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Its stuck or the spring is sprung. Remove the panel and access the belt and see what the problem is. Most times (98%) the belt is stuck and only needs to be unstuck. If thats is not it then replace part.
P0420? Do you have this code if so most likely it is a pedal sensor. I believe it runs about $150.oo you should be able to pick one up on eBay. You might have an electronic throttle on that car. I would call Mercedes and talk to the service department and ask them they should tell you what you have. I am thinking it's one of those two things. Good luck
Sounds like the crankshaft position sensor needs to be replaced. They are a common problem with the Mercedes. That sensor is the one that the engine control module looks at to see if the engine is running. When they get hot and stop producing a signal the engine control module thinks the engine is not running and shuts of the fuel. After waiting awhile they cool down and the vehicle will start up again. I've changed many of them when I worked at the dealer. Tricky part is when there working and the car is running there will be no check engine light on or code stored. Usually will only have the code when the car won't start. Let me know what you end up finding out on it but that would be the first place to look and probably the cheapest.
start the car, if stop like after half an our to one our, and then after one our again start fine and can drive another 15 minute, again same thing happen and continue the same. is the problem same in your car, faulty crank angle sensor replace crank angle sensor,
Not sure where you can find a picture besides a repair manual, but the sensor is located on the pass side of the car below where the lower radiator hose hooks up to the engine, look straight down you will see a sensor with three wires going into it, two 10mm bolts hold it down.
Do you have 95 or 98 octane where you live? The airport? I'm sure it will burn just fine, most race cars use it, at $14 a gallon. I would run any gas in there as long as it didn't ping or knock. The book calls for 91 octane, and I just read an article that we are wasting our money on it, because if the lesser octane gas doesn't ping or knock, use it! Hope this helps.
i have a 2000 clk320. it would not start sometimes, the engine would crank but it wont start. but after an hour or so it would start. sometime i'll get somewhere park, and come out an hour later and the engine would not start. if your having the same problem, take it to autoparts store ex: autozone or kragen. they could check your battery for free. and if its not the battery. than it could either be your fuel pump. or the crank position sensor. good luck. hopefully this help.
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