Does this battery have the port for gas vent?

This is an AGM battery, the battery has a provision to vent however it is not an open port on the side as found in a traditional lead-acid battery.

Is this battery the same as A21154110001?

This is an improved AGM version of 2115410001 and is a direct fit for applications requiring that number.

I have a 2005 E55 AMG and this battery is supposed to work so I ordered it. Does it require professional installation (programming) or is it plug and play?

This is a plug and play battery

Hello, I have a 2015 GLK350 and want to confirm this is a suitable replacement for the auxiliary battery? Additionally, does it have the vent hose on the side of the unit? thanks

Yes, and the vent hole for the vent elbow is on the side of the battery. A physical hose is not included.

Also does it need to be re programmed to the car? 14’ cla 250

The primary and auxiliary batteries do not require programming.

2016 SLK 350, my eco stop and start stop working. Any idea where this battery is located at?

It should be in a compartment behind one of the front seats.

I just replaced the Battery my 2010 E63 AMG and now Im getting a notification to change my Auxiliary battery, Is this the correct one to purchase for it? Thank You

Your E63 uses the smaller battery, part number 000000004039

I have to replace the Auxiliary Battery for my 2015 MB GLA250 4matic. Both this battery MER-0009829608 and battery MER-000000004039 are listed at genuine replacement auxiliary batteries for my vehicle. How do I know which to purchase?

MER-000000004039 should be the only listing for that application

will a000 982 70 08 interchange with a 000 982 93 08? It is going in a 2014 CLA 250 4 Matic.

Yes it will.

What is the manufactured date of this battery? Is it more than a year old?

Our stock is refreshed very frequently, we do not currently have any batteries in stock that are more than 14 months old.