Just did this on my 2017 L405 LWB SC with gap tool...worked perfectly.

Car defaults to auto start/stop off.



just fyi!

Seems to work. The whole CCF write is a scary thing, with ignition off/on/off Christmas tree lights and some of the car settings need re-inputting afterward (AEB off etc.)

However - the car now remembers the start/stop setting across starts. Hallelujah.

or, you can simply disconnect the earth to the rear cubby battery [if you have one] or disconnect the signal wire to the capacitor, again in the rear cubby.. ... - .- -.




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Indeed. I guess the advantage of the CCF change is you can re-enable it on the switch if you want though.

Just done this. Scarey for numpties like me with all the warnings! But appears to have worked - certainly worked for a couple of test starts after finishing, will see if it remembers when I use the car properly tomorrow! Thanks for posting - I hate stop/start and nearly all other driver "aids" so default off is nearly always my pref - can switch it back on in a queue situation or when stationary for longer than normal - which is what I did manually before. Mike - MPx

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