It's an "A" service, plus additional work. I haven't gotten a clear answer from anywhere as to exactly what the extra letter means, but it may be some sort of guide as to time to be expected. Check the maint. book for more detail, but my guess is the the minder hasn't been reset properly, as "N" would indicate several hours of additional work. Sorry to be obtuse, but this issue always comes up and I have yet to find a straightforward explanation
Just curious if anyone knows what an AN service is for a 2010 Mercedes GLK350? Thanks!
2010 Mercedes-Benz GLK 350 4MATIC
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Maintenance & Repair
On a Mercedes glk 350, how do u reset the maintenance code after oil change?
2012 Mercedes-Benz GLK 350 4MATIC
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Maintenance & Repair
While driving on freeway my engine felt like it lost power and a white dotted line came on on the speedometer under the mph numbers.
2012 Mercedes-Benz GLK 350
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Maintenance & Repair
I have been seeing this prompt in my speedometer: A7 maintenance in 1,000 miles, what does that mean?
2014 Mercedes-Benz GLK 350
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Maintenance & Repair
I replaced all the brakes and new wear pad sensors. This took care of the brake pad wear error on the dash as that's now gone. My code reader told me the right rear speed sensor was gone so I replaced...
2012 Mercedes-Benz GLK 350 4MATIC
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Maintenance & Repair
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