MERCEDES-BENZ ML430 1997 Complete Repair Manual

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Fuels, coolants, lubricants etc.
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Engine oils
Engine oils are specifically tested for their suitability in
our engines. Therefore, use only engine oils
recommended by Mercedes-Benz. Information on
recommended brands is available at your authorized
Mercedes-Benz Light Truck Center.
Please follow Service Booklet recommendations for
scheduled oil changes. Failure to do so could result in
engine damage not covered by the Mercedes-Benz
Limited Warranty.
Engine oil additives
Do not blend oil additives with engine oil. They may be
harmful to the engine operation.
Damage or malfunctions resulting from blending oil
additives are not covered by the Mercedes-Benz Limited
War ra nt y. Air conditioner refrigerant
R-134a (HFC) refrigerant and special PAG lubricating oil
is used in the air conditioner system.
Never use R-12 (CFC) or mineral-based lubricating oil,
otherwise damage to the system will occur.
Brake fluid
During vehicle operation, the boiling point of the brake
fluid is continuously reduced through the absorption of
moisture from the atmosphere. Under extremely hard
operating conditions, this moisture content can lead to
the formation of bubbles in the system thus reducing
the system’s efficiency.
The brake fluid must therefore be replaced every two
years, preferably in the spring.
It is recommended to use only brake fluid approved by
Mercedes-Benz. Your authorized Mercedes-Benz Light
Truck Center will provide you with additional
information.

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Premium unleaded gasoline
Caution!
To maintain the engine’s durability and performance,
premium unleaded gasoline must be used. If premium
unleaded is not available and low octane fuel is used,
follow these precautions:
• have the fuel tank filled only partially with unleaded
regular and fill up with premium unleaded as soon
as possible,
• avoid full throttle driving and abrupt acceleration,
• do not exceed an engine speed of 3000 rpm, if the
vehicle is loaded with a light load such as two
persons and no luggage,
• do not exceed 2 / 3 of maximum accelerator pedal
position, if the vehicle is fully loaded or operating in
mountainous terrain. Fuel requirements
Use only Premium unleaded meeting ASTM
standard D 439:
The octane number (posted at the pump) must be
91 min. It is an average of both the Research (R) octane
number and the Motor (M) octane number: [(R+M) / 2].
This is also known as ANTI-KNOCK INDEX.
Unleaded gasoline containing oxygenates such as
Ethanol, IPA, IBA and TBA can be used provided the
ratio of any one of these oxygenates to gasoline does not
exceed 10%, MTBE not to exceed 15%.
The ratio of Methanol to gasoline must not exceed 3%
plus additional cosolvents.
Using mixtures of Ethanol and Methanol is not allowed.
Gasohol, which contains 10% Ethanol and 90% unleaded
gasoline, can be used.
These blends must also meet all other fuel requirements
such as resistance to spark knock, boiling range, vapor
pressure etc..

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Gasoline additives
A major concern among engine manufacturers is carbon
build up caused by gasoline. Mercedes-Benz
recommends the use of only quality gasoline containing
additives that prevent the build up of carbon deposits.
After an extended period of using fuels without such
additives, carbon deposits can build up especially on the
intake valves and in the combustion area, leading to
engine performance problems such as:
• warm-up hesitation,
• unstable idle,
• knocking / pinging,
• misfire,
• power loss.
Do not blend other specific fuel additives with fuel.
They only result in unnecessary cost, and may be
harmful to the engine operation.
Damage or malfunctions resulting from poor fuel
quality or from blending specific fuel additives are not
covered by the Mercedes-Benz Limited Warranty. Coolants
The engine coolant is a mixture of water and
anticorrosion / antifreeze, which provides:
• corrosion protection,
• freeze protection,
• boiling protection (by increasing the boiling point).
The cooling system was filled at the factory with a
coolant providing freeze protection to approximately
-35 °F (-37 °C) and corrosion protection.
If the antifreeze mixture is effective to -22 °F (-30 °C), the
boiling point of the coolant in the pressurized cooling
system is reached at approx. 266 °F (130 °C).
The coolant solution must be used year round to provide
the necessary corrosion protection and increase in the
boil-over protection. You should have it replaced every
3years.
To provide the important corrosion protection, the
solution must be at least 45% anticorrosion / antifreeze
(equals a freeze protection to approx. - 22 °F [-30 °C]). If
you use a solution that is more than 55% anticorrosion/
antifreeze (freeze protection to approx. - 49 °F [-45 °C])-,

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the engine temperature will increase due to the lower
heat transfer capability of the solution. Therefore, do not
use more than this amount of anticorrosion / antifreeze.
If the coolant level is low, water and MB anticorrosion/
antifreeze should be used to bring it up to the proper
level (have cooling system checked for signs of leakage).
The water in the cooling system must meet minimum
requirements, which are usually satisfied by normal
drinking water. If your are not sure about the water
quality, consult your authorized Mercedes-Benz Light
Truck Center.
Anticorrosion/antifreeze
Your vehicle contains a number of aluminum parts. The
use of aluminum components in motor vehicle engines
necessitates that anticorrosion / antifreeze coolant used
in such engines be specifically formulated to protect the
aluminum parts. (Failure to use such anticorrosion/
antifreeze coolant will result in a significantly
shortened service life.)
Therefore the following product is strongly
recommended for use in your vehicle: Mercedes-Benz
Anticorrosion / antifreeze agent. Before the start of the winter season (or once a year in
the hot southern regions), you should have the
anticorrosion / antifreeze concentration checked. The
coolant is also regularly checked each time you bring
your vehicle to your authorized Mercedes-Benz Light
Truck Center for service.
Anticorrosion / antifreeze quantity
Approx. freeze protection
– 35 °F
(– 37 °C) – 49
°F
(– 45 °C)
6.4 US qt
(6.0 l) 7. 0 U S q t
(6.6 l)

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Consumer information
This has been prepared as required of all manufactures
of passenger cars under Title 49, Code of U.S. Federal
Regulations, Part 575 pursuant to the “National Traffic
and Motor Vehicle Safety Act of 1966”.
Uniform tire quality grading
Quality grades can be found where applicable on the
tire sidewall between tread shoulder and maximum
section width. For example:
All passenger vehicle tires must conform to federal
safety requirements in addition to these grades. Treadwear
The treadwear grade is a comparative rating based on
the wear rate of the tire when tested under controlled
conditions on a specified government test course. For
example, a tire graded 150 would wear one and one-half
(1
1/2) times as well on the government course as a tire
graded 100. The relative performance of tires depends
upon the actual conditions of their use, however, and
may depart significantly from the norm due to
variations in driving habits, service practices and
differences in road characteristics and climate.
Traction
The traction grades, from highest to lowest are AA, A, B,
and C. Those grades represent the tire’s ability to stop
on wet pavement as measured under controlled
conditions on specified government test surfaces of
asphalt and concrete. A tire marked C may have poor
traction performance.
Tread wear 200 Traction AA Temperature A
Wa r n i n g !
The traction grade assigned to this tire is based on
straight ahead braking traction tests, and does not
include acceleration, cornering, hydroplaning, or
peak traction characteristics.

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Temp era tur e
The temperature grades are A (the highest), B, and C,
representing the tire’s resistance to the generation of
heat and its ability to dissipate heat when tested under
controlled conditions on a specified indoor laboratory
test wheel. Sustained high temperature can cause the
material of the tire to degenerate and reduce tire life,
and excessive temperature can lead to sudden tire
failure. The grade C corresponds to a level of
performance which all passenger vehicle tires must
meet under the Federal Motor Vehicle Safety Standard
No. 109. Grades B and A represent higher levels of
performance on the laboratory test wheel than the
minimum required by law.
Wa r n i n g !
The temperature grade for this tire is established
for a tire that is properly inflated and not
overloaded. Excessive speed, underinflation, or
excessive loading, either separately or in
combination, can cause excessive heat build up
and possible tire failure.

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Index
AABS (Antilock brake system) ....................................... 201 LOW RANGE – ABS ..................................................202
Malfunction indicator lamp .....................................222
Adjustable steering wheel .............................................. 70 Indicator lamp ...........................................................222
Adjusting headlamp aim ...............................................268
Air conditioner refrigerant ...........................................294
Air pump .........................................................................239
Air recirculation ............................................................ 102
Airbag deactivation system ............................................ 53
Airbag OFF indicator lamp ...........................................222
Airbags .............................................................................. 56
Alarm system ............................................................. 35, 36
Anticorrosion/antifreeze .................... 181, 235, 293, 297
Antiglare night position ................................................. 71
Antilock brake system (ABS) ....................................... 201 LOW RANGE – ABS ..................................................202
Malfunction indicator lamp .....................................222
Antitheft alarm system ................................................... 35
Aquaplaning ................................................................... 178 Ashtray
Center console, front ................................................ 118
Rear passenger compartment ................................. 118
Automatic central locking ..............................................32
Automatic transmission ................................................ 165 Emergency Operation ............................................... 172
Fluid level .................................................................. 234
Selector lever position .............................................. 168
Transmission selector lever, manually unlocking 259
BBabySmart
TM airbag deactivation system ..................... 53
Self-test ......................................................................... 53
BAS (Brake assist system) ............................................ 199 Malfunction indicator lamp .....................................221
Battery .............................................................................251 Battery recycling ...................................................... 252
Charge indicator lamp ............................................. 223
Battery, remote control ................................................. 270
Block heater .................................................................... 182
Blocking of rear door windows ....................................105
Brake assist system (BAS) ............................................ 199 Malfunction indicator lamp .....................................221

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Brake fluid ............................................................. 175, 294
Brake warning lamp ................................................. 219
Capacity ......................................................................293
Brake pad wear indicator .............................................225
Brake warning lamp ...................................................... 219 Brake fluid low .......................................................... 219
Brakes ....................................................173, 175, 293, 294
CCapacities Fuels, coolants, lubricants etc. ...............................292
Cargo area ....................................................................... 131 Hooks .......................................................................... 133
Loading instructions ................................................ 136
Cargo area cover blind .................................................. 137
Cargo compartment lamp .............................................. 111
Cargo floor plates
Removable .................................................................. 129
Storage ........................................................................ 130
Cargo tie-down rings ..................................................... 132
Catalytic converter ........................................................ 160
Cellular telephone ......................................................... 139
Center console .................................................................. 20
Central locking switch .................................................... 32 Central locking system .................................................... 26
Automatic central locking .........................................32
Locking and unlocking ............................................... 27
Mechanical keys ..........................................................29
Panic button .................................................................28
Remote control ............................................................26
Unlocking the liftgate ................................................. 28
Vehicle keys .................................................................24
Changing wheels ........................................................... 245 Inflating the space-saver tire ................................. 249
Charge indicator lamp .................................................. 223
CHECK ENGINE malfunction indicator lamp ............ 218
Check regularly and before a long trip ....................... 215
Checking engine oil level Via engine oil level indicator ....................................89
Via oil dipstick .......................................................... 233
Child restraint ..............................................38, 46, 53, 65
Cleaning and care of the vehicle ................................ 278
Climate control .................................................................98 Air recirculation ........................................................102
Basic setting ...............................................................100
Defogging windows ................................................... 101
Defrosting windshield .............................................. 101
Dust filter ...................................................................102
Rear window defroster ............................................. 103
Special settings ......................................................... 101

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Clock, adjusting ............................................................... 80
Compartment under front passenger seat ..................116
Consumer information ..................................................298
Control and operation of radio transmitters ............. 146
Coolant level Adding ........................................................................235
Checking ....................................................................234
Low engine coolant level warning ..........................224
Coolant temperature gauge ............................................ 81
Coolants ...........................................................................296
Anticorrosion/antifreeze quantity .........................296
Low engine coolant level warning ..........................224
Cover blind, cargo area ................................................. 137
Cruise control ................................................................. 196
Cup holder Instrument panel .......................................................116
Rear center console ...................................................117
DDaytime running lamps .................................................. 91
Deep water Driving instructions ................................................. 181
Defroster, rear window .................................................. 103
Display illumination ........................................................ 80 Doors .................................................................................. 30
Drinking and driving ..................................................... 174
Drive sensibly - save fuel .............................................. 174
Driving instructions ...................................................... 174
Driving off ....................................................................... 176
EEBP (Electronic brake proportioning) ........................ 204
Electrical outlet ............................................................. 230
Electronic brake proportioning (EBP) ........................ 204
Electronic stability program (ESP) ............................. 205 Control switch .......................................................... 207
Malfunction indicator lamp .....................................221
Synchronizing .......................................................... 206
Warning lamp ............................................................221
Electronic traction system (4-ETS+) ........................... 203 LOW RANGE – 4-ETS ............................................... 204
Malfunction indicator lamp .....................................221
Emergency call See Tele Aid ...............................................................148
Emergency operation of Skyview Top ....................... 273
Emergency tensioning retractor (ETR) .........................55
Emergency unlocking in case of accident ...................33
Emission control ............................................................ 161

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Emission control label ..................................................285
Engine compartment ..................................................... 231
Engine malfunction CHECK ENGINE malfunction indicator lamp ....... 218
Engine oil additives .......................................................294
Engine oil consumption ................................................234
Engine oil level Checking ............................................................. 89, 233
Warning ......................................................................224
Engine oil level indicator ................................................ 89
Engine oils ......................................................................294 Capacities ...................................................................292
Low engine oil level warning ..................................224
Engine overheating ......................................................... 81
Engine speed limit Overrevving ................................................................. 82
Enlarged cargo area ....................................................... 131
Entrance lamps ...............................................................112
ESP LOW RANGE — ESP ..................................................208
ESP (Electronic stability program) ..............................205 Control switch ...........................................................207
Malfunction indicator lamp ..................................... 221
Synchronizing ...........................................................206
Warning lamp ............................................................ 221 ETR (Emergency tensioning retractor) .........................55
ETS (4-ETS+) .................................................................. 203 LOW RANGE – 4-ETS+ ............................................ 204
Exterior lamp switch .......................................................90
Exterior lamps ............................................................... 260 Adjusting headlamp aim ......................................... 268
Auxiliary fog lamp ............................................. 92, 264
Fog lamps .....................................................................93
Headlamp assembly ......................................... 261, 262
Headlamps .................................90, 261, 262, 268, 280
High mounted stop lamp ......................................... 267
License plate lamps ................................................. 267
Low and high beam ............................................90, 263
Parking lamp ...................................................... 90, 264
Replacing bulbs ........................................................ 260
Side marker lamp ..................................................... 264
Standing lamp .....................................................90, 264
Taillamp assemblies ................................................ 265
Turn signal lamp ................................................90, 264
Turn signal lamp, side ............................................. 266
Exterior rear view mirrors ..............................................73 Electrically folding ...................................................... 75