Most Common Car Issues

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Model
420
Model Year
1987

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MOST COMMON PROBLEMS

MERCEDES-BENZ 420 1987

The 1987 MERCEDES-BENZ 420SEL is a classic 4-door sedan crafted in Sindelfingen, Germany. Featuring a driver seat-only front and knee airbag, it offers Type-2 belts with emergency tensioning retractors for added safety. This elegant passenger car combines timeless design with robust safety features.

Spec:

Problems:

Oil leaks
The 1987 Mercedes-Benz 420 is known for developing oil leaks, particularly from the valve cover gaskets and oil pan gaskets.
Timing chain issues
The timing chain can stretch or wear out over time, leading to poor engine performance or even catastrophic engine failure if not addressed.
Fuel pump failure
Fuel pumps may fail, causing the engine to run poorly or not start at all.
Vacuum system problems
The vacuum system is complex in this model and can develop leaks, leading to issues with engine performance and various accessories.
Transmission problems
Automatic transmissions in this model can experience shifting issues or complete failure over time.
Cooling system failures
Radiators and water pumps can fail, leading to overheating problems.
Electrical issues
Electrical components such as the alternator, starter, and wiring can fail or develop problems due to age.
Suspension wear
Components of the suspension system, such as bushings, ball joints, and shocks, can wear out, leading to poor handling and ride quality.
Rust
Older Mercedes-Benz models, including the 1987 420, can be prone to rust, particularly in the undercarriage and wheel wells.
Brake system problems
Brake components, including the master cylinder and brake lines, can wear out or fail, leading to reduced braking performance.
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