HELP!! Can rainwater from a left-open sunroof damage my tranny? - Mercedes-Benz Forum

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post #1 of 5 (permalink) Old 03-29-2006, 05:40 AM Thread Starter
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HELP!! Can rainwater from a left-open sunroof damage my tranny?

My car, due to circumstances beyond my control--was left parked for a couple of days with the sunroof open and it rained really heavily. Now, after getting my 1997 CLK230 is having a transmission won't get outta 1st gear. The panel between the seats that controls the power windows blinks on and off and the windows are go up and down by themselves...would the water have maybe gotten into the tranny somehow and screwed with it? And will it just take letting it dry out to make it run properly again? HELP!
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post #2 of 5 (permalink) Old 03-29-2006, 08:00 AM
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RE: HELP!! Can rainwater from a left-open sunroof damage my tranny?

Can't see how water could get in the gearbox but if it was me I'd let it dry off and then change the fluid and filter.

- Jason

'61 Mercedes 220SEb coupe
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post #3 of 5 (permalink) Old 03-29-2006, 08:18 AM
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RE: HELP!! Can rainwater from a left-open sunroof damage my tranny?

Hi, Jesu, and welcome to the forum.

You aren't going to like this response, but there are some very sensitive electronics in the center console, and when they get wet, they typically short out and must be replaced. These electronics affect not only the windows, but also airbags (if equipped) and, as you've experienced, the transmission. From what I hear it's an expensive repair, in the 1K range. Since apparently a small spill of coffee can have that effect (great placement on the cupholders, MBZ), I would imagine heavy rains pouring down on it would do that, too.

If this was truly unavoidable (i.e., breakdown, accident,etc.), it might be worth reviewing your insurance policy and see if it might somehow be covered as ensuing damage.

Best advice I can give you is to call an indie (at least that will be cheaper than the dealer) and go from there.

Good luck and enjoy the ride,
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post #4 of 5 (permalink) Old 03-29-2006, 10:54 AM
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RE: HELP!! Can rainwater from a left-open sunroof damage my tranny?

If it were mine,before I headed off to the stealership I would patiently drive it with the heater full on, in whatever gear it felt like until the whole transmission and interior had thoroughy dried and aired.You MiGHT just get lucky!

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post #5 of 5 (permalink) Old 03-30-2006, 12:49 AM
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RE: HELP!! Can rainwater from a left-open sunroof damage my tranny?

Oh dear! This could be a problem. You can read here for problems with electronic control of transmission caused by spills in the gearshift area:



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