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The A6 is Audi's executive sedan, covered from the 1994 C4 through the C5, C6, C7 and C8 generations. Engines range from four-cylinder TFSI and V6 TDI units to the supercharged and turbo 3.0-liter V6.


Your 2012 Audi A6 is from the A6 C7 generation, which covers model years 2012–2018. It is the first model year of this generation: the platform, wiring and many procedures changed compared with the previous model, so a manual for an earlier year will not match it.
Check the model year on your VIN: on a 2012 vehicle the 10th character of the 17-digit VIN is “C”. Vehicles built for North America always carry the model year in that position; on some European or Australian vehicles it may be left unused, so in that case go by the registration papers or the build plate.
At about 14 years old, a 2012 vehicle often needs work on the cooling system, timing components, suspension bushings, motor mounts and corroded electrical connectors, all jobs where the exact factory procedure and torque values save time.
Same generation: 2013 Audi A6, 2014 Audi A6, 2015 Audi A6, 2016 Audi A6, 2017 Audi A6, 2018 Audi A6.
All Audi A6 model years: 1994 · 1995 · 1996 · 1997 · 1998 · 1999 · 2000 · 2001 · 2002 · 2003 · 2004 · 2005 · 2006 · 2007 · 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026
Engines
4-cylinder TDI engine (2.0 ltr. 4-valve common rail - generation II) CGLC CGLD CMGB CGLE
4-cylinder TDI engine, 2.0 ltr. 4-valve common rail (EA 288 Gen. I) CNHA CSUE CSUD CZJA DDDA DDCA DDCB
4-cylinder direct injection engine (1.8, 2.0 ltr. 4-valve TFSI - generation III) CYGA CYNB CYPB CYYA CYPA
4-cylinder direct injection engine (1.8, 2.0 ltr. 4-valve turbo TFSI - generation II) CDNB CAEB CDZA CHJA CAED
6-cylinder TDI engine (3.0 ltr. 4-valve common rail - generation II) CLAA CLAB CDUC CGQB CKVB CDUD CKVC CPNB CTCB CTCC CVUA CVUB
6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 Gen. I) CRTD CRTE CRTF CZVD CZVB CZVE CZVA CZVC CZVF
6-cylinder direct injection engine (2.5 ltr., 2.8 ltr. 4-valve) CHVA CNYA CLXA CNYB CLXB CVPA
6-cylinder direct injection engine with supercharger (3.0 ltr. 4-valve TFSI) CGWB CGXB CHMA CGWD CTTA CTUA
6-cylinder direct injection engine with supercharger (3.0 ltr. 4-valve TFSI, EA837evo) CREC CTDA CRED CTDB CREH
8-cylinder direct injection engine (4.0 ltr. 4-valve TFSI) CEUC CRDB CEUD CWUB CWUC CTGE CWUA
