® Emissions Campaign 2020040002
Notes on use, material properties and handling of AdBlue®
Notes on use, material
properties and handling of
AdBlue®
Tasks of AdBlue® CAS (Chemical Abstracts Service) no.: 57-13-6
AdBlue® serves to convert nitrogen oxides into water vapor Marking
and nitrogen.
AdBlue® dispensers are marked with the standard
Chemical characterization and composition of designation ISO 22241 or with the trade designations
AdBlue® AdBlue® or Diesel Exhaust Fluid (DEF).
The urea content is 32.5%. AdBlue® consists of urea
dissolved in demineralized water. AdBlue® is not an Transport
additive. In vehicles with BlueTEC technology, AdBlue® is carried in
tank
Chemical formula: H2N-CO-NH2 atean
Molecular weight (urea): 60.06 g/mol
Physical and chemical properties of AdBlue® engine oil, transmission oil, fuel, hydraulic fluid and brake
State: Liquid fluid and not used in the same containers and collecting
. bowls. The smallest amounts of AdBlue® can damage
Color: Colorless, clear, light-yellow thermostats or temperature sensors.
Odor: Slight ammonia odor Operating fluids which contain traces of AdBlue® must not
pH value: 10 (aqueous solution, 10 %) be used again.
Crystallization temperature: -11 °C / 12 °F Handling contaminated AdBlue®
Boiling point: 103 °C /217 °F AdBlue® must be checked as per the repair instructions
Auto-ignition temperature: Not spontaneously inflammable before every fill. Individual components of the exhaust
3 aftertreatment system already react very sensitively with
Density: approx. 1.09 g/cm” at 20 °C / 68 °F even the smallest traces of contaminants in AdBlue®.
Viscosity (dynamic): approx. 1.4 mPa’*s at 25 °C / 77 °F When handling AdBlue® it is important, therefore, to
always use clean containers and collecting bowls which are
Handling contaminated operating fluids only reserved for this purpose. Contaminated AdBlue®
It is essential that AdBlue® be kept separate from other must not be used again.
operating fluids, fuels and lubricants such as coolant,
Handling contaminated materials Handling contaminated tools
Itis essential that AdBlue® does not come into contact with All tools coming into contact with AdBlue® must be
materials used in the interior of the vehicle. AdBlue® thoroughly cleaned with water immediately after use!
oxposed for Oeil witht Justa fow hours from a liquid Only fully dried measuring instruments and filling tools
aiod destroy covenninated suraoeg re OAMag® should be used so as not to dilute the AdBlue®
and destroy contaminated surfaces. concentration.
Textiles, e.g. the reversible mat in the luggage . . .
compartment, which have been fouled with AdBlue® Protecting components when working with AdBlue®
should be alternately cleaned and then rinsed with water AdBlue® leads to corrosion on electronic components and
several times. strong fouling on all other materials. It is therefore
It must be ensured that there are no further traces of necessary to cover up all components in the vicinity over
AdBlue® in the textiles. the whole surface with plastic foil when working in
circumstances where AdBlue® could leak out.
Storage and packaging
Storage at temperatures between 0°C/32°F and 25°C/77°F
should be ensured in order to avoid crystallization occurring
14

® Emissions Campaign 2020040002
Notes on use, material properties and handling of AdBlue®
in AdBlue®. To avoid deterioration in quality due to Not to be used are unalloyed steel, aluminum, copper,
contamination, AdBlue® must only be handled in storage copper-containing alloys and zinc-dipped steel.
and filling systems intended exclusively for AdBlue®.
Suitable container materials are alloyed steel, various
plastics and plastic coatings in metal containers.
Service life and durability The maximum permissible service life of AdBlue® can be
AdBlue® breaks downs during storage into ammonium taken from the MB Specifications for Operating Fluids.
hydroxide and carbon dioxide and then no longer fulfills the . a
Di I I
requirements of standard ISO 22241. isposal and degradability
i Disposal of AdBlue®:
If the recommended storage temperature of a maximum of | sPosal of AcBlu /
25°C/77°F is maintained, the AdBlue® will fulfill the When disposing of AdBlue® the legal requirements of the
requirements of this standard for at least 18 months after country in which the AdBlue® is used must be observed.
manufacture. If this recommended storage temperature is Contaminated packaging/materials:
exceeded then this period is reduced. Duration of storage . . . j
and the temperatures to be used are given as guideline Packaging which contains residues of AdBlue® is to be
values at the end of the document. At temperatures below handled like the substance itself, Packaging should
-14°C/12 °F, the AdBlue® freezes and becomes solid emptied as well as possible; it can then be reused after
, appropriate cleaning with water.
On warming up again the frozen AdBlue® becomes liquid
again and can be reused without any loss of quality.
Constant ambient conditions
Storage temperature in °C/°F - Durability in months
10/50 - 36
$25/77-18
$30 / 86 - 12
$35/95-6
>35 / 95 - --
15

® Emissions Campaign 2020040002
Information on preventing damage to electronic components due to electrostatic discharge
Information on preventing
damage to electronic
components due to electrostatic
discharge
Electrostatic charge The resulting electrostatic discharge (Electrostatic
Every contact and every physical separation of materials or + Discharge (ESD)) can be so strong that a small electric
every movement of solids, liquids or charged particle shock is detected. Even the smallest discharges which
containing gases can generate electrostatic charge. people cannot detect can cause lasting damage to
Plastics generally produce the highest electrostatic charge. _ ©!@ctronic components and control units.
We come across electrostatic charge or discharge in lots of Effects and consequences of ESD
everyday situations, e.g. with: Electronic components and control units are very sensitive
+ Combs to ESD. The damage is often not immediately obvious, but
+ Walking on carpets or plastic floors becomes apparent some time later. In order to avoid
. . . . failures and damage due to ESD in vehicle electronics,
+ Putting on and taking off textiles with synthetic fiber various procedures and safety precautions must be taken
content into account and followed.
+ Disembarking from the vehicle Risk of damage arises during the transportation, handling,
+ Contact between various electrostatically chargeable testing, removal and installation of electronic components
packaging materials in shelves or in the transport during production and repair work
container
The following electronic components listed as an example + The operation-specific documentation in the WIS must
can be damaged by ESD: be observed and the specified special tools and/or
+ Airbag components workshop equipment must be used in each case.
* Control units, in particular their bus connections * Before unpacking, discharge ESD protective packaging
c ller Area N k (data bus/CAN bi CAN at the ESD workplace.
tr t) ti , ‘ ‘
ontroller Area Network (data bus us) ( ) + Avoid any contact with electrostatic chargeable
Local Interconnect Network (LIN) etc. materials such as, e.g. polyethylene, PVC, styrofoam.
* Sensors * Use only original packaging or specially labeled and
+ Mechatronic component parts (actuators etc.) defined packaging and transport materials.
+ Antenna amplifier + Electronic components which have been removed must
. . . be it di ESD kplace.
+ Receivers and displays (Radio, TV, GPS, telephone © pul down on an workplace
etc.) + Electrical connectors on electronic component parts and
in the wiring harness should be touched by their
Modes of behavior and safety precautions housing only. Do not touch pins or contacts!
* Electrostatic discharge of the technician (e.g. by briefly + Electronic components must be installed before they are
touching the vehicle body). connected so that potential equalization with the body
+ Suitable clothing, e.g. made of cotton can take place.
+ Wear ESD safety shoes with conductive soles + Shelves and worktables must stand directly on the floor,
. there must not be any insulating materials between the
. Keep workplace clean and clear away unnecessary base of the shelves/feet and the floor. If the above
objects such as conventional plastics. mentioned insulators cannot be removed, the shelves
+ Special antistatic seat cushion protectors should be and work tables must be grounded (e.g. low-resistance
used when performing repair work inside a vehicle. electrical connection/line from metal shelf to a coolant
+ Leave replacement parts in the original packing for as pipe). .
long as possible, do not tear open seals but cut them + Do not put down conductive containers/crates when
open carefully. insulated,
+ The ESD workplace must conform to the ESD (e.g. on a wooden pallet), as otherwise potential
guidelines. equalization will not take place.
16

® Emissions Campaign 2020040002
Information on preventing damage to electronic components due to electrostatic discharge
+ Do not place control units and electronic components electrostatic charge is transferred to the control unit or
removed from the vehicle on electrostatically electronic component. An ESD service kit or a
chargeable materials, such as PE, PVC, styrofoam. The connected ESD table mat must be used.
Training Return of electronic components in warranty and
Itis strongly recommended that every company has an goodwill cases
ESD officer trained in accordance with DIN EN 61340-5-1. When returning electronic components it is absolutely
The ESD officer can carry out staff training courses. essential to observe the procedure and safety precautions
Y 9 listed. The original fault may be falsified or hidden by
The aim of the training measures is to communicate the electrostatic charge/discharge.
main problems and effects of ESD to staff: . .
. This can lead to distorted fault symptoms in the case of the
+ Discharge generation fault analysis of the component concerned.
+ Reasoning for safety precautions
+ Effects and consequences of ESD
+ ESD rules of conduct and safety precautions
17

® Emissions Campaign 2020040002
Notes on carrying out repair work in the vehicle interior
Notes on carrying out repair
work in the vehicle interior
In order to prevent soiling or damage, the following + When removing bulky or difficult to handle parts (e.g.
information must be observed: bench seat, roof lining, instrument panel etc.), always
+ Before starting repairs in the vehicle interior, the work with aid of at least a second person.
corresponding protective covers must be provided inthe + Do not use dirty or unapproved tools. This prevents any,
repair area for the floor coverings, seats, steering e.g. scratching or crazing of interior parts etc.
wheel, etc. to prevent them from becoming dirty. + Always place removed interior parts on a clean and soft
+ Persons performing work in the vehicle interior should surface.
ensure they have clean work clothes, clean shows and
clean hands.
Further information: customer's request, and cannot be replaced easily if
+ Repair or replace damaged interior parts (particularly gamaged ihe soiled; for this reason, uimost care must be
mounts such as retaining clips, Velcro fasteners etc.). interior when carrying out operations in the vehicle
+ When installing interior parts at the intended locations, R di ith cl db
install insulation material and/or protective foils, or, Daimler a im present with el vending bole Wh
replace insulation material/protective foils as required in daing ler an here ‘able ible othe conn atvilty sr the en
order to dampen vibrations and noise. loing so, where possible, the compatibility of the
cleaning agent should be tested at a concealed area of
+ Many equipment parts in the area of the vehicle interior the part to be cleaned.
have been installed or made specifically to the
18

® Emissions Campaign 2020040002
Lift point locations
iJ
When performing procedure on a vehicle lift
li)
Vehicle must be in a ready to lift position : Ik rs = =
before procedure is started. / IN ie = 4 ie ~
: \
(=) iss b
w gee Lm oe,
Read the operating instructions for = Yin { Os i
the vehicle lift. || eed: N —— nw
nse = ie Z
cme ee Oe
Me || Sag
5 Fay ro as] -
Lift mounting points on the vehicle = WU
in the area of the front axle -g MG pa KS 08 02
01 spring clamp plate NeW oe
02 longitudinal member Pec ee ee .
08 bracket < > en > a a @»
o11 arm of hydraulic lift | a = .
013 long support plate 5 a
017 support drift = : Gu | «
4 a
aa 7 —
wm eal
Vga 7 vase j f
‘Sg ee = ops
e r é 7 i
Ey bam es yw)
i +l
r yo: SS
LT — ——*
/ (J 7 ay
f U = as =. S =
P ss / 2 { oe {az SS
—
Y Al Pa N\ < : é a A ees
We aA pm | 2 er
OS) Fe eee —
ao} SSE) Be ee Be
Ug} :
Lift mounting points on the vehicle in the area of the rear axle
03 front rear spring bracket 07 crossmember 014 v-block
04 longitudinal member 017 arm of hydraulic lift 016 prop
06 front rear spring bracket 013 long support plate
19

® Emissions Campaign 2020040002

Picture reference Pick-up point
Information

03 Support at rear to front rear spring

bracket.

04 Rear support at longitudinal member. - If possible, always support at rear
Install at longitudinal member (4).

[os rst onirontrcar serine bracket

012 Support plate. - For front support to spring clamp plate
(1). Unscrew support plate (012) at right
and left an equal distance.

- In vehicles with vehicle lift support
point at integral carrier (5).

013 Long support plate - For front support at longitudinal
member (2) and support at front rear
spring bracket (6). Can be used
alternatively to front support to spring
clamp plate (1). Pull out long support
plates (013) at right and left an equal
distance.

- In vehicles without a vehicle lift
support point at the integral carrier (5)
in the vicinity of the inner mounts of the
semi-trailing arms.

014 V-block - For rear support at front rear spring
bracket (3) and rear support at
longitudinal member (4). Pull v-block
(014) at right and left rear out an equal
distance.

016 Ram - Vehicles with heavy bodies and panel
vans/crewbuses with a long wheelbase
at the crossmember (7) should be
supported with a prop (016).

017 Support drift - With soundproofing Ensure that
support drift (017) does not make
contact with bracket (8) of rear
soundproofing. If necessary, loosen
bracket (8), push towards the front as
far as possible and retighten it.
Otherwise the brackets (8) of the rear
soundproofing and the longitudinal
members may be damaged.

- For front support to longitudinal
member (2). Unscrew support drift
(017) at right and left an equal distance.
Secure vehicle on lift.
Heavily loaded vehicles, vehicles with a heavy body and
vehicles with unfavorable load distribution must be
secured.
Otherwise these may fall.
20

® Emissions Campaign 2020040002
Instructions for driving onto ramps
When performing procedure on omen q
ramps. =
QI -
(iJ L . vores aN
Vehicle must be driven onto ramps pre 1, Cy
before procedure is started, and patie. ae
may remain on ramps for the a R,
entire procedure. ig ta
Race Ramps are available for A gi
order from MBUSA Standard —
Service Equipment Program = poke =
(SSEP): www.mbusassep.com Vin) 4 ~
Part number: AS ) ©
784-RR-HTVR-RC-KIT a ~
li]
Read the operating instructions provided by the manufacturer
of the ramps. Since these are ramps that have not been built
or tested by Mercedes Benz, no information can be given on
safety. Mercedes Benz excludes all liability when using these
ramps.
1 Place the vehicle on a clean, firm and 3 Drive the vehicle onto the ramps until it is
level surface. positioned in the end position specified by
Fa the manufacturer of the ramps.
Make sure that there is enough space to ®
the front. Drive the vehicle slowly and at a constant
speed onto the ramps.
A . Otherwise the vehicle may be damaged.
2 Place ramps in the middle (arrows A) of
the front wheels. Gi]
Fa If necessary, include a helper to instruct
The ramps must be aligned parallel to you
each other.
4 Secure the vehicle against rolling away.
For example, by applying the parking
brake and by placing a wheel chock
(arrow B) on the rear wheels.
2

8 Emissions Campaign 2020040002
Initial Quick Test
1 Switch off the ignition.
2 Disconnect Geotab, Omni Track, Navigation
or any aftermarket devices that are connected
to the X11/4 diagnostic socket.
3 Open the hood.
li]
Verify Vehicle Identification Number (VIN)
on vehicle VIN markings matches VIN on
Repair Order exactly. Correct VIN errors
on RO before RO is closed at your
dealership.
4 Connect the battery charger to the Ea es
vehicle's jump posts as indicated. * -
(arrows) a
® —
A sufficient power supply to the == Se = .
vehicle on-board system must be a iS [a
ensured throughout the entire work SS ~ NS = :
procedure. Tas a). x og
= i SS
Otherwise any undervoltage that = > My aii =i rs 7 So ®
occurs may damage the control = all hee a} aa
units. aw a Sl aN °
3 Cees) 1 Mae | GY
fi ey aa Soe ) creep a aaa VY \
Do not connect the battery charger to wy BZ ie Sw KE |
the auxiliary battery in the engine S Ge ers ie On i a NUNN SO
compartment. 2 tae RT| w/ feares) Yc
SS el eel im A
Sa Wl u » (- 4
Gi) = - i ase: |
Follow the operating instructions for as El Su ae a :
the battery charger. a i, (Pees Jy — ~~
fi]
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.
22

® Emissions Campaign 2020040002
A aE
j ~—S an ||
yl (Pee fn SS Bi a
Dike eles (OY - ia e in Ae ae
pos A \ IS = K « | , Re: fA)
y EN — ' Gq 8 1 |
q Sh Za A” oe ; : ren
5 v ye bi j i (ey
Al — j a i z +
A SN ery
Tv Y re —4
» X S TY
ct be. cy gb a cy
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aCe . i ~~ ee
ig) Age TR |e) Cae eR
ONE Get
4q \' [2 . a t ear“a ar
Peat Aq , i\ Te I
tb nn| YW th Gina
5 Ensure XENTRY is fully updated with the 9 Run XENTRY and perform Quick Test. Upload
latest release and all available add-ons. Initial Quick Test print-out to paperless pXD.
6 Connect the diagnostic system. Make sure Gi] . .
that the OBD2 connection cable is Ensure Vehicle Identification Number (VIN)
connected directly to the factory X11 /4 readout in XENTRY/DAS matches vehicle
diagnostic socket and not via an adapter VIN markings exactly. If not, please open a
cable. PTSS case with photos of VIN markings and
XENTRY/DAS Quick Test showing VIN
7 Switch on the ignition. readout.
The diagnostic system remains connected to Pre-existing faults causing a Check Engine
the vehicle throughout the work procedure! Light must be evaluated. Reference Pre-
Do not disconnect the diagnostic system's Inspection Notes on page 2.
online connection. Gil
The procedure via the diagnostic system is
8 Start the diagnostic system. shown on the following pages.
10 Perform Emissions Modification Pre-Inspection.
23

8 Emissions Campaign 2020040002
Saks S
‘4 1 ai r
XENTRY Diagnosis Pad
| “ Ce eR Par
aa | Nis1s- tectonic selector module SEM)
“ |N30/4 - Electronic stability program (ESP®)
N97 - Level control (ELC)
Oe
aes er T) MercedesBenz ~ "
[—P c3120v gntionon ts
Final quick test, Fault status filter
&| “| 8 [ayer
“+ N73 - Electronic ignition lock (NAFTA version) (EZS) ¢ é
———— :
| + N3/3S - Motor electronics 'CDI60’ for combustion engine 'OM642' (CDI) (Code: MH3|MH5|MH7) Pa
| + ¥3Ven4 - Fully integrated transmission control (NAG2) ¥
& | + N15I5 - Electronic selector module (ESM [EWMl) ¢
| + N30V4 - Electronic stability program (ESP®) Zi
| + 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) ¥
| + N418/5 - Fuel pump (FSCUt) a -
= Fe cextamenon ||) crwresreae
27

8 Emissions Campaign 2020040002
€_ XENTRY Diagnosis rine D) Mercedes-Benz 7
[B® venice determination £312.0V Ignition ON ZX O@
BB entry veooe Final quick test Fault status filter /
zB a es ee
BB xentRy diagnosis aad —
(NAFTA version) (EZS) a -
(B xenrey ties r
WIS/ASRA p60" for combustion engine '0M642' (CDI) (Code: MH3|MHS5|MH7) iz
XENTRY Portal Parts information [=msslon sonttol (NAGS) i
odule (ESM [EWM]) ¥
system settings
Bs = ogram (ESP) we
______l ‘
XSF - a =
[2] Help tion module (SAM) se
JB. XENTRY login tment (HRA) ~
BR) QuitLog off cial module (PSM) v
+ NIT85 - Fuel pump (FSCU1) ae -
=o 2G cerns | om res ue }
aero any ee
12.0V Ignition ON tt.
[> dieanosis oe aaa 45
Search ‘Document selection
nm < | > ||) whole page i
eTear) First
+ N73- Electronic janition lock (NAET a -
| iezsueedienie] Second Initial quick test / _| u
FE] | + Na9s- Noor secon GORD rcs initial quick test with fauit freeze frame data oe |S
| Final quick test 3
+ Y8/8n4 - Fully integrated tr eng Final quick test with fault freeze frame data ~
& + N16(6 - Electronic selector module rt | 2
+ N30/4 - Electronic st EME © Printer: | v
+ N97 - Level control (EW ¥
+ N133- Transfer case (VG) Omen Name file: v
manos Spa GaTGHESE aT SSN Initial quick test with fault freeze frame data 7 Qj1 ¥
PNK) Third IStment (HR HT output English ¥
SOc 4 = a) 7
+ N14@/5 - Fuel pump (FSCU1) Fourth [== —— a -
Pre-existing faults causing a Check Engine Light must be
evaluated. Reference Pre-Inspection Guide on page 2.
28

8 Emissions Campaign 2020040002
Pre-Inspection Special Procedure
So ee ery ne es
5 s
EB> viagnosis ca120v igntonon et)
‘Search Final quick test Fault status filter ‘Time
a “| [w}rrj | Spmeone
+ N73 - Electronic ignition lock (NAFTA version) (EZS) ¥ cB
‘= + EZS - Electronic ignition lock ft
+ N3/B5-- Motor electronies ‘CDI6O for combustion engine ‘OM642" (CDI) (Code: MH3|MHSIMHT) v
+ Y3/8n4 - Fully integrated transmission control (NAG2) v
& + N15/5 - Electronic selector module (ESM [EWM]) v
+ 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) v
+ N26/15 - Parameterizable special module (PSM) ¥
+ N118/5 - Fuel pump (FSCU1) ¥ Et
PD setanicrtest fe Cteartoutmeman || BJ oven rs resuts nenttest pr tinue
EB> cieznosie > w3133 - Motor electronics OHS for combustion engine °OME51" (CDI) (Code: MHSIMHE) ©1370 Ignton ON kD
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