The last time our ML270 CDi was serviced we had a service contract on the car and so it was all done money no object - suspension dampers, ball joints, and everything due on the service schedule. It will be due again shortly and so I'll be getting prices soon.
Definitely shop around - even between MB dealers. Give the mileage to your dealer and ask that they tell you which additional items will be required, and ask for a breakdown for the service itself, and then each additional item separately.
Additional items are the mileage related stuff like spark plugs (not on a diesel though
), brake fluid change, transmission fluid change, etc.
I did it for my C32 in the Summer of 2009 and found this variety - all are MB main dealers:
Most expensive (an MBUK owned MB main dealer): £980
B-Service: £495
Fuel & air filters: £310
Brake fluid: £175
My usual (franchised MB main dealer): £459
B-Service: £280
Fuel & air filters: £127
Brake fluid: £52
Other (franchised MB main dealer from a different group): £445
B-Service: £275
Fuel & air filters: £125
Brake fluid: £45
I ended up using my usual franchised MB main dealer. Actual final price was £379 for B-Service, all filters including fuel filters, brake fluid change, ATF level check, STAR scan, valet (a good job too), and a thorough shakedown.
I supplied the oil which cost £43 for 8 litres, which is about half the cost of buying the oil from the main dealer. If I'd not needed the additional items - only the B-Service - and supplied my own oil then it would have cost £199, plus the £43 for oil from CostCo.
Remember that includes the magic and mandatory AMG mark-up: call and ask for a price on a C-Class and they give you one price, but once they twig that it's an AMG the price goes up!! Never understood that as the service is surely the same!!
They spotted that the pilot bushing looks like there's some weaping and so it went back the following week to be replaced under parts warranty.
No nasty surprises, and service book stamped. Very please with the service and price.
The two dealers closest to home - one MB Retail one MB Franchise - both refused to budge on price, weren't helpful when I called and quoted more than double than I actually paid.
Should make a mental note to call dealers tomorrow...