Optional update for Emissions? - Mercedes GLA Forums
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post #1 of 2 (permalink) Old 08-21-2019, 07:56 AM Thread Starter
Junior Member
Join Date: Jan 2018
Posts: 3
Optional update for Emissions?

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?
1Oldcodger is offline  
post #2 of 2 (permalink) Old Today, 10:55 AM
Junior Member
Join Date: Sep 2019
Location: SURREY, UK
Posts: 2
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.
Lion19 is online now  

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