mirage1

After over two years of trouble free driving (118940km/73419mi).
got my first warning light, it is an arrow pointing up with a car and the word
"malfunction".
Any idea what it may be...
Its a 2007 S550 and well out of warr.
it will be a few days before it can go in and I need to be driving it.
the ride seems fine maybe a bit stiffer.

any thoughts appreciated

cool_lagoon

it is a common issue with the S550 2007, just restart after a few minutes and it should be reset/gone. if you have time then go and check the pumps / relay/ fuse for the pump and sensor.

cool_lagoon

or better yet send it to a mechanic with a star diagnostic computer and read out the fault code. mine use to come out so often but after having the relay check and cleaned the problem do occur on rare occasion.

mirage1

where is the relay?
It should add the car is level and when I started it later last night, i pushed the 'rise' button.
the car went up with no 'messages'.
I dorve off after about 5 mins or so th code came on.

cool_lagoon

check your fuse chart located inside your tool bag inside the trunk

mirage1

managed to get the car in today at the dealership.
New airmatic pump installed qutoe from work order:

"Insufficiant pump pressure only 8 bar- 16 bar min. required,perform quick test DTC's.
Airmatic compressor required."

thanks for your in put.

cool_lagoon

how much did the pump coast you and did you receive your old pump from the mechanic? keep it, where are you located? I might be able to fix it for you and reserve it as spare.

Diesel Benz

That sounds interesting, would you mind explaining which parts from the pump fail and how difficult is it to fix it?

cool_lagoon

difficult to fix if the tech is not a mac gyver

Diesel Benz

You don't need to answer me. There are a lot of MacGyvers at the forum. If you don't want to share the instructions, that is completely OK, sharing is not mandatory at the forum.

cool_lagoon

get the specification and when you do then go figure it out if you think it's easy to fix if you are not equip with experience, if you know how to dismantle the core and the pump which consist of an electronic board and a diaphragm plus the armature and the magnetic guard and solenoids plus several rotating and moving parts, and seals,, or better yet send it to your electronic/electrical mechanics and let them take care of the headache, unless your intention is you do not wish to spend or you wish to make some savings on the expenditure then be my guess and give it a shot, hopefully you don;t get burned and spend more than just sending it to an individual who have experience with this field.

cool_lagoon

Were you able to get back your old pump?

Diesel Benz

mirage1

Sorry I didnt get the old pump.
I paid $430 at the dealer + labour
i'm in toronto canada