johny5_uk
Active Member
Firstly hello all 
the last time I used a forum for a car was many many years ago when I was over the dark side driving B*W's.
Since seeing sense I have driven an SLK and then a CLK for many years and love Mercs.
Now onto my newish baby.....After a 5 mile trip, turned engine off for a few mins then went to turn the key to start it up again.
Horrendous bang followed by the sound of thunder rumbles and what felt and sounded like my exhaust dropping off! (all this was on 5th november, maybe the car was having a party on its own!?)
I was still stationary and I could tell that power had ceased right down to about 25% and the engine light came on.
Now there were very loud rattling noises and a whirring sound. I had only had the car 5 weeks but it was about 3 months old (ex dem purchased on a whim!).
At this point I attempted to drive it around the block to make sure this £34,000 car hadnt just exploded like a £350 second hand diesel with 120,000 miles on the clock. The power had gone and it was limping and I made a decision to get it recovered as I rolled back to where I started again.
Called Mercedes and the recovery chap arrived, he instantly thought it was turbo, then changed his mind to a valve or cylinder.
To cut a long story... It went in to a dealer and Mercedes told them to perform updates on the car. Their mechanics had said it was probably a faulty injector and have had about 4 other in for this!
New injector fitted after all software update/changes and they assure me all is ok.
Apparently there is a "faulty batch" of these, not injectors but software on the cars that makes the injectors blow!?
My question to you guys is, would this have caused any damage to the engine?
I was gutted as I have only had this 5 weeks and I was adamant that I was going to try and refuse this car and give them it back. Yes its a great car but I wasnt one who couldnt wait for a factory order and my CLK was just fine that I had before, this was just an impulse purchase (on credit I might add ).
I have been reading on the internet about diesel injectors failing and damaging the bore so loads is going through my head. Why did it bang when it went? I presume it squirted a shed load of diesel in the bore and that made the noise?
I asked them to do a compression test and they said it passed ok although I will be asking for printouts (not that they will make sense to me).
Anyway, I got the car back yesterday and it seems ok. I say that as it does seem ok to drive but you can imagine any slight noise or rattle that is coming from the engine is concerning me. I lifted the bonnet and the top of the engine looks to have a bad vibration that I am fairly sure wasnt there before. That bad in that the plastic cover keeps popping off on one side
.
Sorry for the long post guys, I am hoping you can give me some constructive help on what to do now?
One last thing, Merc UK as a good will gesture will do the cars first service for free, but I already have that with mine as I haggled for it when I purchased the car. They are looking into the possibility of giving up to £250 in boutique vouchers.
the last time I used a forum for a car was many many years ago when I was over the dark side driving B*W's.Since seeing sense I have driven an SLK and then a CLK for many years and love Mercs.
Now onto my newish baby.....After a 5 mile trip, turned engine off for a few mins then went to turn the key to start it up again.
Horrendous bang followed by the sound of thunder rumbles and what felt and sounded like my exhaust dropping off! (all this was on 5th november, maybe the car was having a party on its own!?)
I was still stationary and I could tell that power had ceased right down to about 25% and the engine light came on.
Now there were very loud rattling noises and a whirring sound. I had only had the car 5 weeks but it was about 3 months old (ex dem purchased on a whim!).
At this point I attempted to drive it around the block to make sure this £34,000 car hadnt just exploded like a £350 second hand diesel with 120,000 miles on the clock. The power had gone and it was limping and I made a decision to get it recovered as I rolled back to where I started again.
Called Mercedes and the recovery chap arrived, he instantly thought it was turbo, then changed his mind to a valve or cylinder.
To cut a long story... It went in to a dealer and Mercedes told them to perform updates on the car. Their mechanics had said it was probably a faulty injector and have had about 4 other in for this!
New injector fitted after all software update/changes and they assure me all is ok.
Apparently there is a "faulty batch" of these, not injectors but software on the cars that makes the injectors blow!?
My question to you guys is, would this have caused any damage to the engine?
I was gutted as I have only had this 5 weeks and I was adamant that I was going to try and refuse this car and give them it back. Yes its a great car but I wasnt one who couldnt wait for a factory order and my CLK was just fine that I had before, this was just an impulse purchase (on credit I might add
).I have been reading on the internet about diesel injectors failing and damaging the bore so loads is going through my head. Why did it bang when it went? I presume it squirted a shed load of diesel in the bore and that made the noise?
I asked them to do a compression test and they said it passed ok although I will be asking for printouts (not that they will make sense to me).
Anyway, I got the car back yesterday and it seems ok. I say that as it does seem ok to drive but you can imagine any slight noise or rattle that is coming from the engine is concerning me. I lifted the bonnet and the top of the engine looks to have a bad vibration that I am fairly sure wasnt there before. That bad in that the plastic cover keeps popping off on one side
.Sorry for the long post guys, I am hoping you can give me some constructive help on what to do now?
One last thing, Merc UK as a good will gesture will do the cars first service for free, but I already have that with mine as I haggled for it when I purchased the car. They are looking into the possibility of giving up to £250 in boutique vouchers.
