380 SL CONVERTIBLE RUN HOT ON THE HIGHWAY

1985 Mercedes Benz 380sl

Tiny

eugenewilson

March, 31, 2012 AT 2:47 AM

Does my 1985 mercedes benz 380 SL convertible run hot on the highway at 70 mph as the temp. Gauge maxes out at around 98C and varies down to about 90C to 95C. I just had the coolant and thermostat changed and the car still runs at these temperatures. The temp. Gauge I know "sticks" sometimes because I can pull back and release the break release and the needle drops back down some. I've been assured by my mercedes tech. That this is normal for my car and even in hot weather with the air on, the temp. Gauge might run over 100C.

FOUND 1464 RELATED QUESTIONS

Running Hot

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2 Answers

Tiny

ASEMaster6371

March, 31, 2012 AT 3:01 AM

Running it very hot can cause internal engine damage. I would get a second opinion on the true temp.

The radiator may be clogged causing this condition.

Roy

Tiny

norrisrn

August, 23, 2012 AT 4:23 AM

Make certain the replacement thermostat is the proper one. There are two different types and only one performs correctly.

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