C400 service question
Thread Starter
Newbie
Joined: Apr 2019
Posts: 6
Likes: 0
W205 c400 2015
C400 service question
So I bought a 2015 c400, 333hp 4matic at 187.000 kilometers(or 116.000 miles).
I changed the motor oil filter,motor oil, air filters immediately, and I saw that the automatic transmission gear oil has been changed at 148.000. What is the recommended interval for transmission gear oil change?
Also,I got an error "Auxilliary battery malfunction". I lookek up on the internet and found out that it is just a backup battery, but still not clear what it does, and should I get it fixed immediately? Here in the Netherlands they ask €300 to fix it.
I would be really glad if somebody could help me.
I changed the motor oil filter,motor oil, air filters immediately, and I saw that the automatic transmission gear oil has been changed at 148.000. What is the recommended interval for transmission gear oil change?
Also,I got an error "Auxilliary battery malfunction". I lookek up on the internet and found out that it is just a backup battery, but still not clear what it does, and should I get it fixed immediately? Here in the Netherlands they ask €300 to fix it.
I would be really glad if somebody could help me.
Senior Member
Joined: Mar 2018
Posts: 323
Likes: 103
From: Central Florida
'15 C400 and '15 ML350
https://www.mbusa.com/vcm/MB/Digital...nce_manual.pdf
Manual shows the interval for trans fluid. I would follow that. the 722.9 isnt too difficult to change it on but you do need a special tool.
Aux battery and module is in the passenger footwell under the carpet and they tend to have capacitors go bad over time. This prevent the eco start/stop from functioning correctly. If the 300 includes battery, module and labor its not a terrible price assuming you want the stat/stop to function again.
That has to be the most mile ive seen on a M276 DELA 30 motor. good to know they last a while.
Manual shows the interval for trans fluid. I would follow that. the 722.9 isnt too difficult to change it on but you do need a special tool.
Aux battery and module is in the passenger footwell under the carpet and they tend to have capacitors go bad over time. This prevent the eco start/stop from functioning correctly. If the 300 includes battery, module and labor its not a terrible price assuming you want the stat/stop to function again.
That has to be the most mile ive seen on a M276 DELA 30 motor. good to know they last a while.
Thread Starter
Newbie
Joined: Apr 2019
Posts: 6
Likes: 0
W205 c400 2015
https://www.mbusa.com/vcm/MB/Digital...nce_manual.pdf
Manual shows the interval for trans fluid. I would follow that. the 722.9 isnt too difficult to change it on but you do need a special tool.
Aux battery and module is in the passenger footwell under the carpet and they tend to have capacitors go bad over time. This prevent the eco start/stop from functioning correctly. If the 300 includes battery, module and labor its not a terrible price assuming you want the stat/stop to function again.
That has to be the most mile ive seen on a M276 DELA 30 motor. good to know they last a while.
Manual shows the interval for trans fluid. I would follow that. the 722.9 isnt too difficult to change it on but you do need a special tool.
Aux battery and module is in the passenger footwell under the carpet and they tend to have capacitors go bad over time. This prevent the eco start/stop from functioning correctly. If the 300 includes battery, module and labor its not a terrible price assuming you want the stat/stop to function again.
That has to be the most mile ive seen on a M276 DELA 30 motor. good to know they last a while.
Senior Member
Joined: Mar 2018
Posts: 323
Likes: 103
From: Central Florida
'15 C400 and '15 ML350
Ive seen weirder things happen.
My start/stop doesnt work anymore (slowly stopped doing it over like 6 months) but i have no warning or lights on. Not complaining though as i dont like the "feature".
My start/stop doesnt work anymore (slowly stopped doing it over like 6 months) but i have no warning or lights on. Not complaining though as i dont like the "feature".
