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Problems for specific Mercedes-Benz 600SEC years:

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Newest reported Mercedes-Benz 600SEC problems

 

Verified for the Mercedes-Benz 600SEC

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.

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Verified for the Mercedes-Benz 600SEC

A refrigerant leak may develop from one or more of the following AC components: AC compressor, hose manifold for the compressor, or the evaporator core. The loss of refrigerant can cause poor AC performance. Our technicians tell us that proper leak diagnoses should be performed in order to determine the cause of any refrigerant loss.

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Verified for the Mercedes-Benz 600SEC

Other than a defective motor, a bad switch or blower motor resistor assembly can cause an inoperative heater blower motor.

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Verified for the Mercedes-Benz 600SEC

The lower control arm bushings can wear and crack, resulting excessive movement at the control arm pivot point, leading to irregular and premature tire wear. Worn Ball joints can also cause similar tire wear symptoms. I some cases it may be necessary to replace the lower control arm, including bushings & ball joint to correct this concern.

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Verified for the Mercedes-Benz 600SEC

The head lamp wipers are easily damaged, especially by automatic car washes.

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Verified for the Mercedes-Benz 600SEC

Due to exposure to the sun, lenses for head lights may become opaque (cloudy or hazy). This reduces the effectiveness of the lights. Our technicians tell us plastic polishes can improve the clarity of the lenses, but replacement of the lamp housings is the only way to regain the full intensity of the lights.

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Verified for the Mercedes-Benz 600SEC

The cooling system hoses may fail unexpectedly. The hoses can look good on the outside, but the rubber can degrade and erode on the inside. If not carefully checked, the hoses can burst at any time.

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Verified for the Mercedes-Benz 600SEC

The climate control system can fail or perform erratically due to internal problems with the climate control button electrical contacts. Replacement of the climate control assembly is commonly required to correct this problem.

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Verified for the Mercedes-Benz 600SEC

Vehicles with automatic level control that ride harshly in the rear (no give in the suspension) may have one or both dampening actuators which have failed. It is commonly recommended the actuators be replaced in pairs.

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Verified for the Mercedes-Benz 600SEC

The electronic throttle assembly may suffer an electrical failure. It is often cheaper to send the valve to a service center for repair that to purchase a new part.

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Verified for the Mercedes-Benz 600SEC

Problems with the pneumatic system can cause closing assist and door lock issues.

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Verified for the Mercedes-Benz 600SEC

A coolant leak may develop form the Radiator due to degradation of its plastic components. Replacement of the failed radiator will be necessary.

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Verified for the Mercedes-Benz 600SEC

High mileage vehicles may develop a leak from one or more of the transmission oil seals.

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Verified for the Mercedes-Benz 600SEC

As brake fluid becomes dirty over time, it can cause a failure of the anti-lock brake system (ABS) modulator assembly. Our technicians recommend a complete brake system flush every two years to help prevent this issue.

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Verified for the Mercedes-Benz 600SEC

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.

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