Mercedes 2016 w176 a class main battery removal and replacement 

Thank you, just done mine following your instructions. Flawless

Because of the axillary battery is there for the backup so the time will be automatically save when you replace the battery no worries

Thank you. Just about to change mine in same car. Very helpful. 👍🏼

Will i remove the engine check light if i remove the negative terminal for 60 seconds i fixed the air filter code p0007

Was this a stop start model?

80 Ah: amp-hours

do you have to code it?