carlosamg50

Hi guys

My 2021 GLS63 with 27k miles is due an A2 service, and my dealer says it requires plugs, and wanted to charge me double the cost of the service cost when I book online with them, anyone have the service schedule for the GLS63 167 that I can refer to please?

Thanks
Carl

ygmn

Same as A1
An A service is an A service and based on mileage or time whichever comes first:

Now certain things have to be done based on mileage and plugs are one of them.
check your owners manual and service manual (which seems to be harder to find recently)
Maybe someone will post up the MB specific maintenance by mileage chart =
Owner’s Manuals | Mercedes-Benz USA (mbusa.com)

this kinda helps explains what an A service is and they are every 20K or 2 years and B services are in between 10K or Year after an A
Mercedes Service & Maintenance | Mercedes-Benz USA (mbusa.com)

nc211

we need a sticky list on this forum to let owners call out the absolute BS of their dealers.

spark plugs at 27k miles? What does the 63 engine run on, sewage from a septic tank?