Mercedes-Benz A220 2020 Technical Service Bulletin # LI27-60_P-049270 Date: 110404

A/T - A/T 722.9 Switches To Limp-Home Mode

Automatic transmission 722.9 switches to limp-home mode

Themen-Nummer LI27.60-P-049270

Version 1

Konstruktionsgruppe 27.60 Gearshift, control

Stand 04-04-2011

Gultigkeit All models wikth transmission 722.9

Anderungsgrund

Beanstandung:

Automatic transmission switches to limp-home mode or has no power flow (e.g. 3rd gear is not reached).

Note:

Fault codes P2502 and/or 2505 or 0894 and/or 2711 may be logged.

Attempts must be made to reproduce the problem.

Ursache:

K1 piston may be damaged (adaptation data for 2-3 shift may be at positive limit).

Abhilfe:

If the complaint can only be reproduced for the upshift from gear 2 to gear 3 or if the 3rd gear cannot be reached, there could be a defect in the K1

piston.

1. Replace complete multidisk clutch K1 as per EPC.

2. Then re-adapt the vehicle.

Mercedes-Benz A220 2020 Page 38

Symptome

Steuergerat/Fehlercode

2020 Mercedes Benz Truck ML 350 Technical Service Bulletin # LI27-60_P-049270 Date: 110404

2020 Mercedes Benz Truck ML 350 Technical Service Bulletin # LI27-60_P-049270 Date: 110404

A/T - A/T 722.9 Switches To Limp-Home Mode

Automatic transmission 722.9 switches to limp-home mode

Themen-Nummer LI27.60-P-049270

Version 1

Konstruktionsgruppe 27.60 Gearshift, control

Stand 04-04-2011

Gultigkeit All models wikth transmission 722.9

Anderungsgrund

Beanstandung:

Automatic transmission switches to limp-home mode or has no power flow (e.g. 3rd gear is not reached).

Note:

Fault codes P2502 and/or 2505 or 0894 and/or 2711 may be logged.

Attempts must be made to reproduce the problem.

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) Page 40

Ursache:

K1 piston may be damaged (adaptation data for 2-3 shift may be at positive limit).

Abhilfe:

If the complaint can only be reproduced for the upshift from gear 2 to gear 3 or if the 3rd gear cannot be reached, there could be a defect in the K1

piston.

1. Replace complete multidisk clutch K1 as per EPC.

2. Then re-adapt the vehicle.

Symptome

Steuergerat/Fehlercode

A/T - A/T 722.9 Switches To Limp-Home Mode

2010 Mercedes Benz Truck GL 350 BLUETEC (164.825) V6-3.0L DSL Turbo (642.820)
Vehicle: All Technical Service Bulletins
A/T - A/T 722.9 Switches To Limp-Home Mode
Automatic transmission 722.9 switches to limp-home mode
Themen-Nummer LI27.60-P-049270
Version 1
Konstruktionsgruppe 27.60 Gearshift, control
Stand 04-04-2011
Gultigkeit All models wikth transmission 722.9
Anderungsgrund
Beanstandung:
Automatic transmission switches to limp-home mode or has no power flow (e.g. 3rd gear is not reached).
Note:
Fault codes P2502 and/or 2505 or 0894 and/or 2711 may be logged.
Attempts must be made to reproduce the problem.
Ursache:
K1 piston may be damaged (adaptation data for 2-3 shift may be at positive limit).
Abhilfe:
If the complaint can only be reproduced for the upshift from gear 2 to gear 3 or if the 3rd gear cannot be reached, there could be a defect in the K1
piston.
1. Replace complete multidisk clutch K1 as per EPC.
2. Then re-adapt the vehicle.
Symptome
Steuergerat/Fehlercode
Arbeitswerte