What causes a Mercedes C class to not idle?
Mercedes-Benz throttle body or throttle position sensor found on C-Class, E-Class, S-Class, CLK-Class, SLK-Class may fail causing idle issues, no idle or poor acceleration. Symptoms of defective Mercedes throttle body or throttle position sensor include: Rough idle Mercedes won’t idle High idle Idle at 2000 RPM Sudden idle surges Check …
Why is my Mercedes CLS engine not working?
As the sprockets continue to wear, the engine will develop a rattle from the loose timing chain. All the while, more and more metal is being ground away from the gears. If not fixed, one of the gears may fail eventually and take the engine out (valves hitting the pistons). It is a problem that you should not ignore.
What causes the throttle body on a Mercedes to fail?
When there are throttle body malfunctions the wrong amount of air enters into the engine causing problems with air/fuel mixture ratio. Here is a close up picture of a Mercedes throttle body. Mercedes throttle bodies made by Bosch and VDO may fail. Luckily these units are repairable.
How is the Mercedes Benz CLS suspension different?
In a CLS-Class car equipped with Airmatic, the suspension is supported by four struts – air springs and dampers integrated into single units. Here’s how the Airmatic is different from traditional spring suspension: In my opinion, the Airmatic is not unreliable, but it is significantly more complex than traditional suspension.
Mercedes-Benz throttle body or throttle position sensor found on C-Class, E-Class, S-Class, CLK-Class, SLK-Class may fail causing idle issues, no idle or poor acceleration. Symptoms of defective Mercedes throttle body or throttle position sensor include: Rough idle Mercedes won’t idle High idle Idle at 2000 RPM Sudden idle surges Check …
Which is worse rough idle or perfect idle?
Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stalling. Worse problem is bad hesitation when accelerating after throttle at idle position, sometimes stalling. Worst after stationary idle, but also after moving at low to medium speed with closed throttle and then accelerating.
What does it mean when your car Idles smooth?
Smooth idling indicates that your engine’s fuel and air are mixing just right. What is rough idling? If your vehicle’s idle is rough, possibly rising and falling, or having difficulty maintaining a steady rate of rotation, you may have a problem that needs fixing.
What should the RPM be on an idling car?
When you start your engine, and just let it run without pressing on the accelerator or putting it into gear, that’s idling. A properly idling engine should be able to maintain a steady but low rate of revolutions, somewhere in the vicinity of 1,000 RPM.