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Mercedes Benz Mercedes Benz W187 (220)

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Mercedes-Benz W187 (220): A Comprehensive Guide

The Mercedes-Benz W187, most notably known as the 220, represents a significant chapter in Mercedes-Benz's postwar history. Produced from 1951 to 1955, it marked the return of six-cylinder luxury to the marque after World War II, bridging the gap between the pre-war grand tourers and the modern, more streamlined designs of the mid-to-late 1950s. The W187 (220) is considered a mid-size luxury car and played a crucial role in re-establishing Mercedes-Benz as a leading manufacturer of high-quality, refined automobiles.

Generations

  • W187 (220) - 1951-1955: This was the sole generation of the W187.
    • Key Features: Introduction of the 2.2-liter M180 inline-six engine, independent suspension, luxurious appointments, and available body styles including saloon, cabriolet A, and cabriolet B.
    • Significant Changes Throughout Production: Minor trim updates and mechanical refinements were implemented during the production run, but the fundamental design remained consistent.

Reliability & Common Issues

While the W187 220 is a well-engineered vehicle for its era, potential buyers should be aware of common issues associated with its age and design. Mechanical expertise is generally required for upkeep.

  • Engine (M180):
    • Description: The 2.2-liter M180 inline-six is generally robust but requires regular maintenance. It’s a carbureted engine.
    • Common Issues:
      • Carburetor Problems: The Solex carburetor is prone to issues, including fuel leaks, difficulty starting, and poor idle. Rebuilding or replacing the carburetor may be necessary. Experts are increasingly rare, making accurate tuning difficult.
      • Cooling System: Overheating can be a problem if the cooling system is neglected. Radiator clogging, thermostat failure, and water pump issues are all potential concerns. Regular flushing and inspection are essential.
      • Oil Leaks: Expect oil leaks from various points on the engine, including the valve cover, crankshaft seals, and oil pan gasket. These are typical for older engines but should be addressed to prevent further damage.
      • Valve Train Noise: Worn valve guides and lifters can cause excessive valve train noise. Adjustment and potential replacement may be needed.
  • Transmission:
    • Description: The standard transmission is a four-speed manual.
    • Common Issues:
      • Synchro Wear: Worn synchros can lead to difficulty shifting, particularly into second and third gear. A transmission rebuild may be required.
      • Clutch Wear: Clutch slippage is a common issue in older vehicles. Replacing the clutch disc, pressure plate, and throw-out bearing is a typical repair.
      • Linkage Issues: The shifter linkage can become loose or worn, resulting in imprecise shifting. Adjusting or replacing the linkage components can improve shifting feel.
  • Suspension:
    • Description: Features independent suspension all around.
    • Common Issues:
      • Worn Bushings and Ball Joints: These components are susceptible to wear and can cause excessive play in the suspension, leading to poor handling and ride quality. Replacing worn bushings and ball joints is crucial for maintaining proper suspension geometry.
      • Shock Absorber Wear: The original shock absorbers may be worn out or leaking. Replacing them with new units will significantly improve ride comfort and handling.
      • Spring Sag: The coil springs can sag over time, lowering the ride height and affecting handling. Replacing the springs with new or refurbished units can restore the original ride height and improve handling.
  • Brakes:
    • Description: Drum brakes all around.
    • Common Issues:
      • Brake Fade: Drum brakes are prone to brake fade, especially during prolonged or heavy braking. Upgrading to a more modern brake system may be considered for improved safety.
      • Leaking Wheel Cylinders: Wheel cylinders can leak brake fluid, reducing braking performance. Regular inspection and replacement are essential.
      • Worn Brake Shoes: Brake shoes wear down over time and need to be replaced periodically.
  • Electrical System:
    • Description: 6-volt electrical system.
    • Common Issues:
      • Wiring Issues: The wiring harness can become brittle and cracked over time, leading to electrical shorts and malfunctions. Rewiring the harness may be necessary.
      • Generator Problems: The generator can fail to provide adequate charging voltage. Rebuilding or replacing the generator may be required.
      • Corroded Connections: Corrosion can build up on electrical connections, causing poor contact and electrical problems. Cleaning and protecting the connections is important.
  • Body and Chassis:
    • Rust: Rust is a major concern, especially in areas prone to moisture, such as the wheel wells, floor pans, and lower body panels. Thorough inspection for rust repair is mandatory.
    • Structural Integrity: Ensure the chassis is straight and free from significant damage. Bent frames or heavily repaired areas can compromise the vehicle's structural integrity.

Driving Experience

Driving a W187 220 is a unique experience that offers a glimpse into the past. It’s not a modern performance car, but a refined classic cruiser.

  • Pros:
    • Classic Styling: The W187 220 boasts elegant and timeless styling that is sure to turn heads.
    • Smooth Ride: The independent suspension provides a surprisingly smooth ride for a car of its age.
    • Refined Engine: The inline-six engine is smooth and refined, offering adequate power for cruising.
    • Luxury Appointments: The interior is well-appointed with luxurious materials, creating a comfortable and inviting atmosphere.
  • Cons:
    • Slow Acceleration: Acceleration is leisurely compared to modern vehicles.
    • Drum Brakes: Drum brakes are not as effective as modern disc brakes, requiring longer stopping distances.
    • Handling Limitations: Handling is limited by the car's age and suspension design.
    • Maintenance Requirements: Requires regular maintenance and specialized knowledge to keep it running reliably.

Buying Advice

Purchasing a W187 220 requires careful consideration. Here's some advice:

  • Condition is Key: Prioritize condition over price. A well-maintained example will be cheaper in the long run than a poorly maintained one that requires extensive repairs.
  • Rust Inspection: Thoroughly inspect for rust, paying close attention to the wheel wells, floor pans, and lower body panels. Rust repair can be costly.
  • Mechanical Inspection: Have a qualified mechanic inspect the engine, transmission, suspension, and brakes. Look for evidence of leaks, wear, and damage.
  • Documentation: Look for vehicles with detailed maintenance records. Knowing the car's history can provide valuable insights into its condition.
  • Cabriolet Considerations: Cabriolets, especially the "A" versions, command a significant premium due to their rarity and desirability. Ensure the top mechanism is in good working order and the top material is in good condition.
  • Avoid: Avoid cars with significant rust or structural damage. Avoid cars that have been heavily modified, as this can compromise their originality and value.
  • Years to Look For: There aren't specific "better" years within the W187 production run as changes were minimal. Focus on overall condition.
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