M264 spark plugs on 2020 looking for spec and or guide
05-22-2024, 12:11 PM
#1
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2020 GLC 300
M264 spark plugs on 2020 looking for spec and or guide
I am not seeing any guides for replacing 2020 (M264 only) and newer GLC 300 spark plugs. Does anyone have a guide with torque specs and which type torque wrench to use? Also is there any specific grease needed to be applied on the white insulator or threads?
Thanks
Thanks
05-22-2024, 06:50 PM
#2
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Originally Posted by BA796
I am not seeing any guides for replacing 2020 (M264 only) and newer GLC 300 spark plugs. Does anyone have a guide with torque specs and which type torque wrench to use? Also is there any specific grease needed to be applied on the white insulator or threads?
Thanks
Thanks
Torque is 23 Nm on plugs and 8 Nm on coil bolts.
Yes, use grease A 002 989 80 51
I used dielectric from amazon.
Nothing on threads, as it can impact torque value.
Nothing about indexing in WIS but you can find a lot of discussion on MB indexing.
05-22-2024, 08:02 PM
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2020 GLC 300
I have WIS AP15.10-P-1580CWF from 07.02.2020 for 274 engine, i can provide if you like.
Torque is 23 Nm on plugs and 8 Nm on coil bolts.
Yes, use grease A 002 989 80 51
I used dielectric from amazon.
Nothing on threads, as it can impact torque value.
Nothing about indexing in WIS but you can find a lot of discussion on MB indexing.
Torque is 23 Nm on plugs and 8 Nm on coil bolts.
Yes, use grease A 002 989 80 51
I used dielectric from amazon.
Nothing on threads, as it can impact torque value.
Nothing about indexing in WIS but you can find a lot of discussion on MB indexing.
07-01-2024, 05:02 PM
#4
Member
Can someone please confirm the spark plug torque is 23 NM for the 2020 GLC300? What's been listed is for the M274 engine.
Yesterday, 10:20 PM
#5
Member
Duh! It was written on the side of the Bosch spark plug box. 23 Nm. I replaced all 4 easily in under a hour. Dielectric grease on the boot only. Make sure you blow out the hole BEFORE removing the old plug.
