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2003 Mercury Marauder

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 Marauder.

Body PASSENGER CARTransmission Automatic 4-spd

The 2003 Mercury Marauder is a passenger‑car sedan that pairs an automatic four‑speed transmission with an engine requiring six quarts of 5W‑20 oil, delivering EPA‑rated fuel economy of 15 mpg city, 21 mpg highway and 17 mpg combined. Its exterior lighting system generated the most frequent owner complaints, and the model year logged a total of 60 complaints along with one recall, making it the highest‑complaint year in the Marauder’s 2003‑2005 span. By comparison, the following year saw complaints drop to 27, positioning the 2003 model as the less reliable opening chapter of the nameplate’s brief production run.

Model year2004 2003

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity6.0 qtOEM · verified

Engine oil type5W-20 APIOEM · verified

Lug nut torque95 ft-lbsOEM · verified

EPA fuel economy15/21/17 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 65 · 650 CCA battery. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 65 · 650 CCAOEM · verified

Tire size245-55WD18OEM · verified

OE service part numbers OEM · verified

Spark plug

AGSF32PM4

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic 4-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined	15 / 21 / 17 mpg
Drivetrain	Rear-Wheel Drive
Passenger volume	109 cu ft
Cargo volume	21 cu ft
Recommended fuel	Premium Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 6.0 qt of 5W-20 API engine oil, DOT 3 brake fluid. Torque lug nuts to 95 ft-lbs, the oil drain plug to 19.0 ft-lbs. The firing order is 1-3-7-2-6-5-4-8.

Lubricants & capacities

Brake Fluid	DOT 3
Engine Oil	5W-20 · API
Engine Oil Capacity	6.0 qt
Power Steering Fluid	ATF

Engine torques

Intake Manifold to Engine Bolts	7.4 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	18.0 ft-lbs
Engine Oil Pan Drain Plug	19.0 ft-lbs

Chassis torques

Lug Nuts

95 ft-lbs

Ignition

Cylinder Firing Order	1-3-7-2-6-5-4-8
Spark Plug Manufacturer	Motorcraft
Spark Plug Gap	0.052-0.056 in
Spark Plug Torque	11.0 ft-lbs
Ignition Timing	10, Not adjustable degrees
Ignition Timing Acceptable Variance	2 degrees
Ignition Timing Reference RPM	Idle rpm

Battery & A/C

Refrigerant	R134a
Refrigerant Capacity	2.38 lbs
Oil Group	PAG
Oil Type	46
Oil Capacity	7.50 oz
Standard BCI Group Number	65
Standard BCI Cranking Performance	650 cca

Service checks

Pressure Test	13-18 psi
Radiator Cap Pressure Relief	13-18 psi
Thermostat Opening Temperature	188-195 °F
Engine Oil Pressure	20-45 psi
Engine Oil Pressure RPM	2500 rpm
Intake Valve Lash	Hydraulic in
Exhaust Valve Lash	Hydraulic in

Brakes

Torque Caliper to Bracket	118 ft-lbs / 18 ft-lbs
Torque to Knuckle	100 ft-lbs / 50 ft-lbs
Minimum Pad Thickness	Front: 0.039; Rear: 0.039 in
Rotor Runout Limit	0.003 in
Rotor Minimum Machining	1.063 in / 0.732 in
Rotor Discard at or Under	1.037 in / 0.708 in

Multi-step torque procedures OEM · verified

Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages

37 ft. lbs., step 2: 90

37 ft. lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the coolant every 50,000 mi. The big-interval services (every 50,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 50,000 mi	Engine Coolant System (drain, flush & refill)
At 100,000 mi	Engine Coolant System (drain, flush & refill)
Every 100,000 mi	PCV Valve (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 2003 Mercury Marauder recorded 60 consumer complaints, the highest among the three‑year span, with 11 TSBs and a single recall. By contrast, the subsequent 2004 model saw complaints fall to 27 and TSBs drop to 4, while investigations began to appear in 2004 and continued into 2005. The 2005 model further reduced complaints to zero, though it retained one recall and one investigation. The primary complaint categories in 2003 were Exterior Lighting (10), Power Train (6), Suspension (5) and Tires (4), contributing to four crash‑related reports but no fire incidents. Given that 2003 represents the peak of reported problems in this generation, a later‑year example would generally present a lower risk for buyers.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

Owner complaints

4 involved a crash · 0 a fire

NHTSA crash-test rating federal NCAP · out of 5 stars

Rollover★★★★★

Owner complaints by model year NHTSA · this generation & adjacent

’03’04 ’05

Owner complaints filed with NHTSA, by component

All 60 complaints on record, top 8 components.

Exterior Lighting10

Power Train6

Suspension5

Tires4

Steering3

Electrical System,Exterior Lighting3

Service Brakes, Hydraulic3

Engine & Engine Cooling3

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

06E056000Fuel System, GasolineReported 13/06/2006

CERTAIN AFTERMARKET FUEL FILTERS SOLD UNDER THE PUROLATOR BRAND NAME, P/N F65277, SHIPPED FROM JANUARY 16 THROUGH JUNE 2, 2006, FOR USE ON THE ABOVE LISTED PASSENGER VEHICLES. DUE TO INCORRECT DESIGN, THE QUICK… Remedy: UFI WILL NOTIFY OWNERS AND REPLACE THE FILTERS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2006. OWNERS MAY CONTACT UFI FILTERS USA AT 800-230-5876.

Technical service bulletins NHTSA · verified

Showing 5 of 11 bulletins on record with NHTSA.

Bulletin	Date	Component	Summary
TSB 19-2026	2019-02-07	Structure	Some 2000 and newer Ford, Lincoln and Mercury vehicles equipped with aluminum body panels…
06513	2006-01-01	Engine And Engine Cooling	ENGINE MISFIRE WITH DIAGNOSTIC TROUBLE CODE (DTC) PEWEE, P0302, P0303, P0304, P0305…
17545	2004-02-01	Suspension	COSMETIC CRACKING OF LOWER CONTROL ARM BUSHING SLEEVE. *MJ
17492	2004-01-01	Service Brakes, Hydraulic	ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON WITH DIAGNOSTIC TROUBLE CODE (DTC) C1222 (SPEED…
16906	2003-06-01	Exterior Lighting	MOISTURE IN THE HEADLAMPS. *TT

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420

Catalyst system efficiency below threshold — Bank 1

P0300

Random / multiple cylinder misfire detected

P0171

System too lean — Bank 1

P0455

Evaporative emission system leak detected — large leak

P0128

Coolant thermostat below regulating temperature

P0442

Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN

Decode a VIN to confirm the transmission and build data for a specific Marauder. OEM

Build data

Plant, GVWR class, engine and body data for any 17-character VIN.

Recalls

Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Group 65 battery Vehicles taking 6.0 qt Spark plug AGSF32PM4

Reference guides

Cross-vehicle references for the kinds of data on this page.

Vehicle recalls & TSBs OBD-II trouble codes Torque specifications Maintenance schedules Fluid capacities & specs

Frequently asked

How much oil does the 2003 Marauder take?

6.0 qt of 5W-20 API, per the factory manual.

Does the 2003 Marauder have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Marauder get?

EPA figures are 15 city / 21 highway / 17 combined mpg.