1999 Mercedes-Benz E320 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Mercedes-Benz E320
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1999 Mercedes-Benz E320 ProblemsMalfunctioning 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.
The check engine light illuminated. An OBD reader confirmed a problem with the Secondary Air Injection System. I also noticed a loud roaring type noise for the first two minutes after vehicle starting. The problem was traced to a failed Secondary Air Injection Air Pump. Dealer wanted $1,300 to replace. I sourced a Bosch pump for the application and replaced it myself for around $450.
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.
1999 Mercedes-Benz E320 QuestionsHow do u get the key to start the ignition (1 answer)
My ignition key is not turning over to start my car and when it does turn it wont start my engine after sitting and jiggling for several hours the ignition turned over but would not start the car . A few times before I have started the car drove it, cut it off and it would not start back up my ...