Engine And Engine Cooling Problems of Mercedes Benz S500

Mercedes Benz S500 owners have reported 10 problems related to engine and engine cooling (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercedes Benz S500 based on all problems reported for the S500.

1 Engine And Engine Cooling problem of the 2006 Mercedes Benz S500

Failure Date: 07/08/2025

Vehicle stall - engine cut off - on highway at speed (50-55miles/hr) posing driver and passenger safety. No obd error code or ecu error similar incidents reported by mercedes owners S500 model across USA as posted on mercedes forums.

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2 Engine And Engine Cooling problem of the 2006 Mercedes Benz S500

Failure Date: 09/11/2024

Safety issues 1. Engine shuts off while driving. No error codes. Starts again with key and drives fine. 2. Steering locks while driving - maneuvering a turn. Stopped the car. Turn ignition off. Turn ignition on everything works fine.

3 Engine And Engine Cooling problem of the 2022 Mercedes Benz S500

Failure Date: 12/08/2022

New S500 benz, 1700 miles on the car, 2 months on the road only. Issues started right off the batt after purchasing this new S500. Car refuses to start daily, check engine light, 12v battery light, 48v battery needs service light, come on even tho the cars voltage is not low and is driven daily on highway. Took to the dealer, dealer says car needed to be driven more even tho its driven daily. Dealer stated voltage of the 12v battery was low, they charged the battery manually and stated that the cars ecu recorded a voltage problem. They cleared the ecu and released the car after 1 week in the shop under warranty. Next day the car was driven after it came out the shop, the car again gave a check engine light, 12v battery light, 48v battery needs service warning message. After driving the car for a bit the car completely went haywire. All interior electrical went out. Center counsel not working, dash console showed over 30 warning lights and messages ranging from electrical to low brake fluids including check engine light, srs inoperable message, and many many more messages telling me to stop driving the car. Car is scheduled to be taken back to the dealer for another checkup. This time car must be towed in since it refuses to even turn on or to unlock the doors or windows. This car seems to be having major electrical issues as well as major computer problems. This car is unsafe to drive since it can stall out while driving. At this point I will be contacting mercades benz corporate to speak to someone about these major issues. As it stands the dealership is unaware of how or why the car is acting this way and do not know how to fix it. A true lemon indeed. Please view pics attached.

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4 Engine And Engine Cooling problem of the 1999 Mercedes Benz S500

Failure Date: 09/25/2017

Engine smoking braking system ineffective steering is a little ruff vehicle jerks.

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5 Engine And Engine Cooling problem of the 1999 Mercedes Benz S500

Failure Date: 01/01/2017

1999 mercedes-benz 2500. Consumer writes in regards to various safety defects on vehicle. The consumer stated the vehicle has several safety defects concerning electric stability control, brakes, body, steering, suspension, wheels, engine, power train, and the electrical system. Updated 10/23/2017.

6 Engine And Engine Cooling problem of the 2000 Mercedes Benz S500

Failure Date: 07/07/2016

My car was in the driveway, and now the front end is dam near on the ground.

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7 Engine And Engine Cooling problem of the 1995 Mercedes Benz S500

Failure Date: 07/15/2015

Changing the maf sensor I encountered burnt engine harness through out the engine compartment . Vehicle now does not run and harness will cost $700 + labor.

8 Engine And Engine Cooling problem of the 2004 Mercedes Benz S500

Failure Date: 05/20/2015

Systematic water intrusion by air cowl disabled electronics while driving and also long term caused a health issue respiratory neurological - two years homebound after was finally diagnosed w/unknown cancer.

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9 Engine And Engine Cooling problem of the 2006 Mercedes Benz S500

Failure Date: 11/05/2014

This problem happen three times in about 6 minutes in one night. While driving at 70 miles per hour. The engine cut off, almost before I knew what happen the engine started back running. In less than a minute it happen again. The engine cut out then started before I could do anything. The third time it cut out complete and stayed off. I was able to move the side of the road and stop and restart the car. It was very scary, all the lights were off and I was on a busy highway at night. It's happen before about a year ago. I mention it to the dealer, they acted as if it was nothing they were aware of.

10 Engine And Engine Cooling problem of the 2000 Mercedes Benz S500

Failure Date: 01/15/2014

Please re-open investigation #pe05-062 as my instrument cluster has completely failed at 45k miles on the car and you and mbusa decided to discriminate which cars were included in the major recall - why not all vehicles. My car is in pristine shape, always been garaged, not to mention a very expensive vehicle. I have many photos if you need me to email them to you. This should not happen and the dealer insists on $1500 to repair. This is highway robbery not to mention life threatening and dangerous. Please help. Thank you.


Other Common Engine And Engine Cooling related problems of Mercedes Benz S500


S500 Service Bulletins
S500 Defect Investigations