Mercedes W211 entering engineering mode - Turn on texting

How to enter engineering mode on w211 comand.

[@allaith0355]

How did you get a full black background/wallpaper

[@Peter-it5ht]

What is the point of going into engineering mode ? What can you do, can you adjust anything .

[@HYBRIDLqTHEORY]

what do i get from that mode?

[@cli5h]

you can check if your mileage displayed on cluster instrument is about correct - Comand collects error logs with mileage included. Except that, software version etc.

[@martinhuusfelt1783]

What Burtons are u presning?

[@mercedesmercedes4365]

Beste

[@SedraS10]

Do you have bluetooth???

[@MrKoliki]

SedraS10 yes, aftermarket

[@kevinisaksson1914]

@@MrKoliki what device is this? how to get bluetooth

[@imhoman8423]

Dude we cant see shit... which buttons???