Date registered: Jun 2005
Vehicle: W124/230E, W202 C240 stationwagon, W210 E280 facelift
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RE: Stupid people.........
I got information about this case, its about that time the new engineM111 evolution was first introduced to China market. What happened was that when the engine was started at cold temperature the "Check engine" light comes on.
Cause was that the engine ecu was sensitive to the slightest diference in combustion and producing this fault, they said the fuel grade in China market was not up to specs. (slight misfiring on the negine, restart the engine and the misfire is gone, but CE light still on.)
The remedy for this problem was a recall and replacement of ECU with a less sensitivity of the cumbustion during cold starting and problem was resolve.