musa-
Is it diesel or petrol? If diesel the car might need a regen for it to work.
It's petrol. From the MB Forum:
"For what it’s worth, my GL63 (different car, same M157 power unit) hasn’t been used much lately - and mainly shorter trips too recently, but within minutes of heading out this morning it was doing it’s thing. That’s with the usual loads at this time of year - heated seats, climate control working away, entertainment stuff on etc.
Parked up after ~ 15 miles and restarted a couple of times during the day and it’s been stopping and starting as you would expect eg traffic lights etc or when queueing.
Mine’s a 2013, so a year or two older than yours, but I suspect it’s broadly similar in terms of the factors that enable stop/start to function.
Have never needed to put mine on charge either - not would I expect yours to need to be, especially after your 300 miles trip last week, a brand new battery from the dealer and a 40 mile run this morning."
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Dammit
Stop/start started working again on tbt way home from Swinley, which is interesting.
I’m taking the car for a thorough inspection and written report on Wednesday- £183, but I think we’ll spent.
Harratts, the dealer I bought from, has refused to fund any further diagnostics or work to rectify the stop/start, which makes it pretty binary- either I read the report and decide to keep the car, or I reject it and Harratts can come and get it and refund my money. As they won’t countenance any further work it’s going to have to be the punchy option.