(Ab-)normal 2001 e320 oil consumption

My '95 E320 with 135K miles does not burn any oil between changes (every

3,500 or so miles). My '99 E320 doesn't burn any (or very little) between its 10K mile oil changes.

Josh

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Manufacturers used to say 1 qt of oil per 1,000 miles is "normal", the bar seems to have fallen to 700 miles! A service writer will TELL you anything hoping that you'll go away. Ignore them.

Some thoughts: The harder one drives a car the more oil its engine will consume. If there's no external leak I'd suspect the valve stem guides. An engine that wasn't reasonably "broken in" will subsequently use oil. An engine that was badly overheated will use oil thereafter - its piston rings having lost their temper. I agree that this engine shouldn't consume much oil at 40K miles and suggest you contact the M-B Zone Manager about the condition, if only to go on record now, to start an inevitably long negotiation over the terms of the extended warranty.

Valve stem seals can be replaced without a major engine dissection but an improper break in or an overheated engine require a total tear down. No one will do that; they'll give you another car, IMHO.

My carefully broken in '97 E320 (with different engine) that's lightly driven hasn't required ANY oil additions; it has now done 38K miles.

BTW, have you asked to see the service records on the car? Also, what type of car/engine did you get? I wonder if this car suffered from the "hand grenade" harmonic balancer and overheated in the process.

Josh

A quart per 2K miles is not typical, but it's not all that bad either. As TG pointed out, the std for most auto manufacturers has been a quart per 1K miles is within the acceptable range. Unless there is visible oil leakage, there really isn't anything you can do, nor would I get too upset about it.

More than likely, when the car was first purchased and serviced, dino oil was used instead of synthetic. This caused sludging and later on, scored walls. Because of the

12K-14K service interval, dino oil did not hold up. This problem affected 98-2001 cars before MB finally said NOT to use dino oil at all. It is addressed in the O'keefe class-action suit.

BUT to get any help at all, your car HAS to use more than 1 qt in 700 miles. AND it has to have a delivery date BEFORE March 2001.

The S.I. is 18.00/20 dated Dec 5, 2003.

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Once again Karl hits the crux of the issue.

Here's the reference:

As far as I know, this ONLY covers cars sold in the US.

And if anyone wants a copy of the S.I. p-mail me.

IF you have a 98-01 car sold before March 01 AND it uses MORE than 1 qt of oil in 700 mile or less AND the walls are scored, MB will give you a new long block. If the walls are NOT scored, MB will replace the rings.

BUT the key is 1 qt in 700 miles. 1 qt in 1000 miles is not going to get you squat.

What's a good way to break in today's cars? Long casual drive or in the city?

cp

Only the AMG cars/engines have a written break-in procedure. MB cars and light trucks do not.

So how do you break an unbroken car?

light trucks do not.

You drive it like you are going to drive it for the next 100K miles!

light trucks do not.

Take it easy for the first 1500 km/900 miles. Keep changing speed and gears but don't 'redline'. A long motorway drive at constant speed is not a good idea.

DAS

For direct contact replace nospam with schmetterling

Even if you want to bag it all its life? So there's no point in being smooth and easy for a 1000 miles or so?

cp

Yeh, I heard that, why is that so?

cp

I guess it doesn't 'work' the engine and gearbox.

DAS