Mercedes 220a 220S 220SE Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Mercedes-Benz Model: 220a, 220S, 220SE Product Name: Mercedes 220a 220S 220SE Factory Service Repair Manual Codes Chassis Codes: W180 (220a, 220S), W128 (220SE) 👋 Introduction...

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Type: Car

Vendor:

Sku: 405883

Tags: 220a 220S 220SE Car Cars Mercedes Misc

Product variants

Description

🏷️ Basic Information

Identification

Make:

Mercedes-Benz

Model:

220a, 220S, 220SE

Product Name:

Mercedes 220a 220S 220SE Factory Service Repair Manual

Codes

Chassis Codes:

W180 (220a, 220S), W128 (220SE)

👋 Introduction

Market Position

Class:

Executive/Luxury Sedan

Mid-1950s Post-War Automotive Luxury

Competitive Analysis

Competitors:

Rolls-Royce Silver Cloud, Bentley S-Series, Cadillac Fleetwood, Jaguar Mark IX

Key Features

Design Philosophy:

Robust engineering, luxurious appointments, advanced (for the era) technology

Prestige:

Symbol of post-war German economic recovery and engineering prowess

📋 Manual Details

Coverage Areas

Model Years Covered:

Primarily 1954-1959 (exact range may vary by specific manual variant)

Chassis Variants Covered:

W180 (220a, 220S), W128 (220SE)

Page Count

Estimated Page Count:

Hundreds (exact count not specified but typical for factory manuals)

Manual Type

Type:

Factory Service Repair Manual

Language

Language:

English (assumed, typical for widely distributed service manuals; original may be German)

Format

Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Engine:

M180 (2.2L inline-6) and M127 (2.2L inline-6, fuel-injected)

Transmission:

Manual (4-speed, synchromesh), Automatic (optional, Hydro-Stick/Hydrak)

Drivetrain:

Rear-wheel drive, driveshaft, differential, axles

Suspension:

Independent front suspension (double wishbone), swing axle rear suspension

Brakes:

Drum brakes (front and rear), potential for early front disc brakes on some SE models

Steering:

Recirculating ball steering system

Fuel System:

Carburetor (220a, 220S), Bosch mechanical fuel injection (220SE)

Electrical System:

Ignition system, lighting, battery, generator/alternator, starter

Cooling System:

Radiator, water pump, thermostat, hoses

Exhaust System:

Manifolds, pipes, mufflers

Body And Chassis:

Frame, body panels, doors, glass, interior trim

Heating And Ventilation:

HVAC system components

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, tune-ups, lubrication

Engine Overhaul:

Engine disassembly, inspection, repair, and reassembly procedures

Transmission Repair:

Manual and automatic transmission service and repair

Brake System Service:

Brake pad/shoe replacement, drum machining, hydraulic system bleeding

Electrical Diagnostics:

Troubleshooting wiring diagrams, component testing

Fuel Injection System Service:

Bosch injection pump calibration and repair (for 220SE)

Suspension And Steering Repair:

Component replacement, alignment procedures

Bodywork And Trim:

Panel alignment, trim installation, glass replacement

Troubleshooting Guides:

Systematic fault finding and resolution steps

Torque Specifications:

Tightening torques for critical fasteners

Wiring Diagrams:

Complete electrical schematics

Technical Depth

Depth:

Comprehensive factory-level detail, suitable for professional mechanics and dedicated enthusiasts

Diagnostic Capability:

Advanced diagnostics for all major systems

Manual Completeness

Completeness:

Official Factory Service Repair Manual, intended to be exhaustive

📊 Manual Specifications

File Format

Format:

PDF (Portable Document Format)

Print Quality

Print Quality:

Printable in its entirety or selected pages, suggesting high resolution

Binding Type

Binding Type:

N/A (Digital PDF format)

Paper Type

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Primary Engine

Engine Family:

M180 / M127 Inline-6

Displacement:

2195 cc (2.2 Liters)

Bore X Stroke:

82 mm x 85 mm

Compression Ratio:

Approx. 7.5:1 to 8.0:1 (varies by model)

Performance

Horsepower 220A 220S:

Approx. 100-105 hp (SAE gross) at 4800 rpm

Horsepower 220Se:

Approx. 115-120 hp (SAE gross) at 4800 rpm

Torque 220A 220S:

Approx. 170 Nm (125 lb-ft) at 2500 rpm (carbureted)

Torque 220Se:

Approx. 185 Nm (136 lb-ft) at 3000 rpm (fuel injected)

Fuel System

Fuel System 220A 220S:

Dual Solex 34 PCI Carburetors

Fuel System 220Se:

Bosch MW Injection Pump, single injector per cylinder

Fuel Type:

Premium Unleaded Gasoline (minimum 91 octane recommended for modern fuel)

Engine Layout

Layout:

Inline 6-cylinder, Front-mounted, Longitudinal

Engine Cooling

Cooling Type:

Water-cooled

Engine Lubrication

Oil Capacity:

Approx. 5.5 Liters (5.8 US quarts) with filter

Recommended Oil Viscosity:

SAE 10W-30 or 10W-40 (consult original manual for specific vintage grades or modern equivalents)

🔧 Transmission

Standard

Type Standard:

4-speed Manual Synchromesh

Optional

Type Optional:

Mercedes-Benz Hydrak (Automated Clutch System) or early Hydromatic

Features

Clutch Type:

Single dry plate (manual); automated clutch actuation (Hydrak)

Transmission Fluid

Fluid Type Manual:

API GL-4 Hypoid Gear Oil (SAE 90)

Fluid Type Automatic:

Dexron III/Mercon or equivalent (for Hydrak/Hydromatic)

📐 Dimensions

Exterior

Length:

Approx. 4780 mm (188.2 in)

Width:

Approx. 1770 mm (69.7 in)

Height:

Approx. 1500-1540 mm (59.1-60.6 in)

Wheelbase:

Approx. 2875 mm (113.2 in)

Weights

Curb Weight:

Approx. 1350-1450 kg (2976-3197 lbs)

Gross Vehicle Weight Rating:

Varies by specific model and configuration

Wheels And Tires

Wheel Size:

15-inch wheels common

Tire Size Typical:

6.40-15 or 6.70-15 (bias ply); radial equivalents may differ

Bolt Pattern:

5 x 112 mm

🛡️ Safety Features

Ratings

Crash Test Data:

Not available for this era by modern standards

Active Features

Braking System:

Hydraulically operated drum brakes, dual circuit system

Steering System:

Recirculating ball, though power steering was not standard initially

Passive Features

Seat Belts:

Optional, not standard equipment during initial production

Construction:

Unitized body construction (Ponton design), offering improved safety over body-on-frame

💡 Technology Features

Infotainment

Radio:

Optional period-correct AM/FM radio, often with push-button tuning

Speakers:

Typically one or two speakers

Driver Assistance

Power Steering:

Optional on some models, not standard

Brakes:

Hydraulic drum brakes with dual circuit system for safety redundancy

Connectivity

Connectivity Features:

N/A by modern standards; focus is on mechanical and electrical systems

Lighting

Headlights:

Single round headlights (sealed beam or replaceable bulb type depending on exact spec)

Taillights:

Integrated taillight clusters with brake, turn signal, and running lights

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000-5,000 miles or 6 months (consult manual for exact period)

Grease Points:

Regular lubrication of suspension and steering components is crucial

Tune Up Frequency:

Annual or every 12,000 miles (includes ignition timing, carburetor adjustment, valve lash adjustment)

Fluid Specifications

Engine Oil Spec:

See engine_specs section for viscosity; API classification suitable for the era or modern equivalent

Coolant Spec:

Ethylene glycol-based antifreeze/coolant with rust inhibitors

Brake Fluid Spec:

DOT 3 or DOT 4 (check manual for specific recommendation; use fluid compatible with older seals)

Known Issues

Carburetor Issues:

Clogged jets, worn diaphragms, difficult starting/idling

Fuel Injection Issues:

Fuel pump wear, injector sealing, calibration drift (220SE)

Suspension Wear:

Bushings, ball joints, tie rod ends

Electrical System Reliability:

Aging wiring harnesses, generator output, starter motor issues

Rust Corrosion:

Common on older unibody cars, particularly in wheel wells, rocker panels, and door bottoms

Exhaust System:

Corrosion and leaks

Filter Part Numbers

Oil Filter Part Number:

Specific part numbers available within the manual; e.g., Mann-Filter W105/1, Bosch 0 451 103 001 (verify)

Air Filter Part Number:

Specific part numbers available within the manual; e.g., Mann-Filter C22110/1 (verify)

Fuel Filter Part Number:

Specific part numbers available within the manual; e.g., Bosch 0 450 170 007 (verify for carb models)

📚 Vehicle History

Brand Heritage

Brand Origin:

Germany, founded by Karl Benz and Gottlieb Daimler

Reputation:

Engineering excellence, luxury, innovation, and durability

Model Evolution

Predecessor:

Ponton Mercedes-Benz 170 series (W136, W191)

Design Era:

Ponton design (unibody construction, smooth styling)

Development:

Successor to the W187 220, introducing more modern styling and powertrain options

Production

Production Period:

1954-1959 (approximate for all variants combined)

Manufacturing Location:

Stuttgart, Germany

Production Numbers:

Significant production figures across the 220a, 220S, and 220SE models, contributing to Mercedes-Benz's post-war resurgence

🏆 Awards & Recognition

Recognitions

Industry Awards:

While specific awards are not widely documented for this model, it was recognized for its build quality and engineering.

Ratings

Reliability Perception:

Generally high, considered a well-built and durable automobile when properly maintained.

Certifications

European Certification:

Met contemporary European safety and emissions standards