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2003 MERCEDES-BENZ E320 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- 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 E320 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 E320 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
Mercedes-Benz -> Component Replacement & Adjustment -> Cabin Air Filter, Replace -> C32 AMG, C230, C240, C320, CLK55 AMG, CLK320, CLK500, SLK32 AMG, SLK230 & SLK320 -> ML55 AMG, ML350 & ML500
Vehicle: 2003 MERCEDES-BENZ E320 3.2 V6 GAS
C32 AMG, C230, C240, C320, CLK55 AMG, CLK320, CLK500, SLK32 AMG, SLK230 & SLK320
- On C32 AMG, C230, C240 and C320 models, turn righthand console panel air outlet nozzle retainer 90°, then remove retainer and nozzle.
- On all models, remove mounting screws and instrument panel lo...
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BRAKE SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
Disc Brakes -> Caliper Service -> Assemble -> Disassemble -> Fixed -> Floating -> Front -> Inspection -> Rear
Vehicle: 2003 MERCEDES-BENZ E320 3.2 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 E320 AUTOMOBILES
Mercedes-Benz -> Component Locations -> 2003-06 E320 & E500 Sedans Less 4 Matic & 2004-06 E Series
Vehicle: 2003 MERCEDES-BENZ E320 3.2 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
DRIVESHAFT, Replace -> FRONT -> REAR
Vehicle: 2003 MERCEDES-BENZ E320 3.2 V6 GAS
FRONT
- Remove righthand side exhaust heat shield, Fig. .
- Remove propeller shaft mounting bolts.
- Remove propeller shaft.
- If rubber boot must be replaced, proceed as follows:
- Pull universal joint off propeller shaft.
- Remove rubber boot.
- Reverse procedure to install, noting the following:
- Coat splined shaft profile with Molykote grease, or equivalent.
- Push rubber boot with universal joint onto propeller shaft, ensuring markings align.
- Steady propeller shaft with suitable screwdriver when installing mounting bolts.
- Torque driveshaft intermediate bearing bolts to 23 ft. lbs.
- Torque driveshaft...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
Component Replacement -> Control Module -> Sensor
Vehicle: 2003 MERCEDES-BENZ E320 3.2 V6 GAS
Control Module
- Read out variant coding of TPMS (RDK) control module (N88). To do this connect STAR DIAGNOSIS and transfer data of TPMS (RDK) control module (N88) to STAR DIAGNOSIS.
- Move passenger seat into rearmost position.
- Remove floor mat and lift back floor covering in passenger foot well, Fig. .
- Remove impact absorber.
- Unscrew plastic nuts and remove step plate.
- Unlock electrical connector and unplug connector from TPMS (RDK) control module (N88).
- Unscrew bolt (6) and pull TPMS (RDK) control module (N88) out of retaining clamp.
- Reverse procedure to install, activate TPMS sele...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
Starter, Replace
Vehicle: 2003 MERCEDES-BENZ E320 3.2 V6 GAS
- Remove engine compartment bottom cover.
- On models equipped with 4MATIC, remove propeller shaft guard.
- On all models, remove righthand side catalytic converter or ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
Cabin Air Filter Service -> Mercedes-Benz -> 2003-09 E & 2006-09 CLS Class
Vehicle: 2003 MERCEDES-BENZ E320 3.2 V6 GAS
On 2003-05 models, 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.
On 2006-08 models except AMG, under normal operating conditions the cabin air filter should be replaced every 24 months or 26,000 miles. In dusty areas change the cabin air filter more often.
On 2009 models except AMG, under normal operating conditions the cabin air filter should be replaced every 24 months or 20,000 miles. In dusty areas change the cabin air filter more of...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
Mercedes-Benz -> Brake Pad Wear Indicator Lamp ->
Vehicle: 2003 MERCEDES-BENZ E320 3.2 V6 GAS
The Brake Pad Wear indicator lamp should 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 warnin...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 MERCEDES-BENZ E320 3.2 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 to install.
Outlet
- Drain coolant into a suitable container.
- Reposition clamp on heat exchanger return pi...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 MERCEDES-BENZ E320 3.2 V6 GAS
- Remove viscous fan clutch.
- Swivel tensioning pulley clockw...
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COMPONENT LOCATION DIAGRAMS FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
Component location diagrams for most 2003 MERCEDES-BENZ E320 cars and light trucks sold in the U.S. from 1990+.
 On Front Door Diagram for 2003 MERCEDES-BENZ E320 3.2 V6 GASComponents on diagram: |
 Front of Engine Compartment Diagram for 2003 MERCEDES-BENZ E320 3.2 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 MERCEDES-BENZ E320 cars and light trucks sold in the U.S.
 2003 MERCEDES-BENZ E320 3.2 V6 GAS Wiring DiagramComponents on diagram: |
 2003 MERCEDES-BENZ E320 3.2 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
OEM TSB listings for most 2003 MERCEDES-BENZ E320 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 E320 3.2 V6 GAS Auto Systems: |
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Document: Maintenance Systems Overview Vehicle: 2003 MERCEDES-BENZ E320 3.2 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 MERCEDES-BENZ E320 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 MERCEDES-BENZ E320 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 E320 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 E320 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 E320 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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