tension.
Otherwise damage could occur.

49

a

63

Emissions Campaign 2020040007

Install the heat shield (25).
i
To do this, place the new clamping
nuts (26) centrally on the pin, as
shown, and slide up to the stop
using a socket wrench.
i
A 000 994 32 11

64

Install the new mounting tab (34) on the
heat shield (25).
i
A 220 546 18 43

65

Clip the harness (32) into the mounting
tab (34).
p
Do not kink the harness (32) and make
sure it is not routed so as to be abraded.
This prevents damage.
p
The harness (32) must not touch heat
shield (25).
This prevents damage.
i
The layout schematic of the harness (32)
has changed on account of the changed
position of the NOx sensor downstream
of the SCR catalytic converter (4).

50

a

66

Emissions Campaign 2020040007

Postion new clamp (15) on the
SCR catalytic converter (4).
i
A 906 995 02 02

67

Install the tailpipe (13) of the
exhaust system.

68

Align tailpipe (13) and tighten the
new clamp (15).
i
Ensure adequate clearance of the
tailpipe to the frame in the area
of the rear decoupling element.
i
Clamp main muffler on endpipe:
Torque to 23 Nm / 17 ft·lb

69

Lift:
Lower the vehicle.
Ramps:
Vehicle may remain on ramps

Execution of the AEM Special Procedure

70

Connect the battery charger to the
vehicle's jump posts as indicated.
(arrows)
p
A sufficient power supply to the
vehicle on-board system must be
ensured throughout the entire work
procedure.
Otherwise any undervoltage that
occurs may damage the control
units.
i
Do not connect the battery charger to
the auxiliary battery in the engine
compartment.
i
Follow the operating instructions for
the battery charger.
i
Use a Mercedes-Benz recommended
battery charger to ensure an
adequate voltage supply (min. 12.5 V)
is provided for the on-board electrical
system battery.

51

a

71

Emissions Campaign 2020040007

Connect the diagnostic system.
i
The diagnostic system remains connected to the vehicle
throughout the work procedure!
Do not disconnect the diagnostic system’s online connection.

72

Switch on the ignition.

73

Start the diagnostic system.

74

Run XENTRY and start special procedure of
customer service measure.
i
To do this, select the following menu items:
Control units → Drive → CDI60 → Special
procedure → Service measure "Exhaust gas
after-treatment"
i
The process starts automatically after starting
the special procedure. The operation steps
must be performed exactly as per the diagnostic
system.

A result report is displayed at the end of the special
procedure. Upload this report to paperless pXD.
The report must indicate “OK” for all items.
Otherwise, the procedure must be repeated. The
vehicle can only be returned to the customer after
successfully completing the special procedure.
i
Parts of the procedure via the diagnostic system
are shown on the following pages.

If a fault arises during the special procedure,
repeat the procedure. If the fault persists, create
a PTSS case or XSF-ticket including the
following:
•Initial Quick test
•Current Quick test
•Control unit log
•AEM Result Report
•Support Package

52

a

Emissions Campaign 2020040007

First

Third
Second

53

a

Emissions Campaign 2020040007

54

a

Emissions Campaign 2020040007

55

a

Emissions Campaign 2020040007

56

a

Emissions Campaign 2020040007

57

a

Emissions Campaign 2020040007

58

a

Emissions Campaign 2020040007

59

a

Emissions Campaign 2020040007

First

Complete required
information

Second

Name file:
AEM 1
Second

First

Third
Fourth
Fifth

60

a

Emissions Campaign 2020040007

61

a

Emissions Campaign 2020040007

62

a

Emissions Campaign 2020040007

Make sure it’s unchecked

63

a

Emissions Campaign 2020040007

First

Complete required
information

Second

Name file:
AEM 2

Second

First

Third
Fourth
Fifth

64

a

75

Emissions Campaign 2020040007

Complete the information on the
APPROVED EMISSION
MODIFICATION LABEL and attach it to
the hood near the hood lock.
p
The attachment areas must be entirely
free from dust and grease.
Otherwise, adequate adhesion cannot
be ensured.
i
Fill in Emission Modification Program
No., your dealer code, the date of the
repair and mark the components that
have been installed or modified. Use a
black ultra fine point permanent marker.
i
A 000 584 93 13

Failure to comply may result in dealer
debit and/or possible fines.

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Emissions Campaign 2020040007

Verify Completed
Successfully

If the process was terminated incorrectly, repeat the process. If the fault
persists, create a PTSS case.

Name file:
AEM Results
First

Second

Third
Fourth
Fifth

66

a

Emissions Campaign 2020040007

67

a

Emissions Campaign 2020040007

68

a

Emissions Campaign 2020040007

Final Quick Test

76

Perform a final quick test and upload to paperless pXD.
i
Faults stored in the memory must be deleted from the
fault memory after completing the work.
i
If faults are current and stored in the updated control
modules they need to be addressed. If technical
hardships occur create a PTSS case.

The procedure via the diagnostic system is shown on
the following pages.

69

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Emissions Campaign 2020040007

Wait

70

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Emissions Campaign 2020040007

Name file: QT 2

Second

First

Third

Fourth

71

a

77

Emissions Campaign 2020040007

End the DAS session

Second
First
Third

78

Switch off the ignition.

79

Disconnect the diagnosis system.

80

Disconnect the battery charger.

81

Close the hood.

82

Connect any aftermarket devices that
were connected to the X11/4 diagnostic
socket before.

83

Ramps:
Remove wheel chocks, release parking
brake, and drive the vehicle off the
ramps.
p
Drive the vehicle slowly and at a
constant speed off the ramps.
Otherwise the vehicle may be
damaged.

72

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Emissions Campaign 2020040007

Replacement parts 2020040007 USA (mph)
Part No.
A 906 490 36 00 80

Designation
SCR catalytic converter

Quantity
1

Part No.
A 642 905 20 00 85
A 906 900 81 03
A 906 995 02 02
A 000 995 11 33
A 000 490 13 41
A 220 546 18 43
A 123 994 13 45
A 000 994 32 11
A 007 997 56 90
A 000 995 90 06
N 000000 003477
A 207 492 00 00
A 000 584 93 13

Designation
NOx Sensor package
Instrument Cluster (mph)
Pipe Clamp
Profile Clamp
Clamp SCR/DPF
Mounting Tab
Spring Nut
Lock Pin
Cable Tie (with holding clip)
Cable Tie
Nut Fastener
Profile Seal
APPROVED EMISSION
MODIFICATION LABEL

Quantity
1
1
1
1
1
1
1
3
3
1
4
1
1

73