SL55/63/65/R230 AMG: Maintenance - A little more than routine
Thread Starter
Senior Member
Joined: Nov 2006
Posts: 376
Likes: 12
From: Atlanta, GA
SL550 Designo Crystal & Red Interior - SL55 Silver & Black Interior - E550
Maintenance - A little more than routine
This week I decided to take care of a few maintenance items that have been on my list for a while. I feel really good now and I'm ready for the next 100,000 miles... Here's what I had done;
Rear Main Seal
Transmission Service
Replaced both left and right valve cover gaskets
Had the Engine/Transmission flashed with updated programming
New Tires
New Wheels
Plugs
Wasn't cheap but was a lot less than I thought so all in all I'm very happy. My mechanic said that the motor is in great shape and that I shouldn't need any major maintenance for a good while.
It's probably all in the head but I swear that it drives a damn sight better with the software flash.
Next on the list will be a flush and fill of the Supercharger.
Rear Main Seal
Transmission Service
Replaced both left and right valve cover gaskets
Had the Engine/Transmission flashed with updated programming
New Tires
New Wheels
Plugs
Wasn't cheap but was a lot less than I thought so all in all I'm very happy. My mechanic said that the motor is in great shape and that I shouldn't need any major maintenance for a good while.
It's probably all in the head but I swear that it drives a damn sight better with the software flash.
Next on the list will be a flush and fill of the Supercharger.
Thread Starter
Senior Member
Joined: Nov 2006
Posts: 376
Likes: 12
From: Atlanta, GA
SL550 Designo Crystal & Red Interior - SL55 Silver & Black Interior - E550
Anyone know of what else I should take care of while I'm ion the mood? I've had ABC flush and fill also. What about rear diff? I'll watch out for the smelly stuff fxrs!
Senior Member
Joined: Jul 2013
Posts: 306
Likes: 19
From: West Chester, PA - USA
2003 SL55 AMG
I changed the differential oil in my car last winter - using specified MB oil, a specific Castrol product. The old oil was quite dark, and smelled a little. Did all the rest of the fluids from the Supercharger tot the diff, including ABC, trans, brake fluid and coolant. Car has 50K on it, so I'm quite comfortable with only engine oil and filter for a while.
Super Member
Joined: Jul 2014
Posts: 992
Likes: 245
From: Tucson, AZ
'20 X5 M50i; '17 Ram 3500; Golf Cart; Bikes; Scooters
Preventive maintenance
What else should you do?
Check the motor mounts; the suspension bushings; replace the Park lock in the shifter with metal; bleed the brakes; change the diff fluid; fuel filter wouldn't hurt. Probably more I forgot to add...
Check the motor mounts; the suspension bushings; replace the Park lock in the shifter with metal; bleed the brakes; change the diff fluid; fuel filter wouldn't hurt. Probably more I forgot to add...
Thread Starter
Senior Member
Joined: Nov 2006
Posts: 376
Likes: 12
From: Atlanta, GA
SL550 Designo Crystal & Red Interior - SL55 Silver & Black Interior - E550
Motor mounts are good, replaced by the PO. I had the rotors and pads replaced and flushed the fluid at the same time a couple months ago.
I guess the diff and fuel filter can be done the same time I have the supercharger done. Oh, I need to get the radiator flushed too. I think that should take care of all the fluids. Haven't really thought about the park lock. Do you think that's a necessity?
I guess the diff and fuel filter can be done the same time I have the supercharger done. Oh, I need to get the radiator flushed too. I think that should take care of all the fluids. Haven't really thought about the park lock. Do you think that's a necessity?
Super Member
Joined: Jul 2014
Posts: 992
Likes: 245
From: Tucson, AZ
'20 X5 M50i; '17 Ram 3500; Golf Cart; Bikes; Scooters
For less than $100 for DIY, it gave me peace of mind it would not happen.
Given the number of threads on that issue, and the reliability factor, yes it was a necessity for me.
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Super Member
Joined: Jul 2010
Posts: 955
Likes: 127
From: Kansas
2003 E55, 2003 SL55, 2014 CLS63, 2018 q50 Redsport, 1968 Camaro SS, 1999 Trans am Firehawk
coolant is 15 year/150,000k, so you don't need to do that yet. Here is an excellent article on the topic
http://www.mbca.org/sites/default/fi...reedec04_0.pdf
Another maintenance thing that is going to come up is replacing the accumulators in the ABC system.
http://www.mbca.org/sites/default/fi...reedec04_0.pdf
Another maintenance thing that is going to come up is replacing the accumulators in the ABC system.
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