1991 Mercedes-Benz 300SE Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Mercedes-Benz 300SE
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1991 Mercedes-Benz 300SE ProblemsRepair Leaks From Head Gasket/Timing Cover Gasket Before Oil and Coolant Intermix
Internal and External engine oil & coolant leaks can develop from the head gasket and/or timing cover gasket; these leaks should be repaired before the engine oil and coolant intermix which can result in severe engine damage.
One or more blend door vacuum actuators may fail resulting in the incorrect output temperature from the HVAC system. Failed actuators will require replacement to restore proper HVAC operation.
A refrigerant leak may develop from one or more of the AC hoses. Proper leak detection procedures should be followed if refrigerant loss in encountered. Replacement of any leaking hoses will we required to restore proper AC operation.
1991 Mercedes-Benz 300SE QuestionsHow to replace the radio? (1 answer)
I need to replace the radio without messing the car up.
What happening when your button to the power window works sometime is it the button/window regularater or what please help if you can thankyou.
I have to turn the key in the ignition multiple times before the car turns over and start. Also my car idles very low.