HomeLI91.30-P-074208 · MERCEDES-BENZ
MERCEDES-BENZ

LI91.30-P-074208

Manufacturer communications

Publication date
2022-01-06
Received by NHTSA
2022-02-04
NHTSA record numbers
10207206

Manufacturer summary

Original wording in English

Complaint Model series 206: Front seat heating nonfunctional Cause Cause is an internal error in the 'seat heating' control unit with the following designation: "B221A96 - An internal error is present in the 'seat heating' control unit. There is an internal component fault." Remedy Please do not perform any work. Do not flash, update, code or recommission the 'seat heating' control unit! Please create a PTSS case. The 'seat heating' control unit is required for analysis. Additional required information: In which situation/under which conditions did the complaint occur? Is there any specific behavior to note regarding the customer's use of the vehicle? Was the vehicle affected by undervoltage or are there other fault memory entries stored in the vehicle that can be attributed to an unstable power supply? Was the vehicle connected to a battery preservation device or charger? (If yes, what sort of charger was used?)

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Mercedes-BenzB221A96
An internal error is present in the 'seat heating' control unit

NHTSA 10207206

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
Mercedes-BenzC 3002022

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