2016 B Class Glow plugs Info needed

[Kerabo]

My daughters 2026 B Class had the engine warning light come on.
I put my iCar soft tester on it and it found unknown code PO38096. I looked this up and it said glow plugs.
I eventually got the cover off the engine fuse box and can see a line of very strong fuses. 100 amp plus.
I have very little info on this car so are there any common Faults?
I can’t even see the glow plugs.
Can anyone tell me which fuse and relay it is please Or a pic of the wiring diagram?
Thanks Ken

 

[Diesel Benz]

Wiring diagrams have not been released for a 2026 MY car yet.

Which engine does it have, the wiring diagrams may be different.

 

[Kerabo]

Wiring diagrams have not been released for a 2026 MY car yet.

Which engine does it have, the wiring diagrams may be different.

Not sure what engine but it’s very small.
I managed to get the complete Glow plug diagram from a friend at Mercedes truck

Need to study now

Thank you

Wiring diagrams have not been released for a 2026 MY car yet.

Which engine does it have, the wiring diagrams may be different.

sorry
I see my mistake now
2016

 

[Diesel Benz]

Most often one or more glow plugs gone and at least on other Mercedes models the glow plug control unit too.

 

[Kerabo]

Most often one or more glow plugs gone and at least on other Mercedes models the glow plug control unit too.

Guessing it may be a glow plug but just wanted to check the basics first. Can’t even see them so maybe not a good job. Been told it could be a Renault engine ?
are they 3 cyl as it’s very narrow ?
She just started up and the light came on.
phone me at 5 in the morning and said oil light was on.
by the time we realised she missed her flight.

 

[Diesel Benz]

No, they are 4 cylinder engines. If I remember right, the smaller engines are Renault, on the facelift also 180 CDI.

 

[Kerabo]

No, they are 4 cylinder engines. If I remember right, the smaller engines are Renault, on the facelift also 180 CDI.

Thank you