Mercedes Benz W120 Parts Catalog & Engine

The Mercedes-Benz W120, also known as the Ponton, is a classic car produced from 1953 to 1962. It was a compact luxury car known for its robust build and elegant design, with several versions and engine options. Here's a detailed overview of the parts catalog and engine specifications for the W120:

1. W120 Parts Catalog Overview

The W120 parts catalog is divided into sections based on the car's main components, helping owners and restorers identify and obtain parts. The primary sections include:

1.1 Body & Exterior Parts

• Body Panels: Front and rear fenders, door panels, and roof sections.
• Bumpers & Trim: Front and rear bumpers, chrome trim strips, grille, and emblem.
• Lighting: Headlights, taillights, turn signals, and associated lens covers.

1.2 Interior Components

• Seats & Upholstery: Seat frames, leather or fabric upholstery, armrests, and carpets.
• Dashboard & Controls: Speedometer, tachometer, oil pressure gauge, clock, and switches.
• Door Panels & Accessories: Window cranks, door locks, and armrests.

1.3 Mechanical Parts

• Suspension System: Front and rear suspension components, springs, shock absorbers, and bushings.
• Brakes: Drum brake shoes, brake cylinders, master cylinder, and brake lines.
• Steering System: Steering box, steering column, and associated linkages.

1.4 Engine Parts

• Core Engine Components: Cylinder heads, crankshaft, pistons, and connecting rods.
• Intake & Exhaust Systems: Carburetor, intake manifold, exhaust manifold, and mufflers.
• Cooling System: Water pump, radiator, hoses, and thermostat.

1.5 Electrical System

• Ignition System: Spark plugs, ignition coil, distributor, and points.
• Charging & Lighting: Generator (alternator), battery, headlights, taillights, and related electrical components.
• Other Electrical Parts: Instrument cluster wiring, wiper motor, and relays.

1.6 Accessories & Miscellaneous

• Wheel covers, badges, and the car's toolkit.

2. W120 Engine Specifications

The W120 was available with several engine variants, including both gasoline and diesel versions. Below are the details for the two main engine options:

2.1 Mercedes-Benz 180 (Gasoline Version)

• Engine Model: M136
• Type: Inline 4-cylinder naturally aspirated gasoline engine
• Displacement: 1.8 liters (1800cc)
• Power Output: Approximately 52 horsepower
• Fuel System: Carburetor
• Notable Features:
  • Reliable and simple design, offering a smooth driving experience.
  • Low maintenance requirements and great longevity.
  • Suitable for daily use, especially in the post-war economy.

2.2 Mercedes-Benz 180D (Diesel Version)

• Engine Model: OM636
• Type: Inline 4-cylinder diesel engine
• Displacement: 1.8 liters (1800cc)
• Power Output: Approximately 40 horsepower
• Fuel System: Indirect fuel injection
• Notable Features:
  • Known for its durability and fuel efficiency, making it a popular choice for taxis and commercial vehicles.
  • Strong torque at low RPMs and excellent fuel economy.
  • More robust and long-lasting compared to its gasoline counterpart, ideal for heavy-duty usage.

3. Tips for Restoration

• Engine Rebuilds: The M136 and OM636 engines are relatively simple to rebuild and maintain, making them good candidates for long-term restorations.
• Electrical System: Over time, the electrical wiring can degrade, so it’s essential to inspect the wiring and replace any worn-out parts.
• Suspension & Brakes: Since many W120 models are approaching or have exceeded 60 years of use, upgrading the suspension and brakes may be necessary for improved ride comfort and safety.