Question about 1993 Mercedes-Benz Mercedes Benz 300 Class

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1993 Mercedes 300D loses power up hills.

My 300D has very slow Accerleration. Frequently loses power up slight grades. Is it a turbo problem, transmission problem, or something else?

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  • Anonymous Apr 28, 2009

    '82 300TD. One day lost power going up a hill. any new developments with jet_reid?

  • Anonymous Mar 25, 2014

    Loses power on hills

  • Anonymous Mar 25, 2014

    loses power on hills

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It could be a turbo problem but i dont think its the transmission or it wouldnt be shifting.it almost has to be the turbo.

Posted on Jan 13, 2009

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Posted on Jan 02, 2017

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Hi my 02 avensis verso totally loses power when hot going up a hill or incline..really embarrising...cleaned ecg valve any other ideas


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The air filter can sometimes be a good place to start, as a slightly blocked/dirty/damaged one can give the car near normal operation on flat roads but when going uphill make it slow right down.

would suggest you try that first. If that doesn't work it could be a faulty/blocked fuel filter or dodgy turbo or slipping clutch or air/fuel mix issue (faulty sensor).

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What is D3 in autogear


it will be more noticeable at highway speeds if you use D3 as the transmission won't use the 4th and 5th gears. This will result in higher engine revving (watch the tach) and will use more gas. The car may feel like it's accelerating faster at these speeds, but at the same time, engine braking will slow it more when you take your foot off the gas.King Scanner G3 for Toyota Tis and Honda Him

D3 exists if you are going up (or down) a mountain and want the engine to be limited to 1st, 2nd, and 3rd gear rather than "searching" for the best of 3rd, 4th, and 5th frequently (although with the grade logic Honda employs this has never annoyed me). ymmv (your mountains may vary).

D3 Doesn't hurt anything; slightly more fuel consumption as the engine will rev higher, but better to be in "D" for normal driving and let the transmission use its full range of gears

Apr 26, 2012 | Cars & Trucks

1 Answer

1983 mercedes 300d turbo diesel automatic electrical problem


There is a junction block about 6 inches in front of the battery on the fender, there should be battery voltage on the big wires. The small wire is the starter solenoid. Front the junction block, the power goes to the light switch then to the ignition switch.

Good Luck

Chet

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is this the model with the vacumn operated govenor for the idle ??

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Car looses power up a hill


How slight was the hill and how much weight did you have in your car? When you got power back was it because you were no longer on the hill or were you going downhill?
You may just need to drop down a gear to get the power back, if you have a heavy car even slight hills can cause it to lose power especially if your in top gear. You have a "sports transmission" option (I'm pretty sure it's on all the DSG transmissions) you just need to move it across to the +/- bit and move the stick to the - to go down a gear. Otherwise you'd have to wait until your auto decides it's lost enough revs to go down a gear. Which is why I hate autos.
Otherwise it could be bad fuel or something wrong with the turbo.

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Loss of power going up grade


sounds like a very common problem on turbo vag vehicles,the variable vains are sticking in the turbo,your fault code would have said....turbo boost pressure not reached.....common with v v t turbos,run a good quality fuel cleaner through it ,if that doesnt work then a new turbo is the only cure

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Gmc 2500 gmc turbo diesel 4x4


Check all electric connections going to transmission as (od) is electrically activated. check the conections and entire wire path for damage. OD can be disengaged by slowing speed or slight tap of brake pedal so check disengage switch and wires on brake pedal. I hope this is helpful, please rate me

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