Mercedes-Benz 300TE Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Mercedes-Benz 300TE

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Mercedes-Benz 300TE Problems

Erratic Engine Operation and Poor Fuel Economy Due to Faulty Mass Air Flow Sensor

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.

Rough Running Engine Due to Misfire

A rough running motor or lack of power can be caused by a failed distributor cap or rotor, ignition wires (or their resistors), or valve cover gasket leaks. If the valve cover gasket leaks, oil can pool where the ignition wire resistor connects to the spark plug. The resistor can fail and the spark plug may not fire because of a short circuit through the oil.

Cracked Driveshaft Flex Discs May Cause Driveshaft Movement/Vibration

A vibration felt through the center floor of the vehicle can be caused by cracked and/or shredded driveshaft flex discs, resulting in excessive driveshaft movement. If not repaired, damage to the driveshaft center support bearing, transmission, or differential can occur.

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Mercedes-Benz 300TE Questions

I need to replace a mutilated vehicle registration, but I cannot find the GVWR?? (1 answer)

I checked the doors but there was no sticker on either of them....
I did manage to find the curb weight, but cannot find the gross weights anywhere??

Just had head rebuilt engine compartment steam cleaned odometer has quit (1 answer)

Odometer/trip counter has stopped, speedo works.

R & R water pump (1 answer)

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Mercedes-Benz 300TE Reviews

Awesome car! These cars were so over-engineered and built as to almost never wear out. We drive "Betty" all over the Big Island with no worries about break-downs, etc. If you think getting your oil/filter changed is a service, you're heading for trouble, no matter what you drive. I service the car well, near-new tires, belts, hoses, etc. replaced on a regular basis. Use only Premium fuel...
Over all the car is very well made mine has 270,000 miles normal maint is required.
love the car but always seem to need something. Best family car EVER

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