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I have a 2019 4-matic. It is just under 15K and I have had it for 22 months.

I can't get a straight answer from MB of Littleton on the cost.

I also spoke to Parker Imports about getting the service done there.

Do I need to worry about "voiding" a warranty if I go with Parker Imports?

What is covered in a B1 service?

Is the B1 service based on time or mileage?

I will for sure get the service done, but if it is supposed to be done at like 20K and the notification is coming up because of "time" that can I wait?

Your thoughts and advise is much appreciated.

~Charlie
 

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The A & B service alternate annually based on time, not mileage. Benz initiated this process circa 2006 as they had slipped in reliability ratings. By effectively forcing owners to do regular maintenance (some would say over-maintenance, if that's possible), when under warranty, they have regained high reliability ratings in their segment.

The "A" service is basically just an oil/filter change and a number of checks. Rather costly for same however.

The "B" service is much more extensive and thereby much more expensive.
Yes proof of regular maintenance is necessary to maintain the warranty. I'm not sure about 3rd party validation.

Call other Benz dealerships and compare pricing. My recent MY2018 "A" was $342. The prior year's "B" was under a prepaid plan so I don't have a number on that.

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I have asked this question before signing for the purchase, at the dealership.
I hinted that I may decide to go with a different brand because of the excessive and mandatory costs for Mercedes A and B services. Told them that their warranty will mean a large cost to me because of the A and B, as opposed to savings in case of problems.

The answer from the Sales manager was that legal findings due to litigation have established that it is not necessary to perform the A and B at the dealer. These can be performed at a professional repair shop and have the records kept.

because replacement of parts for the base purpose of A and B is limited (findings of those extensive checks may lead to extensive part replacements, but that is a different story ), I was told that you can even do an oil change yourself, by using a genuine filter and oil purchased from the dealer and keeping the records and receipts (I always do all my work).

my intention is to shop the first service and have it done at the dealer, then afterwards get this done by my Mercedes specialist workshop and have records.

And oil changes ?
I may give the car “undocumented” additional oil changes myself, as I don’t like the factory oil change interval.
 

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Good insights Vladds on 3rd party maintenance.

I too always keep a log, keep all invoices/receipts, and do most of my own maintenance post-warranty. 😉
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B service is A service plus brake fluid change. MB uses a schedule based on time and miles, with A & B every 10,000 miles or 12 months which comes first. They then have a long list of items to add to this again based on time and miles like trans fluid, spark plugs, and several other things.

By having dealers do the service they will update any firmware or do any service campaigns that MB has for the car, all free of charges. I just had my 2019 GLA with 15,206 miles one year old serviced two weeks ago by the dealer. I had purchased the service plan when I got the car. The service plan has a discount and is a 3-year lease so the plan was saving and no questions when returning at lease end. Below is what was my B service.

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My 45, in the long term, serviced at the dealer, is ROUGHLY $1000 every 2 years. That's a $200 service A and an $800 service B.

It is super rough though, because Service B alternated bigger stuff like spark plugs (which for some reason is cheaper on the 45 than the 250??), trans fluid, etc.

But I just plan for $500 a year on preventative maintenance minus tires and brakes and have been GTG
 

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I don't know.
I just fail to be enthusiastic about the dealer doing the service B.
In service A, as previously posted in a different thread, their tech looked at the air filter and probably was like "yeh, this guy won't know either way whether I replace it or not". And didn't replace it, while stating in the paperwork that they did.
Wiper blades?
They did the front ones, but not the rear " who will ever know?"
Differential fluid?
... maybe..
I want to give it to them and say that they did the procedure by the book and completely replaced the drain plug.
But part of me still believes that they just took the shortcut and only checked the level and topped it off, that's why the drainplug looked untouched.
With this said, at the Mercedes specialist I will stand right next to the mechanic, he won't have the luxury to work hidden like he does at the dealer, where I can't observe him.

So I will give the dealer one shot, just because of the updates.
But let me tell you about updates:
I was trying to get some updates for the C63.
There are rumors that there is a transmission module update that brings the car into the next decade, transmission-wise.
So one day I spoke to the AMG tech by chance at one of the dealers. He told me that there is such transmission update and that there are even some "elective" traction control updates.
When I was ready, could not get a hold of him anymore and spoke to the Service manager. He told me outright that there is .. nothing. Mind you, I even agreed to pay the system scan fee of one hour, so that they can give me this answer.
After much research, I found that there is no profit for the dealer to do updates but every chance for them to screw up the update and be liable.
So they stonewall all updates.
Same car in Europe got tons of updates, but not here...
 

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Your dealer has to pass the smell test. There are schmucks everywhere. If this one is NG, find the good dealer. If that's too far for you, you'll go to the specialist.
 
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