1997 MERCEDES-BENZ ML320 transmission fluid

For these vehicles the service sheet for the Active Service System (ASSYST) and the maintenance manual
volume 4 apply.
With the ASSYST service sheet the previous distinction between care service and maintenance service no
longer applies. Instead, the service category A (minor service) and service category B (major service) have been
introduced.
The service scopes for each model series can be seen in the respective valid service sheet.
The order no. is stated on the particular SERVICE SHEET.
On manual transmissions, automatic transmissions, transfer cases, front axles and rear axles the service item
"Check fluid level" has been replaced by an inspection of all visible parts for leaks.
In view of the fact that these components are not oil consumers, as is the case for the engine, a loss of oil can
occur only to the outside.
If any leaks are present, the procedure, as before, is to determine the cause and to rectify it subject to a separate
repair order.
The service operations carried out should be documented in the boxes in front of the operation titles. It is
essential to ensure that the specified service operations are carried out in full.
An indication is given in the boxes after the operation titles of which service operations should be carried out
for service category A (minor service) or service category B (major service). Enter a cross behind these boxes to
identify any items which are not in proper order when the vehicle is received.
Additional operations should be defined by the service adviser in agreement with the customer and an indication
should be made on the service sheet whether these additional operations are to be carried out.
Fig. 642: Service Intervals/Work Sheets


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CHECK ALL VISIBLE PARTS FOR SIGNS OF LEAKS AND DAMAGE - AP00.20-P-0053GH
MODEL 163.113 /128 /136 /154 /157 /172 /174 /175
INSPECTING CHASSIS AND LOAD-BEARING BODY PARTS FOR DAMAGE AND CORROSION - AP00.20-P-0090GH
MODEL 163
with Code Z04/Z07
Model 230AP00.20-P-0001L
Model 414AP00.20-L-0001A
Taxi serviceModels 202, 210AP00.20-P-0007A
Model 203AP00.20-P-0007C
Remove
Detach lower engine
compartment panelingModels 163.172/174/175AR61.20-P-1105GH
Remove noise
encapsulationModel 163.113/128AR94.30-P-5400GH
Check

2If traces of fluid are noted
(e.g. oil), then determine
and correct the cause (on a
separate work order).
Check for leaksEngine:
Transmission
Transfer case
Front axle
Rear axle
Pressure oil pump
3Check for leaks and fixingShock absorbers,
suspension struts
4Inspect for leaks and
conditionRubber boots of front axle
shafts
5Inspect lines and hoses for
leaks and condition, pay
attention to chafing points
and routingRadiator
Fuel system
Exhaust system
Clutch actuation
Automatic transmission
Power steering
Brake system
Install
Install lower engine
compartment paneling.Models 163.172/174/175AR61.20-P-1105GH
Install noise encapsulationModel 163.113/128AR94.30-P-5400GH
1Visual inspectionControl arm mountings and
control arms of front axle

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GENERAL GEAR OILS - BB00.40-P-0231-00A
General information
The gear oils approved for assemblies installed in MB vehicles are classified according to their application into:
Hypoid gear oils Sheet 235.0/.6/.7/.8/.9.20
Gear oils Sheet 235.1/. 4/. 5/.10/. 11 /. 12/.13/. 15/.27/.61
Automatic transmission fluids (ATF)
Sheets 236.1/.2/.3/.5/.6/.7/.8/ Sheet 236.9/.10/.11/.20/.81
Frequently the "gear oils" fulfill multifunctional requirements, which is why they are used in a wide variety of
transmission designs and hydraulic systems. However, where very specific technological properties of the
transmission oil are required, special transmission oils had to be formulated for these major assemblies and
these are listed on separate sheets of the Specifications for Operating Fluids and explain the large number of
sheets for transmission oils.
The Mercedes-Benz standard for the corresponding lubricant quality and the area of application for assemblies
installed in MB vehicles are documented in the various sheets.
The overviews on Sheets 231.1/.2/.3 provide the allocation of the operating fluid sheets (lubricant quality) to
their use in the respective assemblies.
Requests
Gear oils are, like all lubricants, design-specific materials which only fulfill their task best if they are perfectly
matched to the materials in tribological contact with them.
These specific material requirements can be subdivided into structural, technological and material requirements
and are the primary properties that vehicle gear oils have to fulfill.
The general requirements, which are not any less important, are classified into shelf life, environmental
compatibility, worldwide availability, economy and the constant quality of the guaranteed lubricant properties,
which must meet the Mercedes-Benz standards worldwide.
Disposal
All approved gear oils, either fresh oil or used oil, are valuable substances which can be reused using the
appropriate recycling method for the material. The detailed disposal methods can be found in the waste
guidelines for the countries.
Yacco VX 1600 XYacco SAS, Saint-Pierre-
les-Elbuf/France

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of repairs or for service fills.
2.6 Transmission oils, sheet 235.11
The fully synthetic gear oils are approved for all MB commercial vehicle manual transmissions installed
in MB vehicles with steel/molybdenum synchronization with and without oil coolers, in MB transfer
cases with and without oil coolers as well as in ZF manual transmissions with steel/molybdenum
synchronization.
Due to the favorable viscosity/temperature characteristics, a good cold-shifting response and, due to the
composition of the transmission oil, a good thermal/oxidative stability of the oil at high transmission oil
temperatures as well as a fuel savings potential depending on the operating conditions can be expected.
2.7 Engine oils, sheet 235.12
The engine oils must be used with a common oil system for transmissions used in tropical countries, and
for manual transmissions with a torque converter and clutch unit. These engine oils display the very high
seizure resistance required for use in transmissions. The oils need not comply with the engine oil pour
point specifications in these Specifications for Operating Fluids.
2.8 Engine oils, sheet 235.27
Commercial vehicle retarder oils: the products listed in the tables apply to commercial vehicle
transmissions: see MB Specifications for Operating Fluids 231.2. The engine oils are suitable for retarder
use. The oils need not comply with the engine Specifications for Operating Fluids 231.2. The engine oils
are suitable for retarder use. The oils need not comply with the engine oil pour point specifications in
these Specifications for Operating Fluids.
3. Automatic transmission fluids (ATF), sheet 236.1/.2/.3/.5/.6/.7/.8/.81/.9/.10/.11/.12/.13/.20
ATFs are comparatively low-viscosity gear oils which, due to their universal use potential as a gear oil or
a hydraulic fluid, can cover a wide spectrum of applications. The ATFs in the individual their universal
use potential as a gear oil or a hydraulic fluid, can cover a wide spectrum of applications. The ATFs in the
individual sheets differ essentially due to their inherent friction coefficients in tribological contact. This
property predestines these oils as function fluids for automatic transmissions whose ease of shifting,
among other things, is considerably affected by the friction coefficient of the ATF. Therefore, to achieve
optimum performance of the vehicles, only the ATF quality (sheet no.) assigned to the major assembly is
to be used. The individual ATF qualities will be described in greater detail below.
3.1 Automatic transmission fluids (ATF), sheet 236.1
The approved ATF correspond to the currently no longer valid GM specification Dexron II-D or the
currently valid GM specification Dexron III.
The field of application of these ATF includes MB automatic transmissions without controlled torque
converter lockup clutch in passenger cars, ZF Ecomat transmissions, Allison automatic transmissions,
Voith-Diwa transmissions and MB automatic transmissions in commercial vehicles and busses except

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W4B035.
3.2 Automatic transmission fluids (ATF), sheet 236.2 , for MB passenger car and commercial vehicle
transmissions with non-ferrous metal synchronization except front-wheel drive manual transmissions of
the A-Class (see Section 2.5, Sheet 235.10), Allison transmission, commercial vehicle power steering,
hydraulic fan drive.
The ATF must meet all the requirements of the transmissions with nonferrous metal synchronization.
These include, in particular, wear protection against pitting and seizure as well as a defined friction
coefficient of the synchronizer components that is as constant as possible over the entire service life. As a
hydraulic fluid, the ATF is used for hydraulic power transmission and for protecting the hydraulic
assemblies from wear. The seal compatibility must be ensured with all elastomer materials used.
If the approved ATF are not available, engine oils according to sheet 227.0, SAE 10W or, depending on
the outside temperature, 20W-20 can be used in the above-mentioned synchronized manual transmissions
as a makeshift measure (queries should be directed to the Abt. Betriebstoffe EP/QWB (EP/QWB
Operating Fluids Dept.).
The approved ATF according to Sheet 236.2 correspond to the currently no longer valid GM specification
Type A Suffix A. The kinematic fresh oil viscosity at 100°C must be at least 7.0 mm
2 /s, after shearing
(as per CEC- TLPG 7) at least 6.0 mm
2 s.
3.3 Steering gear oil, sheet 236.3 , for all commercial vehicle steering systems, except vans T0 and T1N,
power steering systems for passenger cars, except
S-Class W220, power pack of the A-Class, and cross-country vehicles, manual steering L 075 Z for
passenger cars and manual steering in cross-country vehicle.
In the S class W220, in the Power-Pack of the A class as well as in the Transporters T0 and T1N as
of/below outside temperatures of 25°C the hydraulic fluids according to sheet 345.0 must be used.
3.4 Automatic transmission fluids (ATF) and/or engine oils, sheet 236.5 , for Allison transmission HAT
700
The oils listed here correspond to the Allison-C4 specification. Allison automatic transmissions in makes
AT 500, MT 600, S1000, S2000, World Transmission MD 3000, HD 4000 must only be filled with the
oils specified in Sheet 236.9 or TES 295.
If prior to starting the vehicle the gear oil temperature is below the critical temperature for the oil used,
then either the gear oil should be prewarmed or the transmission should be warmed up while in neutral.
Automatic transmissions in the model series CLBT 750 must only ever be filled with oils according to
Sheet 236.5. Under extreme operating conditions or for off-road use and/or with outside temperatures
higher than 30°C an engine oil of SAE grade 30 and/or 15W-40 from Sheet 236.5 should be used.
Depending on the outside temperature during vehicle operation, the oils used must be selected from the
followin
g diagram according to their SAE viscosity class and/or Dexron specification:

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Fig. 644: Automatic Transmission Fluid Sheet
3.5 Automatic transmission fluid (ATF), Sheet 236.6 and 236.7 , for MB automatic transmissions
without regulated torque converter lockup clutch in passenger cars and commercial vehicles and buses
(W4B035 only as of major assembly end no. 005733), ZF Ecomat transmissions, Voith-Diwa
transmissions, commercial vehicle and cross-country vehicle power steering systems. If the approved
ATF according to sheet 236.2 are not available, ATF according to sheet 236.6 can be used in
synchronized passenger vehicle manual transmissions, except GL 76/30-5 and GL 275E (the two sports
transmissions always require ATF according to sheet 236.6) as a makeshift measure.
The approved ATF according to Sheet 236.6 and 236.7 correspond to the currently no longer valid GM
specification Dexron II-D. The kinematic fresh oil viscosity at 100°C must be at least 7.0 mm
2 /s, after
shearing (as per CEC- TLPG 7) at least 6.0 mm
2 /s.
3.6 Automatic transmission fluid (ATF), Sheet 236.8 , for ZF Ecomat transmissions, Voith-Diwa
transmissions, MB automatic transmissions in commercial vehicles and buses except W4B035 and MB
automatic transmissions without regulated torque converter lockup clutch in passenger cars (only in arctic
climates).
The approved ATF correspond to the no longer valid GM specification Dexron II-E, Allison C4, Voith
lubricant lists G 607 and G 1363 as well as ZF lubricant specifications TE-ML 14.
Automatic transmission fluid (ATF), sheet 236.81 , for MB automatic transmissions without controlled
torque converter lockup clutch in passenger cars, MB automatic transmissions in commercial vehicles and
buses except W4B 035 as well as ZF Ecomat transmission, Voith-Diwa transmission.
The approved ATF corresponds to the ZF lubricant specifications TE-ML 09, TE-ML 14 and the Voith
lubricant lists G 607 and G 1363.
Automatic transmission fluid (ATF), Sheet 236.9 , for MB automatic transmissions without regulated
torque converter lockup clutch in passenger cars, ZF Ecomat transmissions, Voith-Diwa transmissions,
Allison transmissions.

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The ATF correspond to the valid GM specification Dexron III, Voith lubricant lists G 607 and ZF
lubricant specification TE-ML 14.
3.9 Automatic transmission fluid (ATF), Sheet 236.10, for MB automatic transmissions with and without
regulated torque converter lockup clutch (GKUB) in passenger vehicles. This ATF is provided ex works
as lifetime oil in all MB automatic transmissions with regulated torque converter lockup clutch - model
series 722.6 - in passenger cars. For repair work, only the ATF quality specified in sheet 236.10 may be
used for refilling in this new generation of automatic transmissions, and this can be obtained in a 1 liter
container under the part no. 001 989 2103.
All MB automatic transmissions without regulated torque converter lockup clutch in passenger vehicles
can either be filled with the ATF according to Sheet 236.10 or the ATF according to the Sheets
236.1/.6/.7/.81/.9.
3.10 Automatic transmission fluids (ATF), sheet 236.11 , for ZF automatic transmission "IF 4 HP 20"
and the automatic transmission oil circuit of the VW automatic transmission "AG4"
The approved ATF are usually only used in the event of repair or for refilling.
3.11 Automatic transmission fluids (ATF), sheet 236.12 , for 7-gear automatic transmission oils (ATF), is
also downwards-compatible for all 5-gear automatic transmissions.
3.12 Sheet 236.13 , repair solution for MB automatic transmissions without regulated torque converter
lockup clutch in passenger cars with the complaint of "double harsh engagement after engaging drive
mode D", the MB automatic transmission fluid - part no:.
A 001 989 2303 11 - and/or the ATF "ATF MB 274" from Exxon Mobil Corporation, Fairfax, Virginia,
USA, must be used. The ATF "Shell ATF MB" and/or the MB automatic transmission fluid with the part
no.: A 001 989 0703" previously approved for the above-mentioned application must no longer be used,
but can be used up as an ATF for oil changes necessary as a result of maintenance.
3.13 Automatic transmission fluids (ATF), sheet 236.20 , for CVT transmissions that are used in
Mercedes-Benz A-class and B-Class vehicles with CVT transmission, model 169, 245 with transmission
722.8
SPECIFIED GEAR OILS (CARS, CROSS-COUNTRY VEHICLES) - SURVEY - BB00.40-P-0231-01A
• Should be used
o Can be used
Passenger car, sheets 235.0 to 235.61
Major assemblySAE gradeSheet No.
235.0235.1235.7235.10235.15235.61
Front axle
(4Matic)85 W-90,
90o •

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AUTOMATIC TRANSMISSION FLUIDS (ATF, SHEET 236.6) - BB00.40-P-0236-06A
automatic
transmission
MB
automatic
transmission
W 4 B 035
6.)
ATF ••
Voith/ZF
automatic
transmissionATF• •••• •
Allison
transmission
9.)
ATF o10.) •
ZF 4 HP 20ATF •
AG4 -
automatic
part •
- final-drive
assembly
This table only serves as an overview!
• Should be used.
o Can be used.
When changing to a different oil:
Change service life factors in the maintenance system (WS) and pay attention to specified maintenance
intervals.
1. Only for: G 1/18-5, G 3/50, G 3/60 without MS synchronization
2. Use engine oils as under Sheet 235.12, SAE 30 for common oil circuits with ZF torque converter
clutch 400
3. Transmissions with oil coolers only.
4. With intarder 5.)
5. Use engine oils as under Sheet 235.27, SAE 30 for common oil circuits with ZF torque converter
clutch 400
6. Only install W 4 B 035 as of major assembly end no 00 57 33 or modified shift plate. 00 57 33 or
fit modified shift plate.
7. Only for: G 1/18-5, G 3/50, G 3/60 with MS synchronization
8. Only use in exceptional cases! If no synthetic oil in accordance with 235.4 or 235.11 available.
9. For Allison transmissions, it is absolutely essential to observe the application instructions on
Sheet 231.0 under point 3.4!
10. Sheet 236.5 only for HT700

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