S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Esp road test

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Old 09-23-2021, 05:47 AM
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W221 s550
Esp road test

I wanted to do esp road test but no success. Now whenever I press esp off the light flashes a bit then disappears. It supposed to stay lit untill I finish the test. Any idea?
thanx
Old 09-23-2021, 08:55 AM
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2007 S550 4Matic

Old 09-23-2021, 12:21 PM
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The problem is that the esp light should stay on. But in my case it flashes and disappears immediately before even start the test.
Old 09-24-2021, 09:42 AM
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Just stricly follow the road test procedure then you will success.
Old 09-24-2021, 05:03 PM
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FIXED

Ok. The problem was I did not put the car on flat ground ( check by putting gear to N release the barke, car should not move) . Our roads looks to be flat but really they are not. That why ESP light will flash and wont stay steady.

Thank you for the help.


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