View Single Post
Old 06-13-2003, 12:10 PM
Gerard's Avatar
Gerard Gerard is offline
91 300CE M103: 80 450SEL
Join Date: Nov 2001
Location: Dublin, Ireland
Posts: 112
14mm hex

Its a 14mm hex on my 87 300d (124). One of my plugs bears the scars from a previous owner trying to open it with something stupid. If the plug is dirty get a scriber or narrow screwdriver and scrape out the gunk and crud. The hex or allen key will then fit more securely.
Reply With Quote