Any idea how much all of this may cost? (03 E500)
Replace damaged small top fill radiator hose. (runs parallel to top radiator hose)
Check, or replace thermostat. Car runs 100 and max is 95. Maybe a cooler thermostat?
Check motor mounts- can feel a twisting at harder starts.*
Fix rough idle or miss.*
Fix mild roar car makes when driving. Feels like a wheel bearing?
Sbc *pump oils, flush.
Engine filters replace plus oil change
Replace air filters plus cabin air
Alignment 4 wheel needed wheel slightly turned
Fog lamp bulbs changed (keep passenger side as a spare)
Third brake light replaced (I have oem replacement)
Check valve cover gaskets
Replace cigarette lighter socket
Replace swivel cup holder (have oem replacement
Brake flush. All four corners. Check brakes
Sticky feeling start button on shifter knob (something spilled in it I'm sure)
Check shock and air suspension. Car leans in turns in both sport modes, and has brand new perf tires.
Power steering fluid. If smells burnt, vacuum, and replace fluid.
Replace drivers door handle (I have part)
Change trans oil
Remove old phone from center console that's outdated.
If I were to sell it, I'd have to fix the motor mounts as when you step on the gas, it's obvious a mount is broken.
If I trade it, I'd have to do the same as the dealer would find it on their arou d the block test drive.
I've got 13,000 in it plus new Nitto tires, newly evacuated a/c, new freon at dealership, etc., had it detailed flawlessly. Kelly blue book hits it around 15k private party, and close to 13k trade. Any ideas what selling price for quick sale if I decide to do that?
Thanks again guys!
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and on top of that lord knows how long till i start having airmatic issues
Last edited by gaazmon; Jul 29, 2012 at 05:21 PM.
- Decide if you want to get your hands dirty with the tasks and whether you should or shouldn't try to. You will learn something trying to do it yourself. The lessons may be enlightening or may be frightening. It takes tools, time and tenacity. Timidness won't do it.
- Decide if you want to keep the car
- If you decide to keep it, then do the urgent maintenance items or have them done soon
- Ask yourself why some of these items are on your list. Who put them there? Why?
- Divide your list up. Don't confuse fault items with maintenance items
- There are several items you could ignore. Who cares if the start button is slightly hard to press? Do you actually need the lighter socket?
- Expect and budget to replace air-suspension components on a 2003 E500 by now. But you don't have to replace airmatic with airmatic if you don't want to. There are alternatives
- Is there actually something wrong with your brakes? Get it seen to before your SBC 10 year warranty goes away next year. (That doesn't mean all brake-work is free! It does mean if there's something wrong with the SBC, now is the time to check it out - while Carl and Gottlieb at MBUSA might pick up part of the tab.)
- Take care of the thermostat issue and the hose. Now. That is your greatest exposure to further problems. (assuming the SBC and potentially bad suspension don't wrap you around a tree, and I doubt either will.)
- You do not need to ponder on a "cooler" or a "hotter thermostat." You need the one specified for your car, in your market
- Find an independent Mercedes workshop and enlist them if you decide not to do the work yourself. You do not have to enlist a proper dealer except for the SBC work unless you are happiest doing so. Do not enlist a mechanic who lacks Mercedes knowledge. I am sure you will need help for some of this work.
- Start to write down your fuel consumption per-tank and share what you learn on his forum. That will help other E500 owners to help you figure out the general health of the car. (e.g. If those noises you are hearing really could be bearings going bad, or just regular and to be expected.)
- Is the Check Engine Light on? If so, get the rough idle looked into and be sure to have the mechanic write down and share with you the fault codes and post them here. Or get a code reader yourself and do it
- When is your next state inspection/ emissions test? If soon, that will focus your mind on check-engine lights, misses and codes.
- Research, research, research. There is a wealth of learning on this site and elsewhere. You'll get respect if we can all see you've tried to look stuff up and learn. You'll get ignored if all you do is bleat out questions without lifting a finger to help yourself. (and I am not saying that you have been!

Thinking about selling her. Just want to find one someone who has actually maintained without paying too much. My Wife says the 03 E500 is a grandpa car,
but I disagree. I found a 4 matic recently that was a "deal," but since I'm in FL most of the time, I can't justify dropping 2k on the inevitable 4matic differential. I do, however, need to drive in the snow at times with family in the north east, so tough call. I'm open to suggestions.I really want to fix this car as I like it well, but don't want to waste $ if I can avoid it.
Last edited by leap; Jul 22, 2012 at 03:21 AM.




Thinking about selling her. Just want to find one someone who has actually maintained without paying too much. My Wife says the 03 E500 is a grandpa car,
but I disagree. I found a 4 matic recently that was a "deal," but since I'm in FL most of the time, I can't justify dropping 2k on the inevitable 4matic differential. I do, however, need to drive in the snow at times with family in the north east, so tough call. I'm open to suggestions.I really want to fix this car as I like it well, but don't want to waste $ if I can avoid it.






the 500 is a beast of an engine. These cars r pretty heavy but the V8 hauls 