1999 Mercedes-Benz S320 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Mercedes-Benz S320
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1999 Mercedes-Benz S320 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.
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.
A cracked or broken heater core outlet housing can cause a coolant leak near the bulkhead (firewall). Our technicians remind us that coolant leaks should be repaired in order to avoid overheating the engine due to coolant loss.
1999 Mercedes-Benz S320 QuestionsAnyone know how many miles you should get from a air suspension unit (1 answer)
Recently my nearside air suspension unit failed dropping the car dramatically,this turned out to be a quite expensive repair. The car has done 102000 miles.Would this be the normal lifespan of a air suspension unit, if so what is the likelihood of the remaining units failing.
Has anyone else had...
Battery went dead while car was parking. When I did the jump start it ran OK but lost throttle as the bas/slr light came on. Installed new battery but still light is on and throttle is not operational.
My car runs good but it shuts off, and then about half hour later it will start