Second
es —)
29

8 Emissions Campaign 2020040002
Sry Morvodoe Bez z
disor} na: - totr electronic C0160" for combustion engine MEE? (CD) (Cod m7) a120V intonon
er | enero et | Actes pn] Coe tg Dn] | Se
2 First :
fecieusior ‘ Pre-inspection
[=] Colston ot sagosis peremance este eek or non-conplan aferatons tothe emission stem cing a rt visual inspecton.
eseting waming massage SCRIAAB10S
Feseting waming message Number ofenghe sas Visial inspection,
es 1 ent conf fr tne pratence fl gina emiaion Equipment
a {ease ensure no nan compliant aeraons tothe aries system have bee proms that woulé impede tension othe Approved Eisen
& | Settee ene Mcieation as she inte Wek nsuctons.
Delete faut meray and recor agnosis performance datz, | «Paste ensue no nar.cempient teraons tthe nisin system have been prtoma thet would subsantiy act th epareton othe anissen
rasan a eaiacier system ater Approves Emission Modesto instalaion
= Service eesueExtous aterratnont
Prespecton| BF |Note:
Perfo service eanure Esnaca ReTeae tecnica suppers neadee ess const mara supper teem wth supertn inemston
Pans th exceed warty
Second Question:
Have non-compliant ateratons been ents or rina! eomponens fur to be missing?
Third
! ke v=
|f Non-Compliant alterations are found, reference the
Pre-Inspection Guide on page 2 for next steps
So ors Ae
> D2arcssf>n3795- motor electronics CD16 for combustion engine OM6s2 (Co) ode: MHSWHSMHT) earzay inten ont)
i Recoraing of neasuronent values orfnclon Exaus gas °
resreuiaion Pre-Inspection
{-] _Colaton o agnosis pertomance data
Resting wang messoge SCRAcBWe0!
Ea Further procedure:
Delete teut memory andresor gross perermancecttn, | “ipa procad wih Approved Entlon Madea isa own he appeabl work nts
Prconditorng of thaust test
= Seni meesure“Eesusteterveernen™ es
Foro
Prom Secs measure EXaUst aereouIner
Pars th eandod waranty
— =
6 b=
30

8 Emissions Campaign 2020040002
Eo ® MercedesBenz ~ °
Eo oe rae reer er cen rere ET] ES
er) Ect at as] ct] dg] Cn nt cit te] te |
tt Race of measurement values for function Exhaust gas E «
reel eee een eee “Textended Warranty
FE] Cotaton of agnonisperomance cata
Resetng wamngimessage'SCRACBL ido
Seer apne coins m cacy drys arnt yp ede eae Honey
G| meson eae Pease coc win your waranty cio for cts on extendes werent pais and he eters waranty curaton
Delete tut memory and recor dagnossprtoance dt a aera
EE etna! uppers needed, please cores mare suppor tam wn suppering htm
= Service measure "Exhaust atterreatment” |Components:
Prednepection |AdBiue® system
Pf sence measure Exava atrresient Sere gis
EE | SAceiies metering vive
4 {Ais temperature seser
Theties deter mecle
«Control unit ASBived?
Exnaust system
1 Dleel parc fer
{Diesetonsston eta conarer
1 SOR eal convo
{Soot parte soecr
Sho censrs
{rout go temperate sensors
‘onygen serer
Exnaust gas recirculation
1 Eau ge reteteton axtuster
{eneut ge rereuston esr
“Ropentesoas Svenipe ease
1 Binut gesrecraleton ne .
1 End the XENTRY session
= ENTRY Diagnosis _— Or ee
= Z
a>» c3120v tgnttonon gD
~ Final quick test Fault status filter
ay =| 3 (afc
+ N73 - Electronic ignition lock (NAFTA version) (EZS) v i:
ri = Electronic ignition lock !
+ N3I35 - Motor electronics 'CDI60' for combustion engine 'OM642' (CDI) (Code: MH3|MH5|MH7) v
+ Y3/8n4 - Fully integrated transmission control (NAG2) v
& + N15/5 - Electronic selector module (ESM [EWM] ¥
+ N30/4 - Electronic stabilty program (ESP) F
+ N97 - Level control (ELC) ¢
+ N133 - Transfer case (VG) v
+ N10 - Signal acquisition and actuation module (SAM) v
+ N71 - Headlamp range adjustment (HRA) v
+ N26/15 - Parameterizable special module (PSM) v
+ N118/5 - Fuel pump (FSCU1) a -
> satanicctst F& cieartanmemon || [BY open es resuts i . A
31

8 Emissions Campaign 2020040002
PC ae Sorte ee
BB vehicte determination 12.0V Ignition ON Zz ct
BB ventay veooe Final quick test Fault status filter

S| au | Fer i
XENTRY Diagnosis
(NAFTA version) (EZS) a -
XENTRY TIPS Fi
EB wssasra I60' for combustion engine 'OM642" (CD!) (Code: MH3|MH5|MH7) o
z smission control (NAG2) zi
XENTRY Portal Parts Information
jodule (ESM [EWM], 2
BB sistem settings
fogram (ESP®) ¥
By Print bs 7
(ea
[ xsF v
[2] Help lactuation module (SAM) a
JB, XENTRY login tment (HRA) ¥
+ N116/5- Fuel pump (FSCU!) ¥
= _XENTRY Diagnosis Ce - NCE ya
6 > Diagnosis £312,0V Ignition ON t e@
| Search
| sy
! a1 - Instrument cluster (IC) &
| 84/6 - Muttifunction camera (MFK)
| 884/11 - eCall Russia (E-Call-RU)
|.8161/1 - Outer right rear intelligent radar ser e
| B161/2 - Left side intelligent radar sensor sy!
How do you want to proceed?
8161/3 - Right side intelligent radar sensor
B161/4 - Outer left rear intelligent radar sens,
8162 - Control unit ‘COLLISION PREVENTIG Css RE NTR
| N2/18 - Supplemental restraint system (SRS.
| N3/35 - Motor electronics ‘CDI60' for combus, [Val N
| N10 - Signal acquisition and actuation modul
| N15/3 - Electronic transmission control (ETC [EGS])
| N15V6 - Electronic selector module (ESM [EWM})
| N26/15 - Parameterizable special module (PSM)
| N28/1 - Traller recognition (Trailer recognition module 1 )
| N30/4 - Electronic stability program (ESP®)
| N33V2 - Heater booster (HB)
| N33/3 - Stationary heater (STH)
N39/4 - PTC haatar hanetar (PTO) w
> sorcucctest B
12 Switch off the ignition.
13 Disconnect the diagnostic system.
14 Disconnect battery charger.
32

8 Emissions Campaign 2020040002
Replacement of AEM Parts
15 Lift:
Raise the vehicle.
li)
A description of the lift points is
available on pages 19-20.
Ramps:
Vehicle may remain on ramps.
16 Spray penetrating oil — rs
on the threads of the oY AY me |
NO, sensor upstream a) LN eA vrs
(3) and downstream a WA G a
(5) of SCR catalytic i eX. ‘e4 ,
converter, as shown. |/ ae ESE == aa
J aE A) ee
® - aS
Exhaust system pe —— —
should be cold in Ee F ae
order to carry out ——~ eS
the next steps. wha : 7 7
This avoids injuries. af Ny ey Sed ig 4
Ask d —
Gi] yo 1 =
Observe the wait So —— gee os qT
period and details yi Nog Dp sa / > ware <
provided by the sl Aa Ne
manufacturer of the Bi, J
penetrating oil! py :
Li ee
33

® Emissions Campaign 2020040002
Removal of Upstream NOx Sensor
| ~
A WG. Ma
p ae i: a ME) SS xo
as \ Pigs Psy [ - ea — po ri Se
RES Su re poe A - a .
fae jap yo nao EN Ee 2 le
ae “ 1° 1 eG, 2 oop + ee S
AMA E SE Nite iF ne
bye (LW mui rae i ; 7
LTA Va ENS = Jae
- al vai —<
me ep SS 1 By
Z, P ow r eae
g ary | eee ahh
5 Ve
ng — Nh
DM
17 Loosen the heat shield (47). fi]
This is done by bending up the individual locking
18 Bend the heat shield (47) down until the NOx fins with a screwdriver and unscrew the clamping
sensor control unit upstream of the SCR catalytic nut (48) in a counter-clockwise direction with a
converter (23) is accessible. screwdriver.
19 Disconnect the electrical plug connection (24) i]
NOx sensor control unit upstream of the SCR To do this, unlock the gray retaining tab by moving
catalytic converter (23). in the direction of the arrow.
20 Remove the NOx sensor control unit upstream of J
the SCR catalytic converter (23) from the frame. To do this, remove and dispose nuts (46)
2 . . li)
Remove and dispose the cable ties and retaining Observe state-specific regulations for disposal.
clips (arrows) from harness (22) of the NOx
sensor control unit upstream of the SCR catalytic oe = =
N YW —_
converter (23). re) Pe a M a
22 Remove NOx sensor upstream (3) of the SCR GROEN
v! a Sv (fe
catalytic converter. = i% LZ A, , m
fil y- Ne SN le :
bee ee eee
The contro! unit and the NOx sensor upstream ~{ * Bes omit vk 2 a
(3) of the SCR catalytic converter are a single ene oo SG ee
unit. 2 — =
wl “e a a =
Return the NOx sensor upstream of SCR catalytic
converter (3) to the originating parts department %
23 Clean the threads and the contact surfaces on the
exhaust pipe. return
34

8 Emissions Campaign 2020040002
Removal of Downstream NOx Sensor
24 Remove and dispose mounting tab i , |
(34) from harness (32). |
4 ol
wl on | |
Observe state-specific regulations CO —— 7
for disposal. S i Scere
D re
Pe le
25 Remove and dispose of the Weg | re 7 aN
it Ss I: 7 ps8
clamping nuts (26). = ee ey, ( ee
fi) }_—____ Ne
This is done by bending up the —— a = Pes
individual locking fins with a a. y a sy
screwdriver and unscrew the , ON _acy>é ae
- . 26 25 26 NX G
clamping nuts (26) in a counter- ce ee iy [E> \ 4 “
clockwise direction with a fae : Sb
screwdriver. ve ee A =
[i eo)
26 Remove the heat shield (25). F~ a |
i
: amen 78°30 a
a df f y
Pe =" a Daal gh
Ey 5 | Se <
27 Disconnect the electrical plug connection (30) at the NOx fi]
sensor control unit downstream of the SCR catalytic To do this unlock the gray locking device (29)
converter (27). by moving in the direction of the arrow.
Remove the NOx sensor control unit downstream of the Fa
28 SCR catalytic converter (27) To do this, remove and dispose the nuts (28)
and cable tie (31).
29 Remove the NOx sensor downstream of the SCR catalytic
converter (5). iJ
Observe state-specific regulations for disposal.
li)
The control unit and the NO, sensor downstream of the
SCR catalytic converter (5) are a single unit.
,
@ ws
Return the NOx sensor downstream of the SCR catalytic
converter (5) to the originating parts department. return
35

8 Emissions Campaign 2020040002
Installation of Upstream NOx Sensor
30 Install new NOx sensor
upstream of SCR catalytic EA
converter (3). va 7 —.
) Pe WS Prk
fi] nf De Ae on
Pin SAY
A000 905 85 1180 oy ie Fa a ees
/ - y ae of Fi
(included in package P ary NG ee | t
A642 905 19 00 85) 2 : CS 5. os\ Vee \
NOx sensor upstream of SCR a he Ti if VA oN :
catalytic converter: Torque to | = Be ———
60 Nm / 44.3 ft-lb Cae _
led ae &
31 Install the NOx sensor control 1 7s S 4 ee) ho N er
unit upstream of the SCR i [ § a een |e Yes Se
catalytic converter (23) on the 1s \ Dc. Oh, As. Fs 1 y yt 7 a
frame RIK ld 4 :
NET: - | es =a
Fa f 79 pron _. < =
Use new nut fasteners (46): meh ™
N 000000 003477 [ Le
NOx sensor control unit: _ =
Torque to 9 Nm / 6.6 ft-lb
32 Connect the electrical plug
connection (24).
fi]
Push the gray retaining tab
(24.1) in the direction of the
arrow to lock.
33 Secure the harness (22) with
a cable tie.
a) ~~
A 007 997 56 90 (1x) 3 ee
p va vas
en
34 Bend the heat shield (47) back into ¥ » |i |
old position and install a new clamping nut i y v4 ty al
(48). a : 4’
A000 994 32 11 \ y
- |
in a
To do this, place the clamping nut (48) | J | aie
centrally on the pin, as shown, and slide up
to the stop using a socket wrench. y ~
fi]
36

8 Emissions Campaign 2020040002
Installation of Downstream NOx Sensor
ee A ;
—" se i sala ee ,
Bes Leesa OG e s
ae oo ae Als Ve
wo -.. Si AO)
| Goad 6 |) See <
= ae: ” 2 | ee \
Eo2 re Ie /
a ees o i aN oe
oe ys en es Be eS
3 a i BG
ee 32 |
35 Install new NOx sensor control unit
downstream of the SCR catalytic 37 Connect and lock the electrical plug
converter (27). connection (30).
wl a ing piece (28)
‘A 000 905 84 11 80 (included in Push the gray locking piece (29) in the
package A 642 905 19 00 85) direction of the arrow to lock.
Ree sre mut fasteners: 38 Secure harness (32) with cable tie (31).
Ne I unit: Te li
NOx sensor contr unit: Torque to ‘A007 997 56 90 (1x)
®
Do not route the harness (32) under tension.
36 Install the new NO, sensor . Otherwise damage could occur.
downstream of the SCR catalytic
converter (5) on the new SCR catalytic
converter.
fi]
NO, sensor downstream of catalytic
converter: Torque to 60 Nm / 44.3 ft-lb
37

® Emissions Campaign 2020040002
39 Install the heat shield (25). _—— |
, i - a >
e Rg
Gil P [oes
To do this, place the new Oy
clamping nuts (26) centrally a SS on
on the pin, as shown, and . a im ee
slide up to the stop using a i a
socket wrench. wa pi pa a _ | a
c SS a | . 4)
Ka —_ teen |. __ la i
A 000 994 32 11 Pee ee eT
= — be 9 madl
—
oY [POT Pry — gy 2
26 25 26 c
el ee ict; ues
ys |
Se i
40 Install the new mounting tab (34) on the heat shield (25). L ee x a
fi] vee! * e
A 220 546 18 43 ‘ : ee;
ke 34
41 Clip the harness (32) into the mounting tab (34). A a ce, Be’
. L»
® ~ = 32
Do not kink the harness (32) and make sure it is not routed , ,™ ey
so as to be abraded Ne f= Y we
This prevents damage. Ta | 4
® y | lat
The harness (32) must not touch heat shield (25). i >
This prevents damage. ! ad = a >|
Pr a eel 2
wl bs PAW" |
The layout schematic of the harness (32) has changed on ‘A 7 We oJ | Pa
account of the changed position of the NO, sensor
downstream of the SCR catalytic converter (4).
42 Lift:
Lower the vehicle.
Ramps:
Vehicle may remain on ramps.
38

8 Emissions Campaign 2020040002
Execution of the AEM Special Procedure
43 Connect the battery charger to the Ea =
vehicle's jump posts as indicated. ~ .
(arrows) wa
® —
A sufficient power supply to the Diagnosis £12.0V_ Ignition ON A & e

n Overview
Ex Quick test overview:
dl
ES EY initial quick test —
= > BY Current quick test —
Eg Note:
|As of update 07/2019, new functions are available in XENTRY Diagnosis depending on the selected category/model series.
Information can be found under menu item ‘Help’ in the application menu.
‘Overview
a Quick test view
ae a a
EB> disanosis €3120V ignition on gy
Search
N73 - Electronic ignition lock (NAFTA version) (EZS) -
‘a EZS - Electronic ignition lock
'N3/36 - Motor electronics ‘CDI60' for combustion engine ‘OM642' (CDI) (Code: MH3|MH5|MH7)
‘Y3/6n - Fully integrated transmission control (NAG2)
N18/5 - Electronic selector module (ESM [EWM])
& N30/4 - Electronic stability program (ESP®)
N97 - Level control (ELC)
N133 - Transfer case (VG)
N10 - Signal acquisition and actuation module (SAM)
N71 - Headlamp range adjustment (HRA)
N26/15 - Parameterizable special module (PSM)
N118/5 - Fuel pump (FSCU1)
N141 - Selective catalytic reduction ((SCR GEN2)) (Code: (EUROG/EUROVI Code MA6|MB6|MI6|ML6|MP6))
1N28/t - Trailer recognition (Trailer recognition module 1 )
88/1 - Tire pressure monitor (TP
N80 - Steering column mog
N70 - Overhead control pa '
[pa A i=
43

8 Emissions Campaign 2020040002
ae socnter en a
| £312.0V Ignition ON J eS
The quick test is being performed ... ~
i) Controt unit 6 of 36
|
EZS - Electronic ig
N3/35 - Motor elect 2" (CDI) (Code: MH3|MH5|MH7)
Y3/8n4 - Fully integrated re
=}. | N15/5 - Electronic selector module (ESM [EWM])
N30/4 - Electronic stability program (ESP®)
N97 - Level control (ELC)
O-%
EB> dieanosis c3143V Ignion oN 8
Search Final quick test Fault status filter Time
it sJ}| SiS] J+) I
4) No repair forecasts are available. -_ *
=) N73~Electronic ignition lock (NAFTA version) (EZS) '
+ N16/3 - Electronic transmission control (ETC [EGS)) v
——— 2
+ N30/4 - Electronic stability program (ESP®) i
+ N10 - Signal acquisition and actuation module (SAM) '
+ N141 - Selective catalytic reduction (SCR) ¥
+ N88/t - Tire pressure monitor (TPM) '
+ N80 - Steering column module (SCM) ¥
+ N72i1 - Upper control panel (UCP) ¥
+ N87I8 - Radio (RD) a.
PP setavicntes FG craton || FJ oven resresuts || leenton! novel T ° 5
44

8 Emissions Campaign 2020040002
I= XENTRY Diagnosis ar ee
EB > 0... > NaI35 - Motor electronics ‘¢DI60' for combustion engine “OM642" (CDI) (Code... £914.3V IgnitionON tt), e
n The following safety information must be complied with: 8
1 Safety information for high voltage. |
2 Safety information for fuel
3 Safety information on fan startup
4 Safety notice for regeneration of diesel particulate fiter
| confirm thatpaygiread the safety information:
@)- Hl
First
Second
A y
Osea d}
== XENTRY Diagnosis Seater CSI re
[© 0... > N3!05 - Motor electronics ‘e160 for combustion engine ‘OMé42" (CDI... £3 12.0V. Ignition ON 7He
a @caution!
Important note
At least one NOx sensor is not compatible with the control unit ‘COI software.
«A correct function of the system 'SCR' is not assured.
Further procedure
sléenity core part nuer i XENTRY Pal Pts ifomaton
«Install correct NOx sensor variant.
Note
Ifthe Customer Service Measure (AEM) has not yet been carried out, this message can be ignored.
Press button ‘Continue’ to continue
Current status NOx sensors
Specified value Actual value MB object number
‘A97/1 (Control unit of NOx sensor upstream of GEN1 GEN2 009058x11
SCR catalytic converter)
‘A97/2 (NOX sensor control unit downstream of GEN‘ GEN2 o00s058x11
SCR catalytic converter)
Control unit "CDI"
MB object number for software 642x000
MB object number for software 642:00000x
MB object number for software 642;00000x
Caution page is for information only, and can be ignored when performing the AEM.