2002 Mercedes-Benz E320 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2002 Mercedes-Benz E320

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2002 Mercedes-Benz E320 Problems

PSE system/voice control/Tele Aid module failure may cause lack of audio/dead battery

PSE system, voice control module, or Tele Aid module failure can cause a lack of audio. These same modules can also cause dead battery conditions when they fail to "time out." Many electronic control modules are active even when the engine is off. If these modules stay active, they will drain the battery, which is why they have a timer built into the modules. The timer shuts down the modules after a preset amount of time (timing out). If a module does not time out, it will stay active and drain the battery.

Engine Performance Problems Due to Crankshaft Position Sensor Failure

The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance.

Malfunctioning Regulators May Cause Blower Motor Failure

A malfunctioning HVAC blower motor regulator can cause the blower motor to operate below the requested speed or not at all. Updated regulators are available; the blower motor and cover need to be replaced at the same time to upgrade the system.

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2002 Mercedes-Benz E320 Reviews

Great car with lots of room. Maintenance: Catalytic converts were replaced (dealer qoute was high, done much cheaper at muffler shop).

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