Check Mixing Ratio of Coolant to Antifreeze – 2020 Mercedes-Benz C-Class, GLE-Class

TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers	FROM:  Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services
RE: Service Campaign 2021030007 Launch Notification Check Mixing Ratio of Coolant to Antifreeze MY20 205, 167 (C-Class, GLE-Class)	Date: March 26, 2021

 

IMPORTANT NEW SERVICE CAMPAIGN LAUNCH INFORMATION

 

Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES.

 

 

Sincerely,

Gregory Gunther

Department Manager, Vehicle Compliance & Analysis

 

A Mercedes-Benz AG Company

 

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Campaign No. :	Campaign Desc. :		Check Mixing Ratio of Coolant to Antifreeze
2021030007	20P2094012
This is to notify you of a Service Campaign launch regarding checking the mixing ratio of the coolant to antifreeze on 62 Model Year (“MY”) 2020 C-Class and GLE-Class (205 and 167 platform, respectively) vehicles. Affected VINs will be flagged in VMI as “OPEN” on March 26, 2021.
Background
Issue		Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY 2020 C-Class (205) and GLE-Class (167) vehicles, the mixing ratio of coolant to antifreeze may not meet production specifications.
What We’re Doing		MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will check the mixing ratio of coolant to antifreeze and correct, if necessary.
Parts		Parts are available and can be ordered as necessary. Estimated replacement rate is 50%.
Vehicle Model Year(s)		2020
Vehicle Model		C-Class, GLE-Class
Vehicle Populations
Total Campaign Population		62
Next Steps/Notes
AOMS/SOMS		AOMs – This Service Campaign may generate questions from your dealers.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES.

 

A Mercedes-Benz AG Company

 

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Campaign No. 2021030007, March 2021

 

TO:	ALL MERCEDES-BENZ CENTERS
SUBJECT:	Model C-Class and GLE-Class (167 and 205 platform) Model Year 2020 Check Mixing Ratio of Coolant to Antifreeze

 

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY 2020 C-Class and GLE-Class (167 and 205 platform) vehicles, the mixing ratio of coolant to antifreeze may not meet production specifications. An authorized Mercedes-Benz dealer will check the mixing ratio of coolant to antifreeze and correct, if necessary.

 

Prior to performing this Campaign:

• VMI must always be checked before performing campaigns to verify that the campaign is required on a specific Always check for any other open campaigns, and perform accordingly.
• Please review the entire Campaign bulletin and follow the repair procedure exactly as described.

 

Approximately 62 vehicle is affected.

 

Order No. P-SC-2021030007

 

This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA-SLP S424HH001, Control of Quality Records.

 

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Check/test procedure

 

1. Check the mixing ratio of coolant freeze protection in the main and low temperature circuits.

Depending on variant the low-temperature circuit may not be present. Testing of the low-temperature   circuit is only required if present.

 

1. 1. If antifreeze content cannot be measured between –33 °C and -45 °C: Perform work procedure.
   2. If antifreeze content can be measured between –33 °C and -45 °C: End measure.

 

Work procedure

 

1. Correct mixing ratio of coolant to antifreeze.

Basic data see BB00.40-P-0310-01A.

It is sufficient to drain the coolant reservoir and fill it with antifreeze.

A complete emptying of the cooling circuit is not required.  No filling with the vacuum method is required.

 

 

Primary Parts Information

Qty.	Part Name	Part Number
As required (1)	Antifreeze – RED G40 – 1.5 l	BQ1030005*

 

* Coolant is ordered via national account vendor ZEP

 

Warranty Information With check 

Operation: Check mixing ratio of coolant to antifreeze (02-9632) 

Damage Code	Operation Number	Labor Time (hrs.)
20 940 12 8	02-9632	0.1

 

With check and work procedure

Operation:

Check mixing ratio of coolant to antifreeze (02-9632)

Correct mixing ratio of coolant to antifreeze (after check) (02-9633)

Damage Code	Operation Number	Labor Time (hrs.)
20 940 12 7	02-9632	0.1
	02-9633*	0.2

 

*This operation number can be claimed for each coolant circuit that work is performed.

 

Note

Operation Number labor times are subject to change.

 

P-SC-2021030007

 

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Check Mixing Ratio of Coolant to Antifreeze
Model C-Class and GLE-Class (167 and 205 platform)
Model Year 2020

https://www.startekinfo.com/service/download-document/outside/225231/

https://static.oemdtc.com/Recall/P-SC-2021030007.pdf

 

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