Electronic going crazy.

[kes87]

Im driving c320 cdi 2008, and the electronic is getting worse every day.
Starting engine everything works fine but after 5-10min sat nav closes, radio turns off, dashboard lights going crazy/parking lights.. and once turn signal is used its shows up errors ''rear left turn signal'' , ''rear right turn signal'' and on dashboard they blink fast (after getting error - back signals not working at all but front works). Taking out key and puting it back resets it - errors dissapears and everything works fine again for a while.

Today taking out key ended up with..
Car didnt start up, windows didnt react, key fob didnt react to anything.. and at the same time engine cooling fan was working non-stop. The last thing i got is error code - ''restraint system malfunction consult workshop''

ANYONE knows what would cause such problems with electric!?

 

[55AMGCLK]

Have you checked your battery and alternator?

 

[AMGeed]

^ +1.
First thing to check.

 

[Flyinspanner]

Battery voltage.

Merc’s are very susceptible to low voltage, and will throw lots of errors.

How old is battery? If more than 5yrs change it. Date usually stamped on the terminal posts.

Get your alternator output checked - Lidl were recently selling a battery/alternator check tool for about £5. Your local garage could check it for you.

 

[kes87]

Battery was changed like 4 months ago. Gonna check alternator later on when i get the tool.

 

[Deleted member 149005]

Or a bad earth - not uncommon at that age

 

[Dodipops]

Enter the secret menu and bring up battery voltage, start the car and make sure it registers at least 13 odd volts

 

[kes87]

it showed me 14.4 volts

 

[giuby888]

Hello!
I have the same problem on a w203 c200 K M271.
It appeared after I changed the brake pads and brake discs on the front axle.
Are the errors related to this exchange?

 

[John]

Correct replacement battery for the car @OP?

 

[giuby888]

„Problemele grave au soluții simple”
Am rezolvat problema.
Terminalul plus bateria a fost anulat