Problems with the pneumatic system can cause closing assist and door lock issues.
Resources for the Repair and Maintenance of your 1998 Mercedes-Benz S420
1998 Mercedes-Benz S420
1998 Mercedes-Benz S420 Problems
One or more door windows may stop working due to a failed window regulator. Replacement of the failed regulator will be necessary to correct this concern.
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A faulty mass air flow (MAF) sensor can cause erratic/rough engine operation and fuel economy issues. Since this sensor measures the actual amount of air entering the motor, when it fails, the engine control module (ECM) takes the wrong information and delivers incorrect volumes of fuel to the cylinders.
Glove box hinges, the center console armrest, and the cup holders break.
The engine wiring can degrade because the insulating material falls off leaving the bare wire exposed. This can cause many problems depending on which wires are exposed and what they touch.
1998 Mercedes-Benz S420 Questions and Answers
I REPLACED THE BLOWER MOTOR AND AM NOW GETTING FORCED AIR INTO THE PASSENGER COMPARTMENT. UNFORTUNATELY THE AIR IS "WARM" NOT HOT. I'M TOLD THAT A PART THAT SITS ON TOP OF THE ENG...
DOES ANYONE KNOW WHAT A D MODEL VALVE IS?
We replaced the trans, & it won't shift, even manually. We replaced the tcm with a used one, but neither the old one or the used one has voltage to the solenoids. The white wire (+) has no...
I just picked up the vehicle at body shop having the front bumper repaired. Turning on the air conditioner, no air flow is generated. I tried to remove "auto" set on driver side but th...
Hi, I like to know which side is a cylender #8 on 1998 mercedes benz s 420
1998 Mercedes-Benz S420 Reviews
OVERALL, THIS IS ONE OF THE BEST HANDLING CARS THAT I'VE EVER OWNED. I'VE OWNED A Z-28 CAMARO, A VOLVO, A LEXUS AND ABOUT 7 TOYOTA SUVs. THE BRAKING IS INCREDIBLE AND THE DRIVE IS LIKE BUTTER. WHAT DRIVES ME NUTS IS THE GASOLINE SMELL IN THE COMPARTMENT PRESUMABLY FROM THE NEW CATALYTIC CONVERTERS WE JUST INSTALLED (FOR THE 2ND TIME). THE STEERING WHEEL PUMP HAS HAD TO BE REPLACED (ALSO FOR THE 2ND TIME). THE HEATER MOTOR HAS BEEN REPLACED BUT THE CAR STILL DOES NOT BLOW HOT AIR JUST LUKE WARM AIR.