Mercedes-Benz EQB 250+ 2022–2023 — technical service bulletin
Bulletin LI83.20-P-076623 · NHTSA communication 10238415 · issued Jun 26, 2023
Technical service bulletin
communication type
Visibility
component
2022–2023
model years
4
vehicle entries
Official summary
â ¢ Insufficient heating output in vehicle interior â ¢ Customer describes a one-off, loud "plopping" noise during the journey Workshop findings: â ¢ Refrigerant line between refrigerant compressor and condenser cracked â ¢ If listed line is cracked, please conduct the following tests Currently in analysis, further information will follow when the cause can be clearly determined. If the tests listed have been carried out and the results correspond to the described fault profile, please carry out the following steps:
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.