Mercedes-Benz AMG C43 2014–2018 — technical service bulletin

Bulletin CL- Outside Temp EW · NHTSA communication 11031729 · issued Mar 20, 2019

Technical service bulletin

communication type

Engine

component

2014–2018

model years

vehicle entries

Official summary

The purpose of this letter is to advise you of additional benefits that Mercedes-Benz is providing to you regarding your vehicle ownership. What’s Included In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz is extending the warranty of the engine control unit software for fault codes related to the outside temperature sensor for the affected vehicles to a total of 10 years or 120,000 miles (whichever occurs first) from the vehicle’s original New Vehicle Limited Warranty start date. This addendum t

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.