Check Regulation Valve – 2023 Mercedes-Benz GLC

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April 19, 2024

2024040003

This is to notify you of the Service Campaign Launch to check the regulation valve in 139 Model Year (“MY”) 2023 GLC (254 platform) vehicles.  The vehicles will be visible and flagged in VMI as “OPEN” on April 19, 2024.

 

Issue

Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 23 GLC (254 platform) vehicles, the regulation valve in the low-temperature coolant circuit may become stuck. This would lead to a fault message in the instrument cluster.

 

What We’re Doing

MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will   check the coolant valve on the affected vehicles and replace it, if necessary.

 

Parts

The remedy is available and can be performed as necessary.

 


Check Coolant Valve

 

Check/Test Procedure

1. Connect XENTRY Diagnosis.

 

2. Check function of coolant directional control valve using XENTRY Diagnosis:

Select menu item “Quick test view → N127 – Control unit “Drivetrain” (PTCU) → Special procedures →  CHECK of switchover valves”.

Then follow the user guidance in XENTRY Diagnosis.

 

a. Fault message on coolant directional control valve (Y73/1):

Disconnect XENTRY Diagnosis and carry out Work Procedure.

 

b. No fault message on coolant directional control valve (Y73/1): Disconnect XENTRY Diagnosis and End Measure.

 

Work Procedure

1. Replace coolant directional control valve (Y73/1) of low-temperature circuit (Figure 1, 1).

For basic information, see AR09.41-P-0131MRV.

 

Figure 1: Coolant directional control valve (Y73/1) of low-temperature circuit (1)

 

Primary Parts Information

Qty. Part Name Part Number
1 Regulation valve A 000 506 15 00eBay

 

Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting.

 


Check Regulation Valve
Model(s) GLC300W,GLC300W4
Model Year 2023-2023

https://www.startekinfo.com/service/download-document/outside/231715/

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Last update on 2024-06-24 / Affiliate links / Images from Amazon Product Advertising API

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