Engine Break In rules
01-18-2019, 08:56 PM
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CLS 450 4Matic
Engine Break In rules
Hello everyone. Just picked up my CLS450 4matic and the owners manual has no engine break in rules? Am i missing something or is the new M256 engine so good?
here is a picture of my spec. Ruby black, brown interior, deleted amg exterior package
here is a picture of my spec. Ruby black, brown interior, deleted amg exterior package
01-18-2019, 10:55 PM
#2
no downshifts
no full throttle
no higher than 4500 rpm
no higher than 80 mph
im at 780 miles and can’t wait to stomp the throttle
01-18-2019, 11:33 PM
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CLS 450 4Matic
Thank you for the reply. AMG are always finnicky about their break in period. I will follow that guid for now considering that the 53 and the 450 have the same engine. I was surprised i had zero mention in my manual.
01-19-2019, 05:25 PM
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C300>GLA45>E43>CLS53
Yes. AMG models have that. Non-AMG models don't require a break in routine. Of course, your welcome to follow those guidelines as a safety measure.
I believe the AMG models go through more stress and load on the engine and transmission, so its only normal to have the break-in period in place. After all, it's the same engine as your 450, just that it/s up-tuned and added the extra electric compressor between the engine/transmission.
I believe the AMG models go through more stress and load on the engine and transmission, so its only normal to have the break-in period in place. After all, it's the same engine as your 450, just that it/s up-tuned and added the extra electric compressor between the engine/transmission.
Last edited by jackyff8; 01-19-2019 at 05:31 PM.
01-20-2019, 07:06 AM
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CLS 450 4Matic
Yes. AMG models have that. Non-AMG models don't require a break in routine. Of course, your welcome to follow those guidelines as a safety measure.
I believe the AMG models go through more stress and load on the engine and transmission, so its only normal to have the break-in period in place. After all, it's the same engine as your 450, just that it/s up-tuned and added the extra electric compressor between the engine/transmission.
I believe the AMG models go through more stress and load on the engine and transmission, so its only normal to have the break-in period in place. After all, it's the same engine as your 450, just that it/s up-tuned and added the extra electric compressor between the engine/transmission.
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