Mercedes-Benz SL550 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercedes-Benz SL550
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Mercedes-Benz SL550 ProblemsCheck Engine Light Due to Faulty Camshaft Adjuster Solenoid
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.
The evaporator temperature sensor can fail, causing the AC compressor not to cycle. If the AC compressor does not turn on, the AC system will not blow cold air. If the compressor is stuck on, the air will be very cold at first, before warming up.
Mercedes-Benz SL550 Questionsi press remote to lock my doors and a buzzing noise has started almost like my alarm but lighter sound. I cut the car on it still making that noise. i removed the battery cable the noise wasn't as loud but you can still hear that buzzing sound. Advise (1 answer)
Mercedes-Benz SL550 RecallsHeadlights Not Aimed Properly
The headlights may not be aimed properly. Dealers will inspect and if necessary adjust the headlamp assemblies free of charge to resolve the concern.
In a crash that deploys vehicle air bags to protect occupants, the passenger seat air bag may not deploy, increasing risk of injury. Dealers will replace the passenger seat air bag free of charge to resolve the problem.
The occupant detection system may unintentionally shut off the passenger front air bag due to a sensitivity issue in the sensor mounted within the passenger seat cushion. Dealers will replace the passenger side seat cushion which includes the sensor free of charge to resolve the concern.