a was
No link, and instructions are below; just order the part numbers below (two of each) from your local MB Dealer costing you £17 instead of £44 if you buy off eBay or elsewhere.
Part numbers are:
A 099 766 01 00
A 099 766 27 00
To swap old with new:
1. unlock the car, pull upand off the protruding black plastic button on each front door to reveal a metal threaded rod in the door - should the button not want to pull off then use a pair of pliers to unscrew it. Be sure to keep the doors unlocked I.e. once the car is unlocked put the car key somewhere where it cannot be clicked to ensure the metal rod stays in the up position at the lip of the opening and does not retract into the door where getting it up and accessible again may prove a pain!
2. take both the cream plastic and chrome parts out of their wrapping and push each cream plastic part up into the base of each chrome coloured lock button until you feel them click into place.
3. screw the assembled button onto the threaded metal rod in the door as far as it will go. Once both doors are done (not before) press the key button lock/unlock a few times to admire your handiwork. Note unlike the black plastic pins these protrude slightly when the car is locked.
job done
nb. be aware that as far as I can find out the rear door buttons require the door card removed to change out the buttons; so a trickier job and one I’ve not tackled ‘cos my car doesn’t have rear doors
hth
ps The many experienced forum members on here may have much to add to my words and please feel free to do so.
