003/53 ML 270CDI (120,000Mls. Owned since 2008) Car was stood all last week. Not used at all Monday to thursday. But started immediately on Friday and drove fine all day Friday. If air was leaking in, fuel leaking out, wouldn’t that be more likely to have happened during that 4 days, monday-thursday and prevented starting on Friday?
Why does my CDI make so much idle noise?
Don’t know really but the CDI idle noise gets reduced from multiple injections per power stroke. A friend of mine told his CDI had a problem with the pressure sensor at the high pressure rail, if you take the wire off from the sensor, the system would not regulate the pressure down but would work at max injection pressure.
What kind of CDI does a 2003 Mercedes Benz have?
2003/53 ML 270CDI (120,000Mls. Owned since 2008) This morning it started and ran for 2 seconds but cut out immediately. Now it just cranks but won’t start.