Mercedes Coupes/Sedans/Wagons 1974-1984 Repair Guide

Catalytic Converter

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PRECAUTIONS



With the exception of diesels, most Mercedes-Benz cars are equipped with catalysts. The following points should be adhered to:

  1. Use only unleaded gas.
  2.  
  3. Maintain the engine at the specified intervals.
  4.  
  5. Avoid running the engine with an excessively rich mixture. Do not run the engine excessively on fast idle.
  6.  
  7. Prolonged warm-up after a cold start should be avoided.
  8.  
  9. Do not check exhaust emissions over a long period of time without air injection.
  10.  
  11. Do not alter the emission control system in any way.
  12.  

 
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