Brake Sensor Problems of Mercedes Benz SLK320

Mercedes Benz SLK320 owners have reported 5 problems related to brake sensor (under the service brakes category). The most recently reported issues are listed below.

1 Brake Sensor problem of the 2001 Mercedes Benz SLK320

Failure Date: 01/03/2018

I do not know what this is involving, but from what I have read it may be a sensor and everybody that has had this problem could not easily get a mechanic that understood what to do. This is a very dangerous issue. This has happened now three times and I cannot drive the car now. I have low mileage on this car. I was driving about 55 miles and hour and suddenly my car braked, made a scraping noise & swerved to the right. This lasted 20 seconds. It scared me since someone was behind me and about ran into my rear end, not to mention other cars around me. My mechanic checked my car with the benz computer system and did not find anything and told me sometimes this happens and it never happens again. Tonight it happened two more times on the freeway and while driving over the canyon where many cars go off the canyon road over cliffs. It lasted a good 20 seconds doing the same thing and it was a crowded freeway. This time I found that my bas/esp light came on. After researching this issue I find that your company dropped the recall issue on this car when this is an extremely serious problem. Most mechanics cannot fix this problem and I see that mercedes knows about this & that there was a potential recall issue. Does somebody need to die to fix this with a recall? very frightening that this issue has not been taken care. As said many mechanics don't know what it is and cars still have the same serious problem. How can this issue be taken lightly??.

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2 Brake Sensor problem of the 2001 Mercedes Benz SLK320

Failure Date: 02/06/2015

While driving it, the car will act like I slammed on the brakes and the bas/esp light will come on. I am not hitting the brakes when this happens, I am just driving along. Initially, these events happened at low speeds, more recently it happened at 50mph in the rain. There seems to be no connection to speed, acceleration, turning, or anything other than random faults. Dealer read an esp code c1120-004, 016 esp yaw sensor plausibility occurred 1 time and erased code. They could not duplicate the condition in a short test drive. Nevertheless, it happened again at freeway speed on the way home, and again the following day at slow speed.

3 Brake Sensor problem of the 2001 Mercedes Benz SLK320

Failure Date: 01/03/2014

Car driven normally on cold, clear night. Road condition was fair (dry from centerline to travel lane midpoint w/ hard-packed snow from there to shoulder). Experienced a vibration, squealing noise & slight pull to right. Stopped to investigate possibility of blown tire. Found nothing wrong after visual inspection, so resumed driving. Approx. 15s later, squealing, vibration & sensation of pulling to right returned, then car would not respond to throttle inputs & slowed from 40 to 25mph. Car then shuddered violently w/ loud screeching noise, snapped to right & lost control. Attempts to counter steer were ineffective as car slid on hard-packed snow for approx. 100¿ & struck snowbank at 20mph. Fortunately snow was very light, dry and fluffy & deceleration was reasonably gentle. No major damage occurred & air bags did not deploy. After extricating, car could not be driven. An observer standing outside the car noted front right wheel would roll for a few feet, then lock up. Shut engine off & restarted (attempting to reset systems). At this point both ¿bas esp� and ¿abs� warning lights illuminated (they were not lit previously). Car still could not be driven - front right wheel would lock up after a few feet of travel & had to be towed away. Later determined incident caused by yaw sensor failure. Front right wheel had been locking & sliding on hard packed snow then suddenly regained traction when it crossed a dry patch of pavement, causing the rapid directional change & loss of control. Very dangerous. If car had hit a tree, parked car, etc. Instead of soft snowbank this would have been a serious crash likely w/ injury. Unacceptable & unsafe! please reopen investigation! this is a potentially very dangerous system! sensors should continuously self-check & shut system off completely if failed. This will kill someone eventually if nothing is done!.

4 Brake Sensor problem of the 2001 Mercedes Benz SLK320

Failure Date: 06/12/2013

While driving approximately 30 mph along a straight paved road under clear conditions, the right rear tire suddenly locked. There was a loud screech from the tire. The car immediately fishtailed and swung the rear end of the vehicle into the oncoming lane and directed the car towards the sidewalk where pedestrians were walking. Thankfully, I was not traveling fast! after some research, this seems to be an very dangerous, yet relatively common, issue with mercedes. Despite the complaints, a NHTSA investigation into the faulty yaw sensor (turn rate sensor) was abandoned. Please reopen the case as this is a serious issue!.

5 Brake Sensor problem of the 2002 Mercedes Benz SLK320

Failure Date: 12/29/2012

Suddenly, for no reason, the right front brake activated, causing the car to pull to the right. This released within a second. I stopped and restarted. This happened again at about 60 miles per hour. I had the car checked by a certified mechanic. Several sensors were replaced. The problem continued several more times. I called mercedes about the problem. They wanted me to take it to dealer and pay the dealer to check the problem. The problem got worse over time. I had to replace the battery a few months ago. Since then, I have had no more problems. This causes a great deal of concern. I do not do know if the problem is fixed and if it is, what fixed it. This is know issue to mercedes.

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Other Common Service Brakes related problems of Mercedes Benz SLK320

Problem Category Number of Problems
Service Brakes problems
9
Brake Sensor problems
5
Brake Antilock Wheel Speed Sensor problems
2
Brake Light On problems
1


SLK320 Service Bulletins