Links readily available. But it's not the first time that Betty has been turned over by her VX dealer :-X
Doing the job correctly, means either the correct shocks or new shocks, springs and a couple of hours to remove the self levelling gubbins. Pulling the fuse is to totally half arse it.
Genuine non SL shocks are circa £100 each. Springs around £60. £237 at a main dealer isn't going to buy anything worth getting. 
Really?? !!

The only time I have had a problem with them because of a new genuine GM A/C compressor failing within two years of being fitted, the General Manager blah blah blah
I presume this is the same place that tried to charge £320 to change a ball joint at the last MoT 
I have two questions:
As your car left the factory with self levelling suspension:
1. When was it removed?
2. Was it removed correctly or did they simply pull the fuse and fit standard shocks?
Any VX dealer would know from the VIN that it should have self levelling rear suspension even if they don't know or understand why or how it works. Actually any garage would be able to find that information easily enough 
That they apparently are prepared to throw on whatever is currently fitted raises more than an eyebrow.
I get that you may no longer be able to get under the car to do things, especially suspension work, (it's a bear to do even 15 years ago), but you are being led up the garden path by people that are only interested in depriving you of your money whilst smiling and making you think they've done you a favour. They haven't and they're not..
I'm not going to waste my time digging up links because you'll only ignore them and the advice given.
No DG, I have not had any issue with ball joints, or any other item, following an MOT or anything else. The only issue was the A/C co0mpressor which the dealer sorted quickly.

As for your last comment, I do note your comments and advice but I cannot always act on them due to not being abloe to work on cars like you do, and once I could many years ago!

However, I have also noted your questions, and those of TB, Migv6, cam in the head, etc, about S/L shocks on my car. I was convinced that I did not have that system as the rear of the cars height does not change between the engine being on, or off, and there is no sound of a system working as there was with previous Vauxhalls I have possessed.
BUT, I am an honest, straightforward women who does not bullshit like many men so (sorry men!!

) and I will now state that I believe I WAS WRONG IN MY ASSESSMENT that I did not have a S/L system!!!

Because you all cast much doubt in my mind over this, I went outside, down to my garage, and jacked up the offside rear of my car, taking the wheel off. What I found was, I now believe, signs that there is a S/L system, but I don't think it is working due to what I have stated previously. I have taken photos of the shock and diff which show signs of a S/L system, and I am trying to remember how now we can transfer photos from a current host site onto the OOF so you can judge yourselves and advise please.
