Mercedes-Benz S550 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercedes-Benz S550
Never overpay. Check prices with our estimator
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Mercedes-Benz S550 ProblemsHVAC Blower Motor May Fail
The HVAC blower motor may fail. This is commonly caused by water entry through the cabin air filter areas during heavy rain or snow. Failed blower motors should be replaced. Our technicians tell us there is no special fix for this issue at this time.
The camshaft adjuster solenoid (which is related to the variable valve timing system) may fail or timing chain/balance shaft components may wear, resulting in illumination of the Check Engine Light and various drivability issues. Mercedes-Benz has released a service bulletin outlining specific repair instructions depending on fault codes stored.
The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.
Mercedes-Benz S550 QuestionsWhy the engine sound louder than usual (1 answer)
I've noticed for the last 2 weeks that the engine sound louder especially when the car in P mode
I noticed today by left rear wheel undercarriage soaked in fuel.
I went to the shop and they said the diagnosis machine said my amp is bad? Could it be the wires connected to it? Before I spend a lot of money buying a new one is there a cheaper option?
Mercedes-Benz S550 RecallsPower Steering Assistance Fails
The electric power steering system may have improperly soldered contacts inside the control unit. This could result in the power assist failing while driving. Dealers will replace the electric power steering control unit free of charge to resolve the concern.
The seat belt extenders may not retract properly and could break in a crash. Dealers will update the control unit software free of charge to resolve the concern.
The low beam headlights may be out of adjustment. Dealers will inspect and correct the headlight adjustment as necessary free of charge to resolve the concern.