A190 Shows F on crank

[hellgrace5]

Hello,

My W168 A190 Auto shows F for 2 seconds when I crank it then show back to P after that but then car doesn't start.

This just happened suddenly.

No fault stored in ECM, FTC, GRM, ESP

What is going on

 

[grober]

Wonder if you need a new battery. Stored Voltage is now so low that when you crank the car over - {the voltage would normally drop at this point anyway}- some of the car's electronics are registering a low supply voltage fault? Modern cars are very sensitive to poor battery condition. How old is your battery?

 

[hellgrace5]

You might be right. I'll check the battery 1st thing tomorrow morning. Battery is 2 years.

P/S But the engine still cranks tho but it wouldn't start.

 

[grober]

try this site also. Albert Rowe, Lofty's homepage

 

[hellgrace5]

Thanks grober.

I had tried the site too and found no similar situation towards mine. Sigh.

 

[Howard]

Lots of info on the dreaded ' F ' .....

One of the reasons we own a manual A190.

Bert Rowe's-Mercedes-Benz 'A'-class info. Changing full Automatic Gearbox fluid on Mercedes- Benz 'A' Class ACS transmission

 

[hellgrace5]

@Howard

I did tried on the web before i posted here.

My car is AUTO and i searched Lofty's site and found no similar fault as mine.

 

[hellgrace5]

[SOLVED]

Throttle valve was clogged by sludge After cleaning it car starts fine

 

[trapperjohn]

Thanks for the feedback. That will probably help a member or two.

 

[mattkh]

Throttle valve was clogged by sludge

Hi
Thanks for the feedback. What is the mileage ? What caused the sludge ?