Senior Member
@100k my tune up/preventative maintenance list:
valve cover gaskets
oil and oil filter change
transmission filter and fluid
pilot bushing
differential fluid
brake fluid
cabin filter
air filters
coolant
serpentine belts
idler pulley
spark plugs
spark plug wires
fuel filter
motor and transmission mounts
exhaust rubber hangers
crank position sensor
camshaft sensor
valve cover gaskets
oil and oil filter change
transmission filter and fluid
pilot bushing
differential fluid
brake fluid
cabin filter
air filters
coolant
serpentine belts
idler pulley
spark plugs
spark plug wires
fuel filter
motor and transmission mounts
exhaust rubber hangers
crank position sensor
camshaft sensor
Super Member
best way to determine is to take it to the dealer. they will go over it with a fine tooth comb. i think the cost to me was $150.
however I recall they recommended the following:
Brake system flush
Cooling system flush and thermostat
replace idler pulley and serpentine belt
replace air filters
replace plugs and wires
power steering flush
transmission service
engine mounts
transmission mount
oil and filter change
replace fuel filter
however I recall they recommended the following:
Brake system flush
Cooling system flush and thermostat
replace idler pulley and serpentine belt
replace air filters
replace plugs and wires
power steering flush
transmission service
engine mounts
transmission mount
oil and filter change
replace fuel filter
This may help. In addition to what others have said (transmission service, pulley check, etc.), I'd check the diff side seals.
Super Member
speaking of seals.....i hear the rear main seal is notorious for leaking on these engines.
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Quote:
MarcusF, with all the info you have and give, guess you could be a Forum by yourself Originally Posted by MarcusF
This may help. In addition to what others have said (transmission service, pulley check, etc.), I'd check the diff side seals.
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Marcusf is certainly the font of all Mercedes knowledge 


Mine has done 86k now my list is being picked off one by one
valve cover gaskets - needs doing (tiny weep started!)
oil and oil filter change - done
transmission filter and fluid - done
pilot bushing - er whats that???
differential fluid - done
brake fluid - need to check
cabin filter - done
air filters - done - K and N's in (don't tell me!!!)
coolant - done
serpentine belts - done
idler pulley - need to check
spark plugs - done
spark plug wires - needs doing - my tiny misfire is down to this (NOT the K&N's!!!)
fuel filter - done
motor and transmission mounts - done
exhaust rubber hangers - ok
crank position sensor - ok
camshaft sensor - ok
Drag link etc - done
Front wishbones or bushes - done
thermostat - ok
is that it??



Mine has done 86k now my list is being picked off one by one
valve cover gaskets - needs doing (tiny weep started!)
oil and oil filter change - done
transmission filter and fluid - done
pilot bushing - er whats that???
differential fluid - done
brake fluid - need to check
cabin filter - done
air filters - done - K and N's in (don't tell me!!!)
coolant - done
serpentine belts - done
idler pulley - need to check
spark plugs - done
spark plug wires - needs doing - my tiny misfire is down to this (NOT the K&N's!!!)
fuel filter - done
motor and transmission mounts - done
exhaust rubber hangers - ok
crank position sensor - ok
camshaft sensor - ok
Drag link etc - done
Front wishbones or bushes - done
thermostat - ok
is that it??
Senior Member
pilot bushing is part of the electrical connector on the side of the transmission, it's notorious for leaks and usually replaced when doing transmission filter/fluids.
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ExploreThanks for the complements, but I don't know so much. I'm just an MBCA guy who takes notes. That's where the true knowledge resides.
Like yesterday at the SFV meet, a guy named Scott with a 59 Ponton (190D) was parked next to an absolute mint '62 250 SE CAB, when in drives Scott with his four star 72 250 SE 3.5 coupe . . . . . . . . . . I'm sorry, what were we talking about again . . . . . . . . . . . . oh yeah . . . . . . . . if you haven't done so already, you might want to toss the OE steering damper. A new one is about $30 from Autohaus AZ.

Like yesterday at the SFV meet, a guy named Scott with a 59 Ponton (190D) was parked next to an absolute mint '62 250 SE CAB, when in drives Scott with his four star 72 250 SE 3.5 coupe . . . . . . . . . . I'm sorry, what were we talking about again . . . . . . . . . . . . oh yeah . . . . . . . . if you haven't done so already, you might want to toss the OE steering damper. A new one is about $30 from Autohaus AZ.

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Try the Magnecor KV85 wires 
Member
Quote:
I'll check that receipt from the main dealer who did the g/box oil/filter/sealOriginally Posted by slowsky
pilot bushing is part of the electrical connector on the side of the transmission, it's notorious for leaks and usually replaced when doing transmission filter/fluids.
I must admit I didn't check hoping they would do all necessary at that service - so really I should have checked they did it at that point
Slowsy - thanks - need to check that. If treated well these engines/cars should last for ever but good maintenance is essential
I've been reading about these Magnecor wires but can't find where to get them. Anyone got a link? Do I buy a roll of wire or do they sale 16 wires? Thanks guys!!
I think I found them. Has anyone tried these? Any pics? Do they come already made or do you have to put them together?
Part# 85240
Part# 85240
MBWorld Fanatic!
take care and use the proper tool when removing the wires to do the plugs you won't need new wires. Unless you torch them they will outlast the engine.
Mag wires are one of the biggest single causes of hard to track down misfire issues. Not worth the money.
All 4 o2 sensors are due.
If you need the factory 100k maint list PM me and I'll dig it up.
Mag wires are one of the biggest single causes of hard to track down misfire issues. Not worth the money.
All 4 o2 sensors are due.
If you need the factory 100k maint list PM me and I'll dig it up.
Senior Member
ohlord:
when you said all 4 o2 sensors needs to be replaced, why? i replaced the front two and the mech said since the rear o2 are downstream and less important, just wait to cel comes on. Is it better to replace the rear also before the cel?
when you said all 4 o2 sensors needs to be replaced, why? i replaced the front two and the mech said since the rear o2 are downstream and less important, just wait to cel comes on. Is it better to replace the rear also before the cel?
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If they do and slow to respond you lose mpg.
Some people wait on the post ones.Although while under there under 400 bucks for all 4 and diy them at the same time makes sense.
No anti seize on the spark plugs.
O2 approved anti seize on the o2 sensors.
Some people wait on the post ones.Although while under there under 400 bucks for all 4 and diy them at the same time makes sense.
No anti seize on the spark plugs.
O2 approved anti seize on the o2 sensors.
Senior Member
good advice...my gas mileage has been pretty low lately even though i replaced just about everything...
could it cause some minor vibration at idle in park or drive?
could it cause some minor vibration at idle in park or drive?
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if it was a misfire at idle it would toss a code. Check the motor mounts.
Senior Member
done twice, motor/transmission mounts
very slight vibration during idle or park...could just be old engine or fuel injector not spraying properly? i've tried techron 3x...
it was pretty bad at one point last year, replaced lazy front o2 sensors...helped a little...replaced crank position sensor and it helped alot...
it's just not as smooth as couple years ago during idle or park...
very slight vibration during idle or park...could just be old engine or fuel injector not spraying properly? i've tried techron 3x...
it was pretty bad at one point last year, replaced lazy front o2 sensors...helped a little...replaced crank position sensor and it helped alot...
it's just not as smooth as couple years ago during idle or park...
Senior Member
New fuel injectors makes a big difference. I had mine change and it sure does idle smoother.
Where can i get motor mounts and a transmission mount? Any good recommened place/website link?
Thanks!!!
Thanks!!!
Did someone say they wanted links? 
The Los Angeles section of the Mercedes-Benz Club of America has a preferred vendors section, with an Internet sub-section. Pelican, Autohaus, Performance Products (new owner), Rock and others are all listed there. That's a good place to look if you can't remember where something is. In direct answer to your question, Autohaus AZ is a good vendor. Alternatively, factory part number 2202400617 (AKA the W209 mount - other posters have used it on V8 W208s) is allegedly an updated, stronger design. 2202400617 costs about twice as much as the OEM W208 part from Autohaus. Since the W209 part also works with the S600 (V12) & CLK63, it probably is much stronger. Dealer list price is $155, but MB of Annapolis (who is a dealer) sells via the web for $115.
The trans mount is less than $20 at Autohaus. Pelican didn't list prices, so I can't say whether they have a good deal or not.

The Los Angeles section of the Mercedes-Benz Club of America has a preferred vendors section, with an Internet sub-section. Pelican, Autohaus, Performance Products (new owner), Rock and others are all listed there. That's a good place to look if you can't remember where something is. In direct answer to your question, Autohaus AZ is a good vendor. Alternatively, factory part number 2202400617 (AKA the W209 mount - other posters have used it on V8 W208s) is allegedly an updated, stronger design. 2202400617 costs about twice as much as the OEM W208 part from Autohaus. Since the W209 part also works with the S600 (V12) & CLK63, it probably is much stronger. Dealer list price is $155, but MB of Annapolis (who is a dealer) sells via the web for $115.
The trans mount is less than $20 at Autohaus. Pelican didn't list prices, so I can't say whether they have a good deal or not.
MarcusF, are you sure that the W209 motor mount (2202400617) is a direct fit/improvement for the W208? Im in the market now for some mounts. I have started the 100k miles list for my car. Heres my tune up list:
Valve Cover
Valve Cover
Quote:

The Los Angeles section of the Mercedes-Benz Club of America has a preferred vendors section, with an Internet sub-section. Pelican, Autohaus, Performance Products (new owner), Rock and others are all listed there. That's a good place to look if you can't remember where something is. In direct answer to your question, Autohaus AZ is a good vendor. Alternatively, factory part number 2202400617 (AKA the W209 mount - other posters have used it on V8 W208s) is allegedly an updated, stronger design. 2202400617 costs about twice as much as the OEM W208 part from Autohaus. Since the W209 part also works with the S600 (V12) & CLK63, it probably is much stronger. Dealer list price is $155, but MB of Annapolis (who is a dealer) sells via the web for $115.
The trans mount is less than $20 at Autohaus. Pelican didn't list prices, so I can't say whether they have a good deal or not.
Me "sure"? No. All I can personally say is other posters "claim" to have used them, and they are allegedly updated and stronger. For a first hand report, you'll have to search threads and track down posters who have used them. My 208 mounts were replaced with 208 mounts when they wore out.Originally Posted by MarcusF
Did someone say they wanted links? 
The Los Angeles section of the Mercedes-Benz Club of America has a preferred vendors section, with an Internet sub-section. Pelican, Autohaus, Performance Products (new owner), Rock and others are all listed there. That's a good place to look if you can't remember where something is. In direct answer to your question, Autohaus AZ is a good vendor. Alternatively, factory part number 2202400617 (AKA the W209 mount - other posters have used it on V8 W208s) is allegedly an updated, stronger design. 2202400617 costs about twice as much as the OEM W208 part from Autohaus. Since the W209 part also works with the S600 (V12) & CLK63, it probably is much stronger. Dealer list price is $155, but MB of Annapolis (who is a dealer) sells via the web for $115.
The trans mount is less than $20 at Autohaus. Pelican didn't list prices, so I can't say whether they have a good deal or not.






