HomeLI20.00-P-074205 · MERCEDES-BENZ
MERCEDES-BENZ

LI20.00-P-074205

Manufacturer communications

Publication date
2024-07-20
Received by NHTSA
2024-07-30
NHTSA record numbers
11005314

Manufacturer summary

Original wording in English

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.

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-BenzP0C7300
Circulation pump 1 for the low-temperature circuit has a malfunction

NHTSA 11005314

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 3002023
Mercedes-BenzC 3002022
Mercedes-BenzC 3002021
Mercedes-BenzC 3002020
Mercedes-BenzC 3002019
Mercedes-BenzC 3002018
Mercedes-BenzE 3502023
Mercedes-BenzE 3502022
Mercedes-BenzE 3502021
Mercedes-BenzE 3502020
Mercedes-BenzGLC 3002023
Mercedes-BenzGLC 3002022
Mercedes-BenzGLC 3002021
Mercedes-BenzGLC 3002020
Mercedes-BenzGLC 3002019

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