1998 Mercedes-Benz E320 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1998 Mercedes-Benz E320
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
1998 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.
When the engine is running, but the vehicle is not moving, a rattle heard from beneath the vehicle could indicate that one of the exhaust catalytic converters has failed. The substrate (the internal part of the catalyst that reduces emissions) can loosen and bounce around inside the canister section of the converter—the defective unit will need to be replaced. If this problem is ignored, the substrate can break down and reduce to a size that plugs the outlet pipe, which will cause a sudden loss in power.
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.
1998 Mercedes-Benz E320 QuestionsWhat is the difference between scheduled maintenance A and B on my Mercedes (1 answer)
My scheduled maintenance light is on what do you get done with your maintenance A and what do you get done with your maintenance B
The noise is only noticeable at medium/slow speed when coming to a stop. It does not make noise while idling/ sitting still. It is a metallic rattle.