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Discussion Starter #1
I've got my 17 reg GLA220 4 matic in to investigate why the Start/Stop never works and the lady told me there was an 'Optional' update available for 'Emissions'

She was a bit vague but stressed it was entirely up to me whether I had it or not.

Wondering if this is a VW style update which will screw (or correct) my mpg or performance

Has anybody had any experience of it yet?
 

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Hi 1Oldcodger,

I had my 66 reg GLA220d serviced by MB earlier this month and had the Emissions update done and not seen any change in performance or mpg.

Between normal short run fillings I still get +42 mpg and still topped +51 mpg on a long journey.
 
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