# Service bulletin LI20.00\-P\-074205

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: 11005314
- Published by NHTSA: 2024\-07\-30
- Manufacturer's number: LI20.00\-P\-074205
- Manufacturer's date: 2024\-07\-20
- NHTSA component: ENGINE

## NHTSA's summary

Complaint Yellow Coolant warning comes on in cluster Fault codes below are current or stored in MED41 P0A0500\- The actuation of the circulation pump for the low\-temperature circuit has an open circuit. P00B700\- The coolant flow is too low. P0C7300\- Circulation pump 1 for the low\-temperature circuit has a malfunction. Cause Air may be trapped in the coolant circuit for transmission cooler Remedy Check coolant level. \-If coolant level is low, locate source of leak and correct. \-If coolant level is ok, perform procedure in attached instructions to bleed the coolant circuit to transmission cooler. 1. Allow cooling system to cool to ambient temperature. 2. Fill coolant reservoir completely. 3. Slightly open coolant connection shown in attachment \(red arrow\) to allow air to escape. 4. Once coolant flows out, close connection and correct coolant level. 5. Clear fault codes and check for further symptoms.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005314-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005314-9999.pdf)

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

## Components

Engine

## Trouble codes named

P00B7, P0A05, P0C73

## Vehicles listed

- 2018 to 2023 MERCEDES\-BENZ C 300
- 2020 to 2023 MERCEDES\-BENZ E 350
- 2019 to 2023 MERCEDES\-BENZ GLC 300

JSON: [/v1/bulletins/11005314](/v1/bulletins/11005314)

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