ML 320 Bluetec Review
#18
Lexus Fanatic
No need to worry about unscheduled urea refills, looks like Mercedes built in plenty of capacity:
"The AdBlue system injects an aqueous urea solution into the exhaust flow, which releases ammonia (NH3), reducing nitrogen oxides to harmless nitrogen and water in the downstream SCR catalytic converter. Just the right amount of AdBlue for a given engine load and speed is injected to get the greatest reduction of nitrogen oxides. Its tank only needs to be refilled every 10,000 miles during routine maintenance intervals (typical oil-change intervals are 10,000 miles)."
Source - Mercedes-Benz
"The AdBlue system injects an aqueous urea solution into the exhaust flow, which releases ammonia (NH3), reducing nitrogen oxides to harmless nitrogen and water in the downstream SCR catalytic converter. Just the right amount of AdBlue for a given engine load and speed is injected to get the greatest reduction of nitrogen oxides. Its tank only needs to be refilled every 10,000 miles during routine maintenance intervals (typical oil-change intervals are 10,000 miles)."
Source - Mercedes-Benz
#19
Lexus Fanatic
See below:
"The tank capacity is 28 litres in the R 320 BlueTEC and ML 320 BlueTEC, and 32 litres in the GL 320 BlueTEC. Even under more demanding conditions with a higher AdBlue consumption, e.g. when towing a trailer, this is sufficient to avoid the need for unscheduled refilling stops in the workshop. This means that the customer has no need to concern him- or herself with the AdBlue level in the tank. Should the AdBlue level unexpectedly fall below a certain level nonetheless, the electronics provide a timely warning."
Last edited by IS-SV; 06-02-09 at 06:59 PM. Reason: urea tank capacity
#20
Lexus Champion
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Right again. That's my folks place in the city. We live out here
#21
Lexus Champion
that looks like paradise to me! i'm jealous.
#22
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#24
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However, I think it really comes down to the driver. It is his or her responsibility to ensure that whatever action they take behind the wheel doesn't endanger other drivers or close pedestrians. I can operate the APS-50 navigation system while my car is in motion, but I don't. I usually find a spot to pull over and operate the system in peace and quiet. On a few occasions I have operated the system while traveling at high speed or on twisty roads.
Still, I wouldn't advise anyone to operate any type of navigation system, simple or difficult, during driving. The act itself is distracting and dangerous.
I think BMW does the whole sport suspension engineering part very well but their comfort is generally not very good. I've ridden in 3er and 5er BMW taxis when I first moved to Germany (try finding a BMW taxi in Stuttgart, Mercedes territory!) and compared to their Mercedes counterparts I found their suspensions to be too hard. As a whole BMW suspensions strike me as very nervous on rougher roads. They lack that balance that Lexus and Mercedes suspensions do so well, especially Mercedes. BMW suspensions are designed more for sport, not comfort.
Mercedes, in my experience, does the mix between sport and luxury quite well. The C class that I previously drove and the E class I am currently driving had an excellent balance between sport and comfort, something which most BMWs don't really come close too (more sport, less comfort). The S class suspension for example is always praised left and right, no matter who reviews it. That has got to say something about their suspension engineering capabilities. The new 7 series is great, but most reviews state the suspension is biased towards sport while the comfort aspect has been improved, but doesn't touch the S class and LS.
Porsche is another player in this department as is Audi though most Audi's don't quite seem to come close to the sportiness of a BMW and the comfort of a Mercedes. Lexus and Infiniti are also strong here. The LS and G coupe / sedan are evidence of this.
#25
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Great photo (nice mountains!) and a nice objective review of the ML. Love your IS-F by the way.
#26
There is no need to go to the dealer for urea-solution refill. If it runs low during along road trip, just go the rest area and empty your bladder into it.
Congrats on your ML!
Congrats on your ML!
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