2003 CLK55 W209 vs CLK55 W208: Reliability/Maintenance/Price
I really like that 2005 CLK55 with the quad exhaust tips, but the price range is out of my reach. Do you think the 2005 price will fall soon in the next few months?
Can you tell me the difference in the reliability/maintenance between those cars?
So far I know the problem with W209 is the transmission contaminant. However, I still need to know more.
I plan to drive a CLK55 for my 70 miles round trip daily driving.
I smacked two clk55's (208) in my 209 this year with worn out rubber so I disagree with your first statement.
Other than that i cnt answer any of your Q's since ive never had any interest in the 208.
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You probably spanked the W208 in the long run.
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I know a mechanic from family's friends. He's a good mechanic, but he fixes many cars from different brands. I don't know if he is the right one for the PPI, since he probably isn't familiar with Benz.


If you look at the magazines, the w209 and w208 are fairly close, with the edge to the 209.
They are pretty reliable though, 2003 had the valeo radiator prob. Try to find an 04, but at 12k, I can not see you getting a nice example at all. I would take a excellent w208 over a high mileage ok W209. JMHO.
If you look at the magazines, the w209 and w208 are fairly close, with the edge to the 209.
They are pretty reliable though, 2003 had the valeo radiator prob. Try to find an 04, but at 12k, I can not see you getting a nice example at all. I would take a excellent w208 over a high mileage ok W209. JMHO.
I believe the 04 and 03s have the same brakes. 05 received the upgrade.
Last edited by Nachtsturm; Dec 19, 2011 at 12:29 PM.
I know a mechanic from family's friends. He's a good mechanic, but he fixes many cars from different brands. I don't know if he is the right one for the PPI, since he probably isn't familiar with Benz.

Lol....I wasted the volvo-esque W209 porker with my 208 full tank of gas running 87 octane, trailer hitch and 225s in the rear. Come to think of it, I was in winter mode too....
"Nuff said"
Since the sole reason for gearing is to multiply torque, lets look a little closer, shall we? Those who didn't sleep in class know where this is going.
The 209 and 208 CLK55 both have a 3.59 first gear, and both engines are rated at 376 pound feet of torque (although one is at 3K RPM and the other @ 4K). However, thanks to the rear, the 209 has an overall first gear ratio of 10.9854 versus the W208's overall ratio of 10.1238. Tossing aside drivetrain losses (which is probably the same for both cars anyway), max torque at the tire in first gear for the 209 is 4,130 pound feet. The W208? 3,807. Right about now the weight doesn't seem so big a deal.
But wait, there's more . . . . . . . .
If anyone thinks the 209/208 55 comparo sounds like a big difference, the seven-speed equipped CLK63 has a 4.38 first gear, an overall first gear ratio of 11.607 and 465 pound feet of torque to play with. Yeah, that's right: 5,397. And to think, somebody thought we didn't need a CLK63 coupe stateside.
If you look at the magazines, the w209 and w208 are fairly close, with the edge to the 209.
They are pretty reliable though, 2003 had the valeo radiator prob. Try to find an 04, but at 12k, I can not see you getting a nice example at all. I would take a excellent w208 over a high mileage ok W209. JMHO.
Back in the summer, the W209 CLK55 price was much higher than now.
Since the sole reason for gearing is to multiply torque, lets look a little closer, shall we? Those who didn't sleep in class know where this is going.
The 209 and 208 CLK55 both have a 3.59 first gear, and both engines are rated at 376 pound feet of torque (although one is at 3K RPM and the other @ 4K). However, thanks to the rear, the 209 has an overall first gear ratio of 10.9854 versus the W208's overall ratio of 10.1238. Tossing aside drivetrain losses (which is probably the same for both cars anyway), max torque at the tire in first gear for the 209 is 4,130 pound feet. The W208? 3,807. Right about now the weight doesn't seem so big a deal.
But wait, there's more . . . . . . . .
If anyone thinks the 209/208 55 comparo sounds like a big difference, the seven-speed equipped CLK63 has a 4.38 first gear, an overall first gear ratio of 11.607 and 465 pound feet of torque to play with. Yeah, that's right: 5,397. And to think, somebody thought we didn't need a CLK63 coupe stateside.
I went through many different reviews and specifications, the CLK55 W208 is between 4.9 to 5.0 seconds from 0-60mph. For the CLK55 W209, it's between 5.2 to 5.0 seconds. I think it really depends on the drivers who test drove it. Probably, the W209 got bad tires for the acceleration, or bad weathers. I didn't look up what tires and weather they used.
I'd believe the actual drivers here talking about how much faster W209 is than the W208, since that are the real evidences. Marcus's calculation nails the coffins, that W209 should be faster.
Back in the summer, the W209 CLK55 price was much higher than now.
This looks great. Still have a soft spot for the W208.
I'd believe the actual drivers here talking about how much faster W209 is than the W208, since that are the real evidences. Marcus's calculation nails the coffins, that W209 should be faster.
Not that I could top Marcus' tutorial, but I would question the quoted acceleration times for the W209. Car & Driver, which has no objection to abusing drivetrains and therefore usually clocks the fastest 0-60 times, cited a 4.7 second time for their 2003 W209 CLK55 test. Road & Track went a little easier on the car and turned a 4.9 second time, and Edmunds, who drove it like they paid for it, turned in a 5.1 second time. Mercedes' official claim for the car was a 0-100 km/h time of 5.2 seconds, which would jive with a 0-60 time of just under 5.0 seconds.
My simpleton approach would be to say that better gearing down low and 20 additional horsepower at the high end basically offset the W209's couple hundred pounds of additional mass, and any difference in acceleration between the two is probably academic and not something you'd notice in real world driving. Any difference in performance between the two cars pales in comparison to the difference in appearance.
My simpleton approach would be to say that better gearing down low and 20 additional horsepower at the high end basically offset the W209's couple hundred pounds of additional mass, and any difference in acceleration between the two is probably academic and not something you'd notice in real world driving. Any difference in performance between the two cars pales in comparison to the difference in appearance.











