2011 E550 - ironing out issues
12-06-2021, 02:03 PM
#1
Member
Thread Starter
2011 E550 - ironing out issues
ESP Inoperative See Owners Manual error - This error came up when passing a car within the first 200 miles of leaving the dealership. The accelerator pedal was replaced and the selling dealer paid for the repair. The error never happens when driving, just on start up. Shut the car off, restart, and the error clears. Sometimes I might have to restart it twice. The dealer is going to install a new pedal on Saturday thinking the replacement is bad.
Keyless Go - Brake on the pedal, press the starter button and the car goes to position 1 or 2 but nothing happens. Sometimes I have to press it 2 or 3 times to start the car. I pulled the button out and used the key for a week. One morning, I got in the car, put the key in the ignition, turned it, and the same thing, nothing (lights do come on). Brake switch replaced but that didn't help it.
Stalling - This happened one time about a month ago. I started the car and sat there about 20 seconds, put the car in reverse, and it stalled after going two feet. Put the car in Park and restarted and it didn't happen again until this morning when leaving for work.
I replaced the battery with a Die Hard Platinum H7 AGM 850CCA. The old battery was 3 years old and the car has only been driven 6k miles.
Thoughts? MAF/TB cleaning, CPS, Starter/solenoid?
Keyless Go - Brake on the pedal, press the starter button and the car goes to position 1 or 2 but nothing happens. Sometimes I have to press it 2 or 3 times to start the car. I pulled the button out and used the key for a week. One morning, I got in the car, put the key in the ignition, turned it, and the same thing, nothing (lights do come on). Brake switch replaced but that didn't help it.
Stalling - This happened one time about a month ago. I started the car and sat there about 20 seconds, put the car in reverse, and it stalled after going two feet. Put the car in Park and restarted and it didn't happen again until this morning when leaving for work.
I replaced the battery with a Die Hard Platinum H7 AGM 850CCA. The old battery was 3 years old and the car has only been driven 6k miles.
Thoughts? MAF/TB cleaning, CPS, Starter/solenoid?
Last edited by BigMike62; 12-06-2021 at 02:19 PM.
12-10-2021, 02:50 PM
#4
Member
At least 2 of those problems should throw a code to the computer. Have it read by a shop. Too many possibilities for us to name one.
12-11-2021, 07:00 AM
#5
Junior Member
12-13-2021, 08:58 AM
#7
Member
Thread Starter
Car has 58k miles and lived in Florida where the previous owner had a vacation home.
My cousin (Mercedes Tech) has the car this week while I'm traveling. He will look it over and figure out what is going on. I'll update the findings.
My cousin (Mercedes Tech) has the car this week while I'm traveling. He will look it over and figure out what is going on. I'll update the findings.
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12-14-2021, 08:56 PM
#8
Member
Thread Starter
Found the issue. Fuse/relay box in front of the SAM is caked with green corrosion. Cleaned off some relays and the Keyless Go and ESC issues went away. Need to either clean the entire box up or replace it.
12-16-2021, 05:13 PM
#9
Member
Thread Starter
My cousin removed the fuse/relay box, disassembled it, clean it up and reinstalled it. So far, two days of it starting on the first press of the button with no ESC errors. Calling this one fixed.
12-18-2021, 01:59 PM
#10
Member
Thread Starter
Stalling issue - since this happened twice in 3 months, I'll wait to see if it happens again. I had my cousin install a Crank Position Sensor while he had the car. If it stalls again, the next step is to clean the throttle body.
I got back from a work trip last night and took the car on some errands today. This car is so sweet to drive and it's great that it starts without any drama every time now.
I got back from a work trip last night and took the car on some errands today. This car is so sweet to drive and it's great that it starts without any drama every time now.
