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The pre safe functions are limited. 2013 ML 350. However the
however the light resets every time i restart the engine … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
It periodically goes haywire. 2002 S500. I've had it worked
I've had it worked on. Some things have been handled. But there's something deeper going on … read more
Julio Quispe
Julio Quispe
182 satisfied customers
2000 MB s500 my smart key will not turn the ignition. let me
2000 MB s500 my smart key will not turn the ignition. let me tell you what happened I stopped the car I was sitting in the car engine running transmission in drive position. I turned the key to the of… read more
Lou Palomino
Lou Palomino
associates in automotive technology
10,305 satisfied customers
Can the pre-safe unavailable make my car get in limp mode?
Second opinion] Can the pre-safe unavailable make my car get in limp mode? Since the pre-safe unavailable appeared, after a few minutes of driving, the checking engine was turned on and the car was pu… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
I think I killed my car. 2005 MB C240 Wagon. I was trying to
Hi, I think I killed my car. 2005 MB C240 Wagon. I was trying to do a "soft reset" of the COMAND and audio system, as per instructions on a MB forum; my radio appears to function properly, but there i… read more
Lou Palomino
Lou Palomino
associates in automotive technology
10,305 satisfied customers
My pre safe light just came on. I only drive the car about
my pre safe light just came on. I only drive the car about 5000 miles a year it has been in the garage for at least 4 months. I start it regularly but all of a sudden the message came on the dash. … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
Mercedes cls55 2011 Left blind spot sensor not working Radar
Mercedes cls55 2011 Left blind spot sensor not working Radar not working and cruise control not working Pre-safe function and different messages appear o… read more
Kevin
Kevin
workshop foreman /master tech/mot tester
5,929 satisfied customers
500S: My MB 2003, 500S ..cannot get it out of park. code says
My MB 2003, 500S ..cannot get it out of park. code says pre setae inactive ...see owners manual… read more
Lou Palomino
Lou Palomino
associates in automotive technology
10,305 satisfied customers
CLA 250: I have a CLA 250 with under 6500 miles. Warning light
I have a CLA 250 with under 6500 miles. Warning light - Pre Safe Condition with picture of car tires skidding came on the dash. Took it back to dealer, they could find nothing wrong. Couple of days la… read more
Bryan
Bryan
Service Manager
410 satisfied customers
I just purchased the 2014 GL 550 with the distronic plus features.
I just purchased the 2014 GL 550 with the distronic plus features. About a five days into ownership I started getting the message "active blind spot inoperative" after parking and turning off the vehi… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,769 satisfied customers
S500: Yesterday while starting off my 2006 M.B. S500 4-matic
Yesterday while starting off my 2006 M.B. S500 4-matic from a red light, I seemed to have to give more gas to see any forward movement. And moments later, I noticed on the dashboard a message that (by… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
2006 R350: front suspension..(after being parked..wheels will not turn
We have a 2006 R350 with 75000 miles. We purchased it with 34000 miles from MB. Recently the front suspension will drop so severely (after being parked) that it appears the wheels will not turn becaus… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
s500: 2003 mb s320cdi, V6 with 5-speed auto..error codes / readings
Dear MBFixer Have a 2003 MB S320CDi, V6 with 5-speed auto. Read with interest your advice re S500 aircon and tried it but the systems differ somewhat - I could not get the error codes / readings excep… read more
mbfixer
mbfixer
Shop manager
High School or GED
453 satisfied customers
2000 S500: 000 mile..I drove from Mass to Florida and back
Hi my name is XXXXX XXXXX I am looking for some trouble shooting help. I own a 2000 S500 with 139,000 mile plus. Recently, I drove from Mass to Florida and back. Here is the problem that I'm trying to… read more
mbfixer
mbfixer
Shop manager
High School or GED
453 satisfied customers
Mercedes S500: start my..loses..After I jump the car..restarted
When I start my Mercedes S500, the ignition begins to start and then loses all power to the vechicle. After I jump the car and get it restarted it says "Pre-safe unavailable"? Any Ideas what is causin… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
S500: it -04 I have had the same problem..fan goes..cold outside
Have a S500 -00. Ever since I bought it -04 I have had the same problem. About 3 min after starting the engine the main fan goes to full speed even if it is freezing cold outside. The only way to stop… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
2005 S500: roar..I stop the car and restart it, it works fine
My 2005 S500 has now twice seemed to get stuck at 4000RPM. It sounds like a roar to the engine. When I stop the car and restart it, it works fine. The message board says pre safe unavailable when it r… read more
Victor MB
Victor MB
Vocational, Technical or Trade Scho
204 satisfied customers
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Meet the Experts:

MB Paul

MB Paul

Mercedes Technician

3,567 satisfied customers

Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

Marty

Marty

Mercedes Technician

57,141 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,132 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

771 satisfied customers

Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

mercedes diagnostic technician

553 satisfied customers

Qualified mercedes diagnostic technician & service team manager , ATA registered Master tech

Hipo64

Hipo64

Mercedes Technician

444 satisfied customers

Work and diagnose electronics on daily basis.

Tim Mohr

Tim Mohr

ASE MASTER TECH

283 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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