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2003 MERCEDES-BENZ ML350 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 MERCEDES-BENZ ML350 car and truck
repair procedures including MERCEDES-BENZ engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your MERCEDES-BENZ ML350 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
Disc Brakes -> Caliper Service -> Assemble -> Disassemble -> Fixed -> Floating -> Front -> Inspection -> Rear
Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS
Front
Fixed
Disassemble
- Press off dust cap
- Insert 1.1025 inches thick metal segment (brake disc section) into fixed caliper and carefully force pistons out against stop with compressed air.
- Remove piston using piston-turning pliers tool No. 000 589 50 37 00, or equivalent.
- Remove piston seal from groove in cylinder bore.
Inspection
- If piston is stuck or there are scores or rusted bores, replace complete caliper.
- Remove deposits on piston with soft brass wire brush or rough cloth only. If there is noticeable damage to chrome plating, replace piston.
- Inspect pistons and bores in fixed calip...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
Mercedes-Benz -> Fuel Filter Replacement -> Except 2003-06 E320 & E500 Sedans Less 4 Matic & 2004-06 E Series w/Gasoline Engines -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS
Fuel System Pressure Relief
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental fuel spray.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while it relearns its adaptive strategy.
- Ensure t...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
DRIVESHAFT, Replace -> FRONT -> REAR
Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS
FRONT
- Remove propeller shaft to transfer case mounting bolts and washers.
- Remove propeller shaft to front differential carrier mounting bolts.
- Remove propeller shaft from vehicle.
- Reverse procedure to install, noting the following:
- Ensure front differential carrier flange and propeller shaft are perfectly centered.
- Torque propeller shaft to transfer case bolts to 29 ft. lbs.
- Torque propeller shaft to front differential carrier flange to 37 ft. lbs.
REAR
- Remove front propeller shaft to transfer ca...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
Starter, Replace
Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS
- Disconnect electrical connectors.
- Remove mounting bolts, then the cable and hose brackets...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
Cabin Air Filter Service -> Mercedes-Benz -> 1998-2005 ML Class
Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- Remove the instrument panel righthand lower trim panel.
- Release the three cabin air filter cover retainers securing the cover to the bottom of the AC/hea...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
Mercedes-Benz -> Low Coolant Lamp ->
Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS
The Low Engine Coolant Level warning lamp will illuminate when the ignition switch is placed in the On position to indicate the warning lamp is operational. After the engine has been started, the warning lamp should go off. If the warning lamp remains on af...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition clamp on heat exchanger feed pipe and remove hose.
- Reposition clamp on thermostat housing and remove hose.
- Remove hose from vehicle.
- Reverse procedure...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS
- Disconnect battery ground cable.
- Remove air cleaner housing.
- Remove engine front cover.
- Rotate belt t...
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COMPONENT LOCATION DIAGRAMS FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
Component location diagrams for most 2003 MERCEDES-BENZ ML350 cars and light trucks sold in the U.S. from 1990+.
 ESP Brake Pressure Sensor 2 Diagram for 2003 MERCEDES-BENZ ML350 3.7 V6 GASComponents on diagram: |
 Body Components Diagram for 2003 MERCEDES-BENZ ML350 3.7 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 MERCEDES-BENZ ML350 cars and light trucks sold in the U.S.
 2003 MERCEDES-BENZ ML350 3.7 V6 GAS Wiring DiagramComponents on diagram: |
 2003 MERCEDES-BENZ ML350 3.7 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
OEM TSB listings for most 2003 MERCEDES-BENZ ML350 cars and light trucks sold in the U.S. from 1985+.
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Document: Re-code the Software Calibration Number (SCN) Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS Auto Systems: |
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Document: Maintenance Systems Overview Vehicle: 2003 MERCEDES-BENZ ML350 3.7 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 MERCEDES-BENZ ML350 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 MERCEDES-BENZ ML350 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2003 MERCEDES-BENZ ML350 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2003 MERCEDES-BENZ ML350 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2003 MERCEDES-BENZ ML350 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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