# Service bulletin LI14.40\-N\-072089

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10217150
- Published by NHTSA: 2022\-08\-04
- Manufacturer's number: LI14.40\-N\-072089
- Manufacturer's date: 2022\-07\-01
- NHTSA component: EQUIPMENT; ELECTRICAL SYSTEM

## NHTSA's summary

Complaint Indicator lamp illuminates in instrument cluster, fault codes P203B31, P203B49 and P206B31 present in AdBlue® \(SCR\) control unit \(N118/5\). Cause Software for AdBlue® \(SCR\) control unit \(N118/5\) Remedy Update AdBlue Control Unit Software

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10217150-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10217150-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Equipment and accessories

## Trouble codes named

P203B, P206B

## Vehicles listed

- MERCEDES\-BENZ MERCEDES\-BENZ

JSON: [/v1/bulletins/10217150](/v1/bulletins/10217150)

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