rear left door lock is not working, C180, 2009.

[Houstonrice]

ok. should I buy a magnetic T20 torx, in case i need to take the screw out and not to lose them? any T20 torx recommended?

 

[cheddar]

Don’t think a magnetic type one will fit through. I bought an extra long set from machine mart the first time I did one of these because I didn’t have anything that fitted.