Mercedes-Benz Sprinter 1500 2019–2024 — technical service bulletin

Bulletin LI83.10-N-071291 · NHTSA communication 10228818 · issued Dec 11, 2022

Technical service bulletin

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Visibility

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2019–2024

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vehicle entries

Official summary

Complaint Various customer concerns of Climate Control system operating inadequately. Cause Stepper motor linkage in the heater case may cause a mechanical fault during actuation during unfavorable environmental conditions. NOTE: If the vehicle is equipped with H13 (rear additional heat exchanger), There is an additional stepper motor in the rear heater case under the vehicle. This stepper motor can influence the normalization process. May include fault code: B1A9C07 the output for control valve "Left water valve" has a malfunction. There is a mechanical fault. The component is called N29/12 (

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.

Mercedes-Benz Sprinter 1500 2019–2024 — technical service bulletin

Official summary

Vehicles covered