Mercedes-Benz C 300 2014–2023 — technical service bulletin

Bulletin LI07.70-P-070763 · NHTSA communication 10246281 · issued Nov 17, 2023

Technical service bulletin

communication type

Engine and Engine Cooling

component

2014–2023

model years

vehicle entries

Official summary

Fault code P06DA00 is found current or stored in engine control unit. Check engine light may be activated. Various causes Up to Model year 2018 Fault code P06DA00 can be disregarded if not activating the check engine light, unless otherwise specified in the guided test. The vehicle continues to operate as designed. Further causes should be investigated if complaint of check engine light is received. If fault code P06DA00 is activating the check engine light, update software of the ME control unit. No further repairs needed if the code no longer activates check engine light after 2 drive cycles

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.