The T21 Emissions Recall Thread is rather long now.
T21 Emissions Recall Notice
https://sprinter-source.com/forum/showthread.php?t=57401
An issue with getting the recall performed is that some dealerships appear to be better qualified to complete the T21 Recall as compared to others.
The intention of this thread is to list the dealerships which have successfully completed the recall for Sprinter-source members. There is nothing wrong with adding a dealership which didn't perform well, but please keep any comments as brief as you can.
Please include the city and state when you post.
I set this as a Sticky. The status could change as the thread unfolds.
vic
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ADDED: March 20, 2021
There is a Mercedes "Fix" for the start aka chassis battery power drain own after the T21 recall.

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Added:
POSSIBLE HELP FOR THOSE GETTING THE RUN AROUND IN CALIFORNIA.
T21 Emissions Recall Notice
https://sprinter-source.com/forum/showthread.php?t=57401
An issue with getting the recall performed is that some dealerships appear to be better qualified to complete the T21 Recall as compared to others.
The intention of this thread is to list the dealerships which have successfully completed the recall for Sprinter-source members. There is nothing wrong with adding a dealership which didn't perform well, but please keep any comments as brief as you can.
Please include the city and state when you post.
I set this as a Sticky. The status could change as the thread unfolds.

*************
ADDED: March 20, 2021
There is a Mercedes "Fix" for the start aka chassis battery power drain own after the T21 recall.

*************
It sounds like the DMV is referring to the emissions recall that Dodge designates T21. Freightliner letter use Voluntary Recall Campaign 2016030002 and Mercedes Benz is reported to call it Campaign 2016040001.
...
vic
Added:
POSSIBLE HELP FOR THOSE GETTING THE RUN AROUND IN CALIFORNIA.
Update re emissions recall (California DMV # 201632, Dodge # T21, Mercedes # 2016040001):
My vehicle is a 2004 Freightliner Sprinter 2500 (T1N), built as a motor home by Forest River. I live in the Los Angeles area. My annual notice to renew my registration noted a "manufacturer recall # 201632" and required "proof of correction" from a dealer before I could renew my license. This was the only notice I ever received about this recall.
I took my vehicle to Mercedes of Anaheim. They performed the software upgrade, following the procedure in the Mercedes Recall Campaign Bulletin, and gave me the "Proof of Correction" certificate. I was then able to license my vehicle with the California DMV.
Initially, all seemed fine, but after two brief driving outings, the problem symptoms appeared, as reported by other owners of model year 2004 Sprinters: When the engine was shut off, the Instrument Cluster light did not turn off and the EGR mechanism did not turn off. Also, the Check Engine Light appeared and stayed on as long as the engine was running.
I took my vehicle back to Mercedes of Anaheim and they performed the additional steps indicated in the Recall Bulletin, ending with the replacement of the Instrument Cluster. So far, the vehicle is performing properly, so I am optimistic this is the end of the troubles. This dealership should now be familiar enough with this problem to deal with additional Sprinter recalls in an efficient manner; my contact there is Michael Gonzales, mgonzalez@anaheimmercedes.com, phone 714.777.7446.
This process has been difficult, because Mercedes Benz USA has made it so: I was never contacted or informed about this recall by MBUSA, even though they clearly have my contact information in their system as the vehicle owner, which is obvious whenever I have taken the vehicle to a Mercedes dealer - they are able to view the entire history of my vehicle. I was never able to discuss the problems with the contact person to whom I was referred at MBUSA - my phone messages were never returned.
I was able to resolve this only after contacting my state government representative's office. They put me in contact with Jeffrey Wong at the California Air Resources Board, jwong@arb.ca.gov, phone 626.575.7009. He was able to arrange with MBUSA to have my vehicle "diagnosed" and repaired without charge. Initially, the dealers, presumable following instructions from MBUSA, wanted to charge me $200 to "diagnose" the problem, a problem with which MBUSA is clearly aware, and which does not require "diagnosis".
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