07 S600 - Interior Smells Burnt - Won’t Start- HELP!
Thread Starter
Member
Joined: Jul 2021
Posts: 119
Likes: 33
S600
07 S600 - Interior Smells Burnt - Won’t Start- HELP!
Hey All,
This morning while removing igloo cooler I spilled at least a half gallon of water on the driver’s side seat.
Dried everything as best I could with some towels.
Car sat in garage for a few hours and now this afternoon I went into the garage and immediately smelled like something was burnt.
When I opened the driver side door the smell seemed to be coming from in the car and the dash wasn’t lit up.
I opened the trunk to check the AGM battery and the auto open/close on trunk wasn’t working.
After manually opening the trunk I checked the battery and sniffed around it and the was not smell of burning.
I then disconnected the battery and reconnected it after a minute and the auto open/close started working and now the dash was lightning up.
I then proceeded to start the car and…Nothing!
I then took out the push/start button and used the key…Nothing!
I then used the spare key…Nothing!
When key is in on position The dash is reading:
PARK BRAKE (see operation manual)
MALFUNCTION ON FRONT RIGHT SIDE
ESP INOPERATIVE
TIRE PRESSURE INOPERATIVE
The vehicle has been driving absolutely flawless with zero issues before this.
I also checked all fuses (both sides of dash) associated with the front seat and all are intact/no break in fuse/short.
With the burning smell clearly coming from the inside of the car (zero burning smell under hood/starter battery area or trunk) I think something under the driver’s side seat was damaged.
Any insight would be amazing!
Thanks in advance!
This morning while removing igloo cooler I spilled at least a half gallon of water on the driver’s side seat.
Dried everything as best I could with some towels.
Car sat in garage for a few hours and now this afternoon I went into the garage and immediately smelled like something was burnt.
When I opened the driver side door the smell seemed to be coming from in the car and the dash wasn’t lit up.
I opened the trunk to check the AGM battery and the auto open/close on trunk wasn’t working.
After manually opening the trunk I checked the battery and sniffed around it and the was not smell of burning.
I then disconnected the battery and reconnected it after a minute and the auto open/close started working and now the dash was lightning up.
I then proceeded to start the car and…Nothing!
I then took out the push/start button and used the key…Nothing!
I then used the spare key…Nothing!
When key is in on position The dash is reading:
PARK BRAKE (see operation manual)
MALFUNCTION ON FRONT RIGHT SIDE
ESP INOPERATIVE
TIRE PRESSURE INOPERATIVE
The vehicle has been driving absolutely flawless with zero issues before this.
I also checked all fuses (both sides of dash) associated with the front seat and all are intact/no break in fuse/short.
With the burning smell clearly coming from the inside of the car (zero burning smell under hood/starter battery area or trunk) I think something under the driver’s side seat was damaged.
Any insight would be amazing!
Thanks in advance!
Super Member
Joined: Dec 2018
Posts: 857
Likes: 501
From: Washington, DC
2007 S600, 2007 Chrysler 300 SRT8, 2000 C5 Corvette, 2017 Mustang GT, 2023 300C, and a 2019 Lincoln
It would help if you could give us the codes. It sounds to me like you drowned the passenger side SAM. These are the modules under the front floor board area. You can pull the carpet and gain access. If you see water or corrosion, which it sounds like to me you will given the igloo cold water torture. This most often happens from a bad window seal or bad sunroof seal or even a bad windshield leak. Take look and report back here. If you can scan the car, also give us the codes.
Water in the interior of the car is never good.
Water in the interior of the car is never good.
MBWorld Fanatic!
Joined: Aug 2014
Posts: 5,322
Likes: 1,678
S500
some mercs put a pre-fuse box near the pedals - never looked on a 221 - the floor carpet likely pulls up towards the seat (certainly does passenger side - in a manner one wouldn't expect, where your toes end just pull back nothing holds it there)
under the seat is the seat module, for airbags, seat adjustment and such rubbish and some pyrotechnic malarkey for the seat belt
the back of the seat gets another module for the fans in the seat squab and the stupid lumbar disaster
canbus is def on the passenger side but low volts, plus suspension module and tyre pressure module - these hate puddles and corrosion and will cause odd behavior if it plays up
drivers side above the pedals is the CGW which has a finger in the pie of most stuff including canbus
the smell of burning ought to have you disconnecting the batteries - older cars one in the boot and another under the bonnet.... (rear battery can be disconnected by taking off the earth strap side of inner boot beside spare wheel a red 13mm headed bolt with flat black ribbon cable 1/2" wide - the front just take off the earth).... then dry everything out and look for damage
the errors u have might be normal ABS sensor failure.... see post inside last week about the fun these give
under the seat is the seat module, for airbags, seat adjustment and such rubbish and some pyrotechnic malarkey for the seat belt
the back of the seat gets another module for the fans in the seat squab and the stupid lumbar disaster
canbus is def on the passenger side but low volts, plus suspension module and tyre pressure module - these hate puddles and corrosion and will cause odd behavior if it plays up
drivers side above the pedals is the CGW which has a finger in the pie of most stuff including canbus
the smell of burning ought to have you disconnecting the batteries - older cars one in the boot and another under the bonnet.... (rear battery can be disconnected by taking off the earth strap side of inner boot beside spare wheel a red 13mm headed bolt with flat black ribbon cable 1/2" wide - the front just take off the earth).... then dry everything out and look for damage
the errors u have might be normal ABS sensor failure.... see post inside last week about the fun these give
Last edited by BOTUS; Aug 14, 2024 at 06:45 PM.
Thread Starter
Member
Joined: Jul 2021
Posts: 119
Likes: 33
S600
It would help if you could give us the codes. It sounds to me like you drowned the passenger side SAM. These are the modules under the front floor board area. You can pull the carpet and gain access. If you see water or corrosion, which it sounds like to me you will given the igloo cold water torture. This most often happens from a bad window seal or bad sunroof seal or even a bad windshield leak. Take look and report back here. If you can scan the car, also give us the codes.
Water in the interior of the car is never good.
Water in the interior of the car is never good.
The water definitely didn’t get anywhere near the passenger side. The driver’s side seat was drenched when the moving the cooler across the center console (the only reason didn’t remove cooler thru passenger side door upon arrival is because garage is a bit narrow and the door wouldn’t open enough to remove cooler on passenger side.
Absolutely bone dry on the passenger side.
The burning scent is 100% coming from under the driver’s seat.
Just looked at the #7 fuse (bigger 40A) controls ignition lock, ABS etc and not blown either.
Does seem to be a starter fuse on the diagram but wanted to check that too.
The soft close and dash are all not working currently but the dash still lights up if key is turned to on position.
The outside temp on cluster is reading 185 degrees and the analog clock is at 12:00 (not sure if these details matter).
Next step I think is to remove the front seat if no other suggestions are provided here on the forum.
Thread Starter
Member
Joined: Jul 2021
Posts: 119
Likes: 33
S600
some mercs put a pre-fuse box near the pedals - never looked on a 221 - the floor carpet likely pulls up towards the seat (certainly does passenger side - in a manner one wouldn't expect, where your toes end just pull back nothing holds it there)
under the seat is the seat module, for airbags, seat adjustment and such rubbish and some pyrotechnic malarkey for the seat belt
the back of the seat gets another module for the fans in the seat squab and the stupid lumbar disaster
canbus is def on the passenger side but low volts, plus suspension module and tyre pressure module - these hate puddles and corrosion and will cause odd behavior if it plays up
drivers side above the pedals is the CGW which has a finger in the pie of most stuff including canbus
the smell of burning ought to have you disconnecting the batteries - older cars one in the boot and another under the bonnet.... (rear battery can be disconnected by taking off the earth strap side of inner boot beside spare wheel a red 13mm headed bolt with flat black ribbon cable 1/2" wide - the front just take off the earth).... then dry everything out and look for damage
the errors u have might be normal ABS sensor failure.... see post inside last week about the fun these give
under the seat is the seat module, for airbags, seat adjustment and such rubbish and some pyrotechnic malarkey for the seat belt
the back of the seat gets another module for the fans in the seat squab and the stupid lumbar disaster
canbus is def on the passenger side but low volts, plus suspension module and tyre pressure module - these hate puddles and corrosion and will cause odd behavior if it plays up
drivers side above the pedals is the CGW which has a finger in the pie of most stuff including canbus
the smell of burning ought to have you disconnecting the batteries - older cars one in the boot and another under the bonnet.... (rear battery can be disconnected by taking off the earth strap side of inner boot beside spare wheel a red 13mm headed bolt with flat black ribbon cable 1/2" wide - the front just take off the earth).... then dry everything out and look for damage
the errors u have might be normal ABS sensor failure.... see post inside last week about the fun these give
Any fuses or relays related to the general location of the driver’s side seat or directly underneath I should target for visual inspection?
—The smell of burning is so clearly from under driver’s side seat it is unbelievable—
Even the back seat area is distinctly less aromatic in terms of the burning scent when compared to the strong scent burning scent under the driver’s side seat.
Thread Starter
Member
Joined: Jul 2021
Posts: 119
Likes: 33
S600
Hey All,
This morning while removing igloo cooler I spilled at least a half gallon of water on the driver’s side seat.
Dried everything as best I could with some towels.
Car sat in garage for a few hours and now this afternoon I went into the garage and immediately smelled like something was burnt.
When I opened the driver side door the smell seemed to be coming from in the car and the dash wasn’t lit up.
I opened the trunk to check the AGM battery and the auto open/close on trunk wasn’t working.
After manually opening the trunk I checked the battery and sniffed around it and the was not smell of burning.
I then disconnected the battery and reconnected it after a minute and the auto open/close started working and now the dash was lightning up.
I then proceeded to start the car and…Nothing!
I then took out the push/start button and used the key…Nothing!
I then used the spare key…Nothing!
When key is in on position The dash is reading:
PARK BRAKE (see operation manual)
MALFUNCTION ON FRONT RIGHT SIDE
ESP INOPERATIVE
TIRE PRESSURE INOPERATIVE
The vehicle has been driving absolutely flawless with zero issues before this.
I also checked all fuses (both sides of dash) associated with the front seat and all are intact/no break in fuse/short.
With the burning smell clearly coming from the inside of the car (zero burning smell under hood/starter battery area or trunk) I think something under the driver’s side seat was damaged.
Any insight would be amazing!
Thanks in advance!
This morning while removing igloo cooler I spilled at least a half gallon of water on the driver’s side seat.
Dried everything as best I could with some towels.
Car sat in garage for a few hours and now this afternoon I went into the garage and immediately smelled like something was burnt.
When I opened the driver side door the smell seemed to be coming from in the car and the dash wasn’t lit up.
I opened the trunk to check the AGM battery and the auto open/close on trunk wasn’t working.
After manually opening the trunk I checked the battery and sniffed around it and the was not smell of burning.
I then disconnected the battery and reconnected it after a minute and the auto open/close started working and now the dash was lightning up.
I then proceeded to start the car and…Nothing!
I then took out the push/start button and used the key…Nothing!
I then used the spare key…Nothing!
When key is in on position The dash is reading:
PARK BRAKE (see operation manual)
MALFUNCTION ON FRONT RIGHT SIDE
ESP INOPERATIVE
TIRE PRESSURE INOPERATIVE
The vehicle has been driving absolutely flawless with zero issues before this.
I also checked all fuses (both sides of dash) associated with the front seat and all are intact/no break in fuse/short.
With the burning smell clearly coming from the inside of the car (zero burning smell under hood/starter battery area or trunk) I think something under the driver’s side seat was damaged.
Any insight would be amazing!
Thanks in advance!
Underneath driver’s side (tape clearly bubbled up from water)
MBWorld Fanatic!
Joined: Aug 2014
Posts: 5,322
Likes: 1,678
S500
all those in the pictures of wires in twisted pairs are to reduces noise on CANBUS circuits
disconnect the batteries you are sending messages round and causing damage !!!!
modern cars work on stupid signals turning stuff on and off using 3 to 5 volt joke network messaging and extra fun has all these baby dumb computer modules throwing there teddies and doing the wrong things
dry it out and hope when you reconnect fully charged batteries the car wakes up feeling less stupid
but as u left it powered more harm and broken batteries where stuff never turned off
disconnect the batteries you are sending messages round and causing damage !!!!
modern cars work on stupid signals turning stuff on and off using 3 to 5 volt joke network messaging and extra fun has all these baby dumb computer modules throwing there teddies and doing the wrong things
dry it out and hope when you reconnect fully charged batteries the car wakes up feeling less stupid
but as u left it powered more harm and broken batteries where stuff never turned off
Trending Topics
MBWorld Fanatic!
Joined: Aug 2014
Posts: 5,322
Likes: 1,678
S500
if you upset airbag or seat belt systems it may well not start as it thinks its been in a mega car crash (was it pyrotechnic fun that's causing the smell?)
I suspect your are in for a whole lot of hell and costs
best short term thing you can do to help is to get the batteries off and let it dry out - then disconnect and spay ACF50 in every single electrical connections you can find especially everything on the canbus junctions
heated seat squab cushion is $1200 and unobtainable.... and that's the simple cheap bit.... this event could easily write off the car from an economic back to how it was repair
I suspect your are in for a whole lot of hell and costs
best short term thing you can do to help is to get the batteries off and let it dry out - then disconnect and spay ACF50 in every single electrical connections you can find especially everything on the canbus junctions
heated seat squab cushion is $1200 and unobtainable.... and that's the simple cheap bit.... this event could easily write off the car from an economic back to how it was repair
MB World Stories
The Best of Mercedes & AMG
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)
Verdad Gallardo
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
