1993 Mercedes-Benz 300TE 4MATIC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1993 Mercedes-Benz 300TE 4MATIC
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1993 Mercedes-Benz 300TE 4MATIC ProblemsRough running motor/lack of power due to failed ignition coil packs/spark plug resistors
Failed ignition coil packs or spark plug resistors can cause a rough running motor or lack of power.
A faulty mass air flow (MAF) sensor can cause erratic/rough engine operation and fuel economy issues. Since this sensor measures the actual amount of air entering the motor, when it fails, the engine control module (ECM) takes the wrong information and delivers incorrect volumes of fuel to the cylinders.
One or more blend door vacuum actuators may fail resulting in the incorrect output temperature from the HVAC system. Failed actuators will require replacement to restore proper HVAC operation.