1997 MERCEDES-BENZ ML500 oil

P18.20-2022-01

1
Engine 611.961 as of 07.99, 611.962, 612, 613, 646, 647, 648:

Remove trim panel of cylinder head cover and trim panel of charge air distribution pipe.

2
Model 203, 211:

Remove fastening clamp (arrow) of fuel line.

3
Remove screw cap (1) with wrench socket

and take off together with oil filter element
(3).

4
Replace seal (2).

5
Insert new oil filter element (3) into oil filter housing.

6
Fasten the screw cap (1) with bolts using a socket wrench bit

.
7
Model 203, 211:

Install the fastening clamp (arrow) of the fuel line.

8
Engine 611.961 as of 07.99, 611.962, 612, 613, 646, 647, 648:

Install the cylinder head cover trim panel and the charge air distribution pipe trim panel

.

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AF01.40-P-4000AU
Oil leak out of drain opening on left side of engine (cylinder 6)
21.1.98

ENGINE
112 in MODEL 129, 163, 170, 202, 203, 208, 210, 220

ENGINE
113 in MODEL 129, 163, 202, 208, 210, 215, 220

ENGINE
112 in MODEL 463

ENGINE
113 in MODEL 463

Modification notes

23.3.99

Supersedes STIP no. 01.40-004 dated 15.1.98
Validity and cause modified

Damage code
Cause
Remedy

Threaded connection of oil duct in

front of crankcase V is installed without or

with a damaged sealing ring.

Consequently, engine oil in V of crankcase

below intake module. Engine oil flows out of

drain opening on left side of engine behind

cylinder 6 and 8 resp.

1
Remove intake module

2
Replace sealing ring

Parts ordering notes

Part no.

Designation
Quantity

023 997 70 48
Sealing ring
1

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Page 1

BT27.10-P-0006-01W
Oil pan and overflow tube modified

k

TRANSMISSION
722.901

P27.10-2139-06

To improve fluid supply to the transmission,

the transmission oil pan and the overflow tube

have been redesigned.

The characteristic sloped surface (arrow) can

be used to identify the new oil pan (1). This oil

pan configuration should be installed only

together with the white overflow tube (2).

The fluid temperatures used as references for

checking and refilling are different with the

new components.

Whenever a transmission is removed for repairs, the earlier oil pan (3) with the black overflow

tube (4) should be replaced by the new sloped-surface version (1) with the white overflow tube
(2).

P27.10-2140-03

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GF18.40-P-4111-02A
Oil sensor function

n

P18.40-2046-12

B40
Oil sensor (oil level, temperature and quality)

2
Temperature sensor (PT1000)

A
Capacitive measuring range

C 1
Top condenser

C L
Capacitive air

C
OIL
Capacitive engine oil

C 2
Bottom condenser

h
Fill level

Oil level and oil quality are detected on the basis of the capacitance

of the engine oil (dielectric). The oil temperature is detected by the

temperature sensor. All the signals are processed in the electronics

to form a PWM signal and transferred to the engine control unit.

The measuring principle of the oil sensor is a capacitance

measurement, whereby the capacitance is dependent upon the oil

level. The measuring system consists of two cylinder condensers

which possess a metal pipe as a common external electrode. Both

other electrodes are arranged over each other as an inner pipe.

The dielectric constant of the engine oil is determined by the lower
condenser (C
2
) which is always full of oil (

e
approximately 2.3 to 4.0).
The fill level (h) is then determined by the upper condenser (C

1
)

using the dielectric constant. The capacitance of the upper

condenser (C
1
) is calculated on the basis of a parallel connection
with two condensers which have air and engine oil as a dielectric

material.

The condensers are located in a plastic housing which serves as a

damping cup. The engine oil flows through the feed bore holes into

the housing between the condensers.

The measuring range for the oil level is 80 mm

(normal level

F
40 mm), accuracy of measurement approx.

F
3 mm.

The voltage for the oil sensor (approx. 5 V) is supplied by the engine

control unit.

P07.61-0445-05

Signal assignment oil sensor

1
On/off ratio signals
Okay

A
Oil temperature
20 to 80%

B
Oil level
20 to 80%

C
Oil quality
20 to 80%

2
On/off ratio signals
>80 %

A
Oil temperature
> +160 °C

B
Oil level
>80 mm

C
Oil quality
e
>6

3
On/off ratio signals
<20 %

A
Oil temperature
< - 40 °C

B
Oil level
<0 mm

C
Oil quality
e
< 1

T
pulse duty factor
100 %

Each information block consists of three successive square-wave

signals, This is followed by a short pause.

A measured variable is assigned to each square-wave signal (A, B,

C). The quantisizing in each case is based on the on/off ratio (T) of
approx. 20 to 80 %.

Because oil level and oil quality (capacitance of the engine oil) are

dependent of each other, this information is first compensated for in

the engine control unit, before it is transmitted via CAN databus to

instrument cluster.

The following faults at the oil sensor are detected by the engine

control unit and entered in the fault memory:

- Duty cycle of a signal less than 17 % or more than 83 %

- Dielectric constant of engine oil longer than 100 seconds greater

than 5.8 (e.g. because of a lot of water in the engine oil).

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GF18.40-P-4111A
Oil sensor, location/task/design/function
15.10.96

ENGINE
111.951 /955 /956 /957 /982

ENGINE
112.910 /911 /912 /913 /914 /916 /917 /920 /921 /922 /923 /940 /941 /942 /943 /944 /946 /947 /949 /9 53 /954 /955
/970 /972 /973 /975

ENGINE
113.940 /941 /942 /943 /948 /960 /961 /963 /965 /966 /967 /968 /969

ENGINE
166.940 /960 /990 /995

P18.40-2104-11

Shown on engine 112, 113 in Model 129, 163, 170, 202, 208, 210,

215, 220
1
Electronics with 3-pin plug connection

B40
Oil sensor (oil level, temperature and quality)

A
Capacitive measuring range at sensor

C
Plug connection

Pin 1: output signal

Pin 2: GND

Pin 3: voltage supply
Oil sensor position
Motor 111.951/ 955

GF18.40-P-4111-01GS

M112113 in Model 129, 163, 170, 202, 208,

210, 215, 220 and model 203, 211with 4MATIC

GF18.40-P-4111-01A

M112, 113 in Model 203, 211 without 4MATIC

and model 209

GF18.40-P-4111-01AA

M166

GF18.40-P-4111-01GC

Oil sensor task
Detecting oil level, oil temperature, oil quality

Oil sensor design
The oil sensor consists of:

D
Electronics with 3-pin connector

D
Capacitive measuring elements

(condensers)

D
Temperature sensor.

Oil sensor function

GF18.40-P-4111-02A

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GF18.40-P-4111-01A
Oil sensor position

n

P18.40-0247-06

Location of oil sensor, engine 112, 113 in

model 129, 163, 170, 202, 208, 210, 215, 220

Model 203 with 4MATIC
Model 211 with 4MATIC

B40
Oil sensor (oil level, temperature

and quality)

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BB00.40-P-0229-03AMultigrade engine oils (Sheet 229.3)

For use in vehicles/engines refer to
#

Sheet 229.3
Sheet 223.2

BB00.40-P-0223-02A

For specified viscosity grades refer to
#

Sheet 224.1 (passenger-car engines)

BB00.40-P-0224-01A

Sheet 224.2 (commercial-vehicle

engines)

BB00.40-P-0224-02A

Product name
0W-300W-405W-305W-405W-50
Company, town, country

76 Pure Synthetic Motor Oil
X
ConocoPhillips, Costa Mesa, CA, USA

Addinol Extra light MV 038
X
Addinol Lube Oil GmbH, Leuna, Germany

Addinol Super light MV 0546
X
Addinol Lube Oil GmbH, Leuna, Germany

Addinol Super power MV 0537
X
Addinol Lube Oil GmbH, Leuna, Germany

Agip Eurosport
X
ENI S.p.A. - Refining & Marketing Division, Rome, Italy

Agip Extra HTS
X
ENI S.p.A. - Refining & Marketing Division, Rome, Italy

Agip Sint 2000 Evolution
XX
ENI S.p.A. - Refining & Marketing Division, Rome, Italy

Agip Sint Turbodiesel Evolution
X
ENI S.p.A. - Refining & Marketing Division, Rome, Italy

Agip Synthetic PC
X
ENI S.p.A. - Refining & Marketing Division, Rome, Italy

Agip Tecsint SL
X
ENI S.p.A. - Refining & Marketing Division, Rome, Italy

Agip Tecsint SX
X
ENI S.p.A. - Refining & Marketing Division, Rome, Italy

Alpine topsynth
X
Mitan Mineralöl GmbH, Ankum, Germany

Antar Excellia LDX 5W40
X
Total Lubrifiants, Paris, France

AP Supreme Premium 9999 Synthetic
X
AP Oil International Ltd, Singapore, Singapore

Aral HighTronic
X
Aral Aktiengesellschaft, Hamburg, Germany

Aral SuperSynth
X
Aral Aktiengesellschaft, Hamburg, Germany

Aral SuperTronic
X
Aral Aktiengesellschaft, Hamburg, Germany

Aral SuperTronic G
X
Aral Aktiengesellschaft, Hamburg, Germany

Autol Carrera
X
Agip Schmiertechnik GmbH, Würzburg, Germany

Aviasynth
X
Avia Mineralöl-AG, Munich, Germany

Azmol Leader
X
Aot Azmol, Berdyansk, Ukraine

Blasol PSP 5W40
X
Blaser Swisslube AG, Hasle-Rüegsau, Switzerland

BP Euro Plus
X
BP p.I.c., London, England

BP Visco 5000
X
BP p.I.c., London, England

BP Visco 5000 Turbo Diesel
X
BP p.I.c., London, England

BP Visco 7000 GM
X
BP p.I.c., London, England

BP Visco 7000 Long Life
X
BP p.I.c., London, England

BP Visco 7000 Special
X
BP p.I.c., London, England

BP Visco 7000 Sport
X
BP p.I.c., London, England

Carl Motorenöl Power
X
Coparts Autoteile GmbH, Essen, Germany

Castrol Formula RS Motorsport 0W-40
X
Castrol Ltd., Swindon, England

Castrol Formula RS Road and Track
X
Castrol Ltd., Swindon, England

Castrol Formula SLX
X
Castrol Ltd., Swindon, England

Castrol Formula SLX LongTec
X
Castrol Ltd., Swindon, England

Castrol Formula SLX Turbo Diesel
X
Castrol Ltd., Swindon, England

Castrol GTX 7 Dynatec
X
Castrol Ltd., Swindon, England

Castrol Performance
X
Castrol Ltd., Swindon, England

Castrol Syntec 0W-30
X
Castrol Ltd., Swindon, England

Castrol Syntec 5W-40
X
Castrol Ltd., Swindon, England

Castrol TXT E.D.I. tec
X
Castrol Ltd., Swindon, England

Castrol TXT Softec
X
Castrol Ltd., Swindon, England

Castrol TXT Softec Plus
X
Castrol Ltd., Swindon, England

Cepsa Star Mega Synthetic
X
Cepsa Lubricantes, S.A., Madrid, Spain

Cepsa Star Mega Synthetic 0W-30
X
Cepsa Lubricantes, S.A., Madrid, Spain

CONCEP-TECH VS
X
Swd Lubricants GmbH & CO. KG, Duisburg, Germany

Consol Ultima
X
Vial Oil Ltd., Moscow, Russia

Cosmo Lio Royal
X
Cosmo Oil Lubricants Co., Ltd, Tokyo, Japan

CPC 9000 MB Motor Oil
X
Chinese Petroleum Corporation, Chia-Yi, Taiwan

DEA Ultec SYN-T
X
Shell & DEA Oil GmbH, Hamburg, Germany

Duckhams Q 5W40 Fully Synthetic
X
BP p.I.c., London, England

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Econo Veritas XL-HC
X
Oelwerke Julius Schindler GmbH, Hamburg, Germany

Elf Excellium LDX 0W30
X
Total Lubrifiants, Paris, France

Elf Excellium LDX 5W40
X
Total Lubrifiants, Paris, France

ENOC Protec X-treme 5W-40
X
ENCO International Sales L.L.C., Dubai, U.A.E.

Esso Megatron 5W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Esso Ultron
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Esso Ultron (Fuel Economy)
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Esso Ultron 5W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Esso Ultron Turbo Diesel 5W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Eurol Futura
X
Eurol Produktionsges.m.b.H, Ried im Innkreis, Austria

Fina First
X
Total Lubrifiants, Paris, France

FormulaShell Ultra
X
Shell International Petroleum Co., London, England

Fuchs Titan Supersyn SL
XXX
Fuchs Petrolub AG, Mannheim, Germany

Fuchs Titan Supersyn SL MB
X
Fuchs Petrolub AG, Mannheim, Germany

Galp Energy Ultra
X
Petrogla S.A., Lisbon, Portugal

Genesis Motor SL/CF 5W40
X
Nippon Oil Corporation, Tokyo, Japan

Gold Chief
X
Shenzhen Sanjiu Fine Chemical Co., Ltd, Shenzhen, P.

R. China

Gulf Formula S (EP)
X
S.A.E.L., Madrid, Spain

Gulf Pride SLV
X
Gulf Oil International, London, England

Habot - Full Synthetic
X
Habot Marketing SA (Pty) Ltd., Krugersdorp, South

Africa

Havoline Synthetic DS
X
ChevronTexaco Technology Ghent, Ghent/Zwijnaarde,

Belgium

Havoline Ultra
X
ChevronTexaco Technology Ghent, Ghent/Zwijnaarde,

Belgium

High Star
X
Addinol Lube Oil GmbH, Leuna, Germany

Igol Process Compact P
X
Igol France, Amiens - cedex 3, France

Igol Process MB, SAE 0W-30
X
Igol France, Amiens - cedex 3, France

Igol Symbol Ceramic 5W40
X
Igol France, Amiens - cedex 3, France

IP Sintiax Motor Oil Extreme
X
ENI S.p.A. - Refining & Marketing Division, Rome, Italy

Jomo Dreamer Motor Oil
X
Japan Energy Corporation, Tokyo, Japan

Kendall GT-1 Full Synthetic Motor Oil
X
ConocoPhillips, Costa Mesa, CA, USA

Kompressol-Super Synth
X
Kompressol-Oel Verkaufs GmbH, Cologne, Germany

Labo RC
X
Fuchs Labo Auto S.A., Rueil-Malmaison, France

Liqui Moly Leichtlauf HD C7
X
Liqui Moly GmbH, Ulm, Germany

Liqui Moly Longtime High Tech
X
Liqui Moly GmbH, Ulm, Germany

Liqui Moly Synthoil Longtime
X
Liqui Moly GmbH, Ulm, Germany

Lotos Economic SL/CF
X
Grupa Lotos SA., Gdansk, Poland

Lotos Syntetic Auto Diesel CF
X
Grupa Lotos SA., Gdansk, Poland

Lotos Syntetic SL/SJ/CF/CD
X
Grupa Lotos SA., Gdansk, Poland

Lotos Trafic SL/CF
X
Grupa Lotos SA., Gdansk, Poland

Lukoil Synthetic
X
OAO Lukoil-Permnefteorgsintez, Perm/Osentsy, Russia

MANNOL Extreme
X
SCT-Vertriebs GmbH, Wedel, Germany

MANNOL Legend + Elser
X
SCT-Vertriebs GmbH, Wedel, Germany

megol Motorenoel New Generation
X
Meguin GmbH & Co. KG Mineraloelwerke, Saarlouis,

Germany

megol Motorenoel Super Leichtlauf

Multisynth
X
Meguin GmbH & Co. KG Mineraloelwerke, Saarlouis,

Germany

Midland Avanza
X
Oel-Brack AG, Hunzenschwil, Switzerland

Mobil 1 0W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Mobil 1 5W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Mobil 1 5W-50
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Mobil 1 Turbo Diesel 0W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Mobil 1 Turbo Diesel 5W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Mobil Special X 5W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Mobil Synt S 5W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Mobil Synt S Turbo Diesel 5W-40
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Mobil Syst S
X
Exxon Mobil Corporation, Fairfax, Virginia, USA

Mobil Syst S 5W-40X
Exxon Mobil Corporation, Fairfax, Virginia, USA

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