1997 Mercedes-Benz S320 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1997 Mercedes-Benz S320
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1997 Mercedes-Benz S320 ProblemsClosing Assist/Door Lock Issues Due to Pneumatic System Problems
Problems with the pneumatic system can cause closing assist and door lock issues.
Failed ignition coil packs or spark plug resistors can cause a rough running motor or lack of power.
The emissions air injection pump can seize, causing a loud squealing noise followed by smoke from the drive belt. If the engine is not turned off, the belt will break, turning on the alternator/battery warning light.
1997 Mercedes-Benz S320 QuestionsAs I,m driving my transmission slips sometime! what's the cause of those? (1 answer)
When I stop! I have to put it in park then back in drive to go.