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Stan, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3526
Experience:  Technical support engineer
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just bought a 2010 A160 blueEfficiency petrol model but the

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just bought a 2010 A160 blueEfficiency petrol model but the eco system keeps cutting off mid journey - or not kicking in at all. Sometimes engine switches off at traffic lights in neutral other times not. What's wrong please?
Stan :

The ECO function can be deactivated due to many reasons. if the outside temperature is too low (below 0), there is a risk of windows fogging or engine is not warm enough to let the interior acheive requested temperature.
So possibly one of the engine switch-off pre-conditions are not met.

Stan :

best regards,

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