SL/R230: Want to purchase an R230, don't know where to begin!
It would be greatly appreciated if any of you would be willing to pass on your words of expertise and wisdom, even if it's a simple "Beware of model year 200*, because_____________." Or, if there is a thread for would-be purchasers and I have simply missed it, please feel free to direct me there!
Thanks for any help you can give. Really looking forward to getting started with this. Can't stand the thought of going into this summer without my 560!



Don't waste your money buying a 500. If you are going to deal with the maintenance cost and headache at least get a 55.
other common issues: soft close trunk, front convertible top latch will be first to leak hydraulic fluid, rear trunk flap covers break, gear shifter, crank position sensor, tranny electrical connector (will begin leaking and wick fluid up the electrical wires and ruin the transmission computer), tranny conductor plates, gas tank baffles break (only earlier model cars), leaking rear window trunk seal (redesigned in 05, but still notorious for leaks), plastic tensioner pulleys cracking and breaking, SBC (sensotronic brake control) unit needs replaced after 300k brake actuations (usually between 75-125k miles), front lower control arm bushing usually are hammered at around 40k, tranny mounts at 50k, and engine mounts at 100k, ABC accumulators will need replaced about every 10/yr 100k (often times even sooner), and I'm sure there's a few other things I've missed.
Buying a nearly 15 year old R230 can get very expensive very quickly. Buying one that has had most of these problems recently attended to will save you thousands of dollars even if the purchase price is more.
If you plan on doing any work yourself, you need to buy a STAR tool, which is the diagnostic system used by MB. Many systems on the car are near impossible to diagnose or even maintain without one. If you don't plan on doing the work yourself, plan on spending at least a few thousand a year in repairs and maintenance.
Having said all that, when working properly, the R230, particularly the AMGs, are a dream. The issue is that often that dream can turn into a nightmare, particularly if you purchase a 'cheap' one that has been poorly maintained previously. You can easily drop 5 grand on one in a hurry if someone else is doing the work.
Last edited by carguyshu; Mar 7, 2017 at 12:31 AM.

I know that it's a dice roll. I'm just a little nervous. Going into retirement, with a far smaller income than we had in our employed days, it will be a quite a bit more of a hit to our budget if the MB dealer says "Give me $2000!" I just have to decide how much of that risk I'm willing to take. Hopefully, by the time I get to FL, I'll know.
Trending Topics
The Best of Mercedes & AMG




Why don't we also post the good about them, how they put a smile on your face when you drive them.
It would only be fair to prospective SL buyers who come to this forum for advice otherwise it's just weird to be bashing our own.
Indeed the ABC system has problems but it has been introduced in production 16 years ago so we have hardware and technology that is not really very new.
Why don't we also post the good about them, how they put a smile on your face when you drive them.
It would only be fair to prospective SL buyers who come to this forum for advice otherwise it's just weird to be bashing our own.
Indeed the ABC system has problems but it has been introduced in production 16 years ago so we have hardware and technology that is not really very new.
Would you be willing to explain the ABC system that has been mentioned? I'm really new to that and haven't had time to even look it up, yet. Maybe you could give me the reader's digest version of it. Thanks for any input you can give, on EITHER side of the argument!




You can't do that with many cars.
You can't do that with many cars.
1. Check the ABC struts, hoses and resevoir for leaks and check the fluid is a nice light green colour. Ask the seller when the fluid was last changed, it should be done every 2 years. Brown or black ABC fluid is bad.
2. Check that the rubber seal between the bottom of the rear window and the trunk lid is not leaking, this is a common issue but is easy to fix.
3. Whilst in the trunk check in the spare wheel well for water (this is where the leaking seal dumps its water), if there is any or it looks damp check the PSE pump and the sponge that surrounds it, a wet pump or sponge is bad.
3. There is an airbox under one of the hood vents that can collect water if the drain is blocked, the drain empties in the nearest wheel well and needs to be clear. If the airbox has any water in it then water can overflow into the inside of the car which causes havoc with the electrics. If any of the underside of the carpet is wet then that is an indication the airbox has overflowed.
4. Check the rear wheel arches for rust, mud and water collects under the rim and causes rust. Front arches are aluminium so no issues there.
5. Lastly check all the electrics are working and the roof operates smoothly.
If you buy a bad R230 it will cost you so make sure at least the things mentioned are ok.
1. Check the ABC struts, hoses and resevoir for leaks and check the fluid is a nice light green colour. Ask the seller when the fluid was last changed, it should be done every 2 years. Brown or black ABC fluid is bad.
2. Check that the rubber seal between the bottom of the rear window and the trunk lid is not leaking, this is a common issue but is easy to fix.
3. Whilst in the trunk check in the spare wheel well for water (this is where the leaking seal dumps its water), if there is any or it looks damp check the PSE pump and the sponge that surrounds it, a wet pump or sponge is bad.
3. There is an airbox under one of the hood vents that can collect water if the drain is blocked, the drain empties in the nearest wheel well and needs to be clear. If the airbox has any water in it then water can overflow into the inside of the car which causes havoc with the electrics. If any of the underside of the carpet is wet then that is an indication the airbox has overflowed.
4. Check the rear wheel arches for rust, mud and water collects under the rim and causes rust. Front arches are aluminium so no issues there.
5. Lastly check all the electrics are working and the roof operates smoothly.
If you buy a bad R230 it will cost you so make sure at least the things mentioned are ok.
I just looked up what the ABC system was. Wow, I can see why those things are scary, when they go bad.
While I'm knocking on wood........I find that most, if not all, car forums have far more complainers than praisers. I'm not suggesting that these ppl don't have issues, I'm simply suggesting that when ppl are happy they spend their leisure hours driving their cars because they're not searching for answers to car problems.
While I'm knocking on wood........I find that most, if not all, car forums have far more complainers than praisers. I'm not suggesting that these ppl don't have issues, I'm simply suggesting that when ppl are happy they spend their leisure hours driving their cars because they're not searching for answers to car problems.
I agree about the negatives. I'm the same way. When things are going well, I'm not checking in as often as I should. Hopefully, I'll get lucky like you did. Thanks for the feedback.
It's been exactly one week since taking delivery of my 08 SL550 so here are some thoughts:
- I researched and confirmed the vehicle received vast amounts of maintenance over it's life thus far, all MB dealer performed.
- Recent work (within 7 months & 6k miles): Tranny/differential fluid change, motor mounts, brake flush, AC work, oil change, air filter.
- The dealer where I purchased the car performed a bunch of additional stuff including: new brakes, tires, fuel filter, performed rear deck flap update, serviced top mechanism, flushed ABC with new filter and oil change (again).
- I purchased an extended warranty for an additional 48 months/48k miles which covers just about every parts except typical wear items.
- The car drives like an absolute dream! She tracks straight, brakes beautifully, takes corners better than my Porsche, and can go like mad when asked.
- I wasn't too keen on the ABC suspension, mainly due to the potential issues posted on this and other forums, but I must admit that the system is fantastic. She holds the road and glides over bumps so much better than my C Class (traded in).
- She's a bit thirsty around town (@18mpg).
- I feel like I cheat on my wife everytime I grab the keys...
Last edited by pfarah77; Mar 7, 2017 at 10:13 PM.




Flowrider99 from U.K. is right, his #1 item is the most important. As I posted in another thread I had to change the valve block o-rings and that was only $10 because I did it myself and I had to change the pump (also myself), new pump $600. And maybe $100 worth of hydraulic oil. I have the SDS so I probably saved $3-4000 from the stealership. Actually that's what made me get an SDS when the dealer quoted me $1500 to do a "rodeo" which is a 15 min. procedure.
SL comes from the German Sport Lite, SLK is Sport Lite Kurz, where kurz means short. Try them both and then decide, it's smaller but you can get a SLK55 (I think) which should be fun.
In your situation on your budget I would also consider an R129, since it would have all the amenities of an R230 except for ABC, of course. The '99-'02 SL500 even has the same engine as the R230 SL500.


