My car laguna 2000 modeel stop after 5-10 min run.and start working after 10 to 15 min wait.

try this ?= renew the throttle fly by wire control inside the the car ,they go just like the way you describe ,car runs then just stops ,leave and it goes again ,trust me been their got the teashirt on this one ,some customer paid out over 2000 euros to a renault garage for the same fault and it was still the same till a little bird told me what to change ,with one from the scrappers it been ok ever since

Do you have normal fuel pressure at the injectors ?

ck electric side of key switch may be over heating and then cools off and runs again, relay can also do this. then ck anti theft.

What fault codes do you have if any? What is the ECT sensor reading hot?

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.

Dear Sir,
As you said your car stop after 10-15 miles run.and start working after 10 to 15 min wait.
It can occur due a part or unit which defer working according to temperature. it means it stop working when it got hot and start working when it get cold. this type of parts are motors which have winding unit inside it, which can stop working in high temperature, it will not happen if they are good working condition but if that is got short then it can happen.
In your case cause is the fuel pump which is in fuel tank,Till it is cold it supply the fuel to engine but after few miles run it stop sending fuel to engine ,after wait for 10 to 15 it again start sending fuel to engine when it get cold.
Fuel pump will solve your problem. if any issue please let me know. Thanks.

Yogesh

I had the same problem. Turns out,( and I didn't believe it when I was told) but, my problem turned out to be cheap (inferiour) plugs and wired. I was reccomended to use NKG plugs and Borg-Warner wires.

I start my car it runs for about 15 min then dies then wont start again I charge the battery complete then start runs and idles good but dies in 15 to 20 min. I think it might be altenator

sounds like the sensor module

try instant radio codes dot co dot uk unfortunately this will cost about 15 quid hope this helps