AT - Electrohydraulic Control Unit Order Notes Update
Date: June 14, 2010
Order No: S-B-27.19/118A
Supercedes: S-B-27.19/118, April 29, 2010
Group: 27
Revision History
Revision Date Purpose
a 6/14/10 Procedure 2-3 ordering notes modified
SUBJECT:
MY-All, Transmission 722.9 in Models 164, 171, 203, 204, 207, 209, 211, 212, 215, 216, 219, 220, 221, 230, 251, 463
Ordering Notes for Electrohydraulic Control Unit
The following information clarifies how to determine the correct electrohydraulic control units.
A. Procedure 1a
1. Diagnosis on the vehicle is possible:
2. To determine the correct EHS part number, the currently installed EHS should first be read out with the Star diagnosis.
a. Xentry Diagnostics:
^ via the path "Control units view" - "Current quick test" - "Fully integrated transmission control" - "EHS part number".
^ Ordering the new EHS with this read out part number.
Mercedes-Benz A220 2020 Page 414
b. DAS:
^ "Quick test">"EGS > electronic transmission control serial number".
^ Ordering the new EHS with this read out serial number.
B. Procedure 1b
Diagnosis on the vehicle is no longer possible, as the control unit no longer responds. Therefore, the number must be read off directly by the
EHS and the ordering process is started with this number.
C. Procedure 2
1. Read out part number A 220 270 14 06
2. This part number was replaced by A 220 270 13 06 or by A 220 270 18 06, depending on the vehicle model range.
For this the following must be observed for correct ordering:
Model 209, 211, 215, 219, 220, 230 with transmission 722.901
A 220 270 14 06 replaced by
A 220 270 18 06 replaced by
A 220 270 31 06
Model 209 with transmission 722.902 and engine 642.910 up to 5/31/2007
^ A220 270 14 06 replaced by
^ A 220 270 21 06 replaced by
^ A220 270 29 06
Model 209 with transmission 722.902 and engine 642.910 as of 6/1/2007
A 220 270 14 06 replaced by
A220 270 19 06 replaced by
A220 270 32 06
Model 164, 251 with transmission 722.901
A 220 270 14 06 replaced by
A 220 270 13 06 replaced by
A 220 270 27 06
Model 164, 203 with transmission 722.902
A 220 270 14 06 replaced by
A 220 270 13 06 replaced by
A 220 270 27 06
Model 171, 209, 211, 219 and 230.471 with transmission 722.904
A 220 270 14 06 replaced by
A 220 270 13 06 replaced by
A 220 270 27 06
Model 221 with transmission 722.906
Mercedes-Benz A220 2020 Page 415
A 220 270 14 06 replaced by
A 220 270 13 06 replaced by
A 220 270 27 06
Model 171 with transmission 722.907
A 220 270 14 06 replaced by
A 220 270 13 06 replaced by
A 220 270 27 06
D. Procedure 3
1. Read out the part number A 220 270 12 06
2. For this the following must be observed for correct ordering:
^ Model 219.356, 171.456 with transmission 722.906 up to and including model year 2005 (code 805)
A 220 270 12 06.
^ For all other baumusters/model designations (except 219.356, 171.456) order with the read off part number A 220 270 12 06
A 220 270 12 06 replaced by
A 220 270 18 06 replaced by
