MBWorld.org Forums - CLS Coupe (C219)

Rpm sensors problem

Robke1996 — Tue, 21 Apr 2026 10:28:56 GMT

Hello, I have a problem with my CLS w219. The live parameters show these numbers and they do not change when stationary or driving. The ABS and ESP systems are working, but the steering wheel is much heavier. Where should I look for the problem?

2008 MB CLS 550 Blower Motor Not Working

Mj23diablo — Fri, 03 Apr 2026 19:28:23 GMT

Hello Guys/Gals,
New to the site, apologize if this is wrong area for posting my issue. All of a sudden, I noticed my blower motor does not come on at all with AC/Heat on no matter what speed. The AC control climate display inside the vehicle works and everything seems to be fine. I replaced the blower motor and the blower motor resistor with no luck. I'm looking for the blower motor fuse#, I get conflicting reports that it's #77 or #33, I'm thinking its in the rear, pre-fuse box in passenger engine compartment, i don't know how to find it. Online says it's normally by the batter but my battery is located in the trunk. I don't know what else to check other than some kind of short in the wiring which I'm just not technically inclined to be able to do. Any help!?

2007 cls550 m273 intermittent misfire over a year

90sjake — Tue, 24 Mar 2026 04:16:04 GMT

I'm going insane. My 2007 cls550 with 130,000 Miles has been having an intermittent misfire for over a year now. I'll get a p0300 and a p0306. It will idle rough but drive fine. I've replaced the #6 cyl sparkplug. The coil. And recently the fuel injector. I thought the injector fixed the problem because it went 28 days and 600 miles after that before I went out and started the car and it was idling rough. Checked the codes and same thing . 0300 and 0306. Such a ler down. It usually goes a few days without issue then boom the rough idle and codes come back. She has plenty of power and no issues while driving. I haven't bothered checking compression because I figure a problem with compression wouldn't be intermittent and I'd feel some sort of power loss. To me this seems maybe electrical.

Since it's giving me a 0300 along with 0306 does that mean not just the number 6 cylinder? My scanner is one of those orange launch creader bi directional scanners. I'm trying to see if I can find the fuel pressure readings son the scanner.

Anyhow anything else I should be checking. Lke i said after replacing the injector it went 600 miles and 28 days without issue out of that mileage there was 2 one way trips of 90 miles. The rest of the miles during that time was multiple in town driving.

A lot of times when it's idling rough if I just shut the car off and back on na couple times it goes back to idlling smoothly.

I just wish if would mess up and stay messed up and give me more of a direction to investigate.