Mercedes Benz B-Class B150 1.5 Petrol intermittent limp mode and trouble starting issues PT 1

Here is my new small project Mercedes Benz B-Class b150 trouble starting some times no start at all limp mode after few miles drive Issues
#mercedes #car

[@poongchinmun9735]

where is part 2?

[@redpig1120]

Don’t touch the wiring harness…