How to

Common Rail Injector Programming for Mercedes

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In this article you will find out about the common Rail Injector Programming for Mercedes.

Diesel Fuel Systems Fuel Systems How to Technical Tip Technicians 1 min read

Vehicle Applications

Engine	Model	System
Mercedes	Class C W204, E W212, E Coupé W207 and GLK X204	Diesel Systems

Summary

This function is used to program the DCU with the new injector codes after replacing injectors.

The injector code is printed on the body. The code has 20 to 24 characters (framed in red on the photograph).

Resolution

1. Test Conditions

Key on, engine stopped.
Battery voltage greater than 12 V.

2. Procedure

Start the function.
A dialogue box will display the programmed injector codes, select "OK".
Select the injector to be programmed in the dialogue box then select "OK". If the injector code is correct, close the function.
Enter the new injector code in the dialogue box and then confirm by selecting "OK" to finish the programming sequence. Use capital letters only.

Valid Characters

Only the following characters are valid:

0 1 2 3 4 5 6 7 8 9

A B C D E F G H J K L M N P R S T U W X Y Z:

A dialogue box will indicate if the programming sequence has succeeded or failed.
If the function fails, check the test conditions and correct any faults found.

Tools And Equipment

Part Number	Description
DS350	Delphi diagnostic tool program version 1.19 or 2.9.3 or later

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