Service guides for 2021 E450?
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Junior Member
Joined: Jun 2020
Posts: 61
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'21 E450 All-Terrain (Hightech Silver)
Service guides for 2021 E450?
Where can I find service guides to do basic maintenance on my 2021 E450 All Terrain? Oil change, spark plug change, transmission oil change, engine filter, cabin filter, etc...
Junior Member
Joined: Dec 2025
Posts: 35
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From: Sydney, Australia
W213 2017 E400
I am new to Merc world too, I guess using WIS is the way to go, It probably take a bit of work and sometime to learn navigating a rather large WIS repository.
In the meanwhile I am not sure if I am doing it right... below is what I did so far.
1) Search for "Service Sheet W213" - that provides an overall schedule and maintenance works for W213
2) For each work need to be carried out, you look at the document number on the right e.g. AP18.00-P-0101CWZ, etc.
3) Search those document number, hopefully you get a pdf for that work activities
my 2cents
In the meanwhile I am not sure if I am doing it right... below is what I did so far.
1) Search for "Service Sheet W213" - that provides an overall schedule and maintenance works for W213
2) For each work need to be carried out, you look at the document number on the right e.g. AP18.00-P-0101CWZ, etc.
3) Search those document number, hopefully you get a pdf for that work activities
my 2cents
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Member
Joined: Sep 2018
Posts: 111
Likes: 44
2018 E-300 4matic Sedan
When I want to learn about a Mercedes maintenance process, I have started with the WIS, but I find it to be so convoluted that I find it difficult to get a good understanding of what I'm trying to accomplish. I usually end up on a YouTube video, where I can watch someone do what I want to do, and then I understand.
Junior Member
Joined: Feb 2025
Posts: 56
Likes: 4
I use Mitchel 1 which actually uses WIS's document. Good enough but a lot cheaper. Note that WIS/Mitchel 1 is not only for maintenance. The majority of it is technician/mechanics servicing/repairing the car.
