[dgretaq]

I have been looking for the location of the auxiliary battery
in my 2015 glk250 bluetec , to replace it. I do know it is NOT in the
same location as the glk350 . I have looked under the front
passenger floor , in the rear storage (trunk )area , under the hood
, I suspect it is under the passenger seat , can some one help ?

 

[Witek_M]

I have been looking for the location of the auxiliary battery
in my 2015 glk250 bluetec , to replace it. I do know it is NOT in the
same location as the glk350 . I have looked under the front
passenger floor , in the rear storage (trunk )area , under the hood
, I suspect it is under the passenger seat , can some one help ?

Right rear under load compartment floor.

 

[dgretaq]

Right rear under load compartment floor.

View attachment 2619921

Right rear under load compartment floor.

View attachment 2619921

I took the time today to revisit the rear cargo area ,
removed all the trim panels , R & L rear wheel hump covers ,
center storage tray , R battery cover where there is no
battery , L jack tray , and a center panel over the dif.
I'm down to bare metal and no where else to go and no aux
battery . Next I removed the front pass. seat and removed the
heat/ ac tube , under that is more wires but no place for a battery .
Thanks for the reply , I will stress, the glk350 gas and the glk diesel
are very different . Because of the DEF tank in the trunk floor .

 

[Witek_M]

Post you VIN. I am assuming you are looking for it because warning message on MFD?

 

[Hirnbeiss]

Start/stop allegedly isn’t available on the US 250, so no aux battery.

Adding ECO STOP/START to GLK250? - MBWorld.org Forums

GLK-Class (X204) - Adding ECO STOP/START to GLK250? - Hi guys, The Diesel GLK250 sold in North America does not come with the ECO Start/Stop feature. The GLK350 (gasoline) does. This is the feature where the engine turns off when you stop at a red light in most circumstances. I drove a 2013...

mbworld.org

 

[pprakash]

I took the time today to revisit the rear cargo area ,
removed all the trim panels , R & L rear wheel hump covers ,
center storage tray , R battery cover where there is no
battery , L jack tray , and a center panel over the dif.
I'm down to bare metal and no where else to go and no aux
battery . Next I removed the front pass. seat and removed the
heat/ ac tube , under that is more wires but no place for a battery .
Thanks for the reply , I will stress, the glk350 gas and the glk diesel
are very different . Because of the DEF tank in the trunk floor .

Did you find the auxiliary battery location for GLK250? Appreciate if you can share the findings. Thx

 

[pprakash]

I took the time today to revisit the rear cargo area ,
removed all the trim panels , R & L rear wheel hump covers ,
center storage tray , R battery cover where there is no
battery , L jack tray , and a center panel over the dif.
I'm down to bare metal and no where else to go and no aux
battery . Next I removed the front pass. seat and removed the
heat/ ac tube , under that is more wires but no place for a battery .
Thanks for the reply , I will stress, the glk350 gas and the glk diesel
are very different . Because of the DEF tank in the trunk floor .

I am getting the same error. Please let me know the location of auxiliary battery in GLK 250 (Diesel). Appreciate your help.

 

[Liju Mathew]

Hi it is located under driver side Dash really hard to see. You have to remove the lower panel to get to it. I took to the dealership and they allow me to take a picture

 

[Liju Mathew]

The battery is smaller than the usual auxiliary battery

 

[PrakashP]

Hi it is located under driver side Dash really hard to see. You have to remove the lower panel to get to it. I took to the dealership and they allow me to take a picture

Thank you so much. It’s little difficult to pull it down and replace as it’s very tight area. I did struggle to put it back and attach the bolt . All ended well. Thanks again.

 

[Joefish99]

So just to be clear. It was located in that hole that you took a picture of?

 

[Liju Mathew]

So just to be clear. It was located in that hole that you took a picture of?

yes it is - it will be more towards the wind shield, if you can drop the bottom panel off from the steering wheel it is so much easy to access.

 

[Joefish99]

yes it is - it will be more towards the wind shield, if you can drop the bottom panel off from the steering wheel it is so much easy to access.

Awesome! Thank-you! I got the side panel off, but I could not see the battery. I will keep digging in. Appreciate the advice.

 

[dgretaq]

Hi it is located under driver side Dash really hard to see. You have to remove the lower panel to get to it. I took to the dealership and they allow me to take a picture

87

Awesome! Thank-you! I got the side panel off, but I could not see the battery. I will keep digging in. Appreciate the advice.

yes I finally found the auxiliary battery , after removing every panel in the 2015 glk250 bluetec awd .I-know i'm
late , but this will be helpful for future ax battery miners . first the battery # you need and can buy only @ M B .
N000000004039 , a small battery and not badly priced @ $47 plus tax .
It is in semi plain sight @ the base of the driver side A pillar . With the door open take the triangular cover @ the
end of the dash panel and a rectangular hole will be exposed . Look forward into the opening and the batteryis right there . NOW there is one light gray bolt near the opening , remove the bolt and the elusive battery is loose and ready to be removed . There are 2 electric connections R + B and. fuse also connected for spmething ???? The under dash panel will have to be dropped down , because one hand will need to hold the battery to unplug the 2 wires .
I cut a little strip of the left side of the opening off to make the opening a tad larger . When installing the new battery in its bracket , the wires can be connected when the battery is loosely in place . All this is a ass pain but will save
a large amount of $$$$ . Thanks to the reply that finally knew where the A X battery is .A lot of bitchin , scratches
tool throwing , but well worth the effort and learning experience . HAVE FUN .

 

[agarciadelbosque]

Well this is weird. I have a 2014 GLK 2015 and haven't been able to find the auxiliary battery in any of the locations... my vin

WDCGG0EB0EG191786 any clue on where it might be?